Author: Staff @CD

Maintaining consistency is one of the biggest issues faced by IAS Aspirants. Streak’s initiative is to help Aspirants in their day-to-day preparation. You can follow the monthly, weekly, and daily timetables and continue this streak until you find yourself on the final list.

Please register for Streak Initiative (free) through this link:- https://www.civilsdaily.com/course/streak-daily-initiative/

You will get following study material:-

1. Questions (PDF).
2. RSTV/Yojana monthly notes (PDF).
3. Burning issue (PDF).
4. Subject specific (PDF).
5. Mentor’s phone call for support & encouragement.

_____________________________________________

UPSC PRELIMS-2021 || Current Affairs Based Most Probable Questions on Polity || by Sukanya Rana

Q1) Consider following statements with respect Collegium System in Judicial Appointments

1. A Supreme Court collegium is led by its Chief Justice and four other senior most judges of that court.
2. Names recommended for appointment by a High Court collegium reaches the government only after approval by the CJI and the Supreme Court collegium.
3. Government cannot raise any objections and seek no clarifications regarding the Collegium’s choices.

Which of the statement(s) given above is/are correct?

A. 1 and 2 only

B. 1 and 3 only

C. 2 and 3 only

D. 1, 2 and 3

Q2) Which of the following statement(s) is/are correct with respect to Rohini Commission

1. It was established to work out the mechanism in a scientific approach for sub-categorisation within OBCs.
2. It recommended 33% reservation in jobs and education under the central and state government for OBCs.

Select the correct answer using the codes given below:

A. 1 only

B. 2 only

C. Both 1 and 2

D. Neither 1 nor 2

Q3) Consider the following statements with respect to DNA Technology Bill

1. Under the Bill, DNA testing is allowed only in respect of matters listed in the Schedule to the Bill.
2. The Bill provides for the establishment of a National DNA Data Bank and Regional DNA Data Banks, for every state, or two or more states.

Which of the statement(s) given above is/are correct?

A. 1 only

B. 2 only

C. Both 1 and 2

D. Neither 1 nor 2

Q4) Which of the following statements are incorrect with respect to Registered Unrecognised Political Parties

1. These are political parties which have contested at least in one Assembly or General Elections since being registered.
2. These Parties do not enjoy all the benefits extended to the recognised parties.

Select the correct answer using the codes given below:

A. 1 only

B. 2 only

C. Both 1 and 2

D. Neither 1 nor 2

Q5) Consider the following statements with respect to Central Administrative Tribunal (CAT)

1. It exercises original jurisdiction in relation to recruitment and all service matters of all-India services, the Central civil services, civil posts under the Centre and members of the defence forces.
2. The appeals against the orders of the CAT could be made only in the Supreme Court and not in high courts.

Which of the statement(s) given above is/are incorrect?

A. 1 only

B. 2 only

C. Both 1 and 2

D. Neither 1 nor 2

UPSC PRELIMS-2021 || Most Probable Questions on Environment and Ecology || by Santosh Gupta

Q1) Which of the following are related to Ozone depletion?

1. Montreal Protocol
2. Kyoto Protocol
3. Vienna Convention
4. Kigali agreement

Which of the above statements are true?

A. 1, 2 and 3 only

B. 2, 3 and 4

C. 1, 3 and 4 only

D. All of them

Q2)  How does the National Biodiversity Authority (NBA) help in protecting Indian agriculture? 

1. NBA checks the biopiracy and protects the indigenous and traditional genetic resources. 

2. NBA directly monitors and supervises the scientific research on genetic modification of crop plants. 

3. Application for intellectual Property Rights related to genetic resources cannot be made without the approval of NBA.

4.  NBA was set up under obligation for Convention on biological diversity 

Which of the above statements are true?

A. 1 and 2 only

B. 2 and 3 only

C. 1,3 and 4

D. all of them 

Q3) Which of the following is related to protection of biodiversity?

1. Convention of biological diversity

2. Nagoya protocol

3. Aichi targets

4. Minamata convention

5. UNESCO world heritage convention

Which of the above statements are true? 

A. 1, 2 and 3 only

B. 2, 3 and 4 ony

C All of them

D. 1, 2, 3 and 5

Q4)  Consider the following regarding outcomes of Rio earth summit, 1992

1. Agenda 21
2. Convention on biological diversity
3. UNFCCC
4. Foundation of IPCC
5. Global Environment Facility (GEF)

Which of the above statements are true?

A. 1, 2 and 3 

B. 2, 3 and 4 only

C. 1, 2, 3 and 5 only

D. All of them

Q5)  Which of the following  are true about the aims of the Basel Convention? 

1. The reduction of all hazardous waste generation 

2. The restriction of trans-boundary movements of hazardous wastes including radioactive waste. 

3. Creating a Regulatory system for trans boundary movement 

4.  Promote information sharing through prior informed consent

Which of the above statements are true?

A. 1 and 2 only

B. 2 and 3 only

C. 1 ,2 and 4 only

D. 1, 3 and 4 only

Maintaining consistency is one of the biggest issues faced by IAS Aspirants. Streak’s initiative is to help Aspirants in their day-to-day preparation. You can follow the monthly, weekly, and daily timetables and continue this streak until you find yourself on the final list.

Please register for Streak Initiative (free) through this link:- https://www.civilsdaily.com/course/streak-daily-initiative/

You will get following study material:-

1. Questions (PDF).
2. RSTV/Yojana monthly notes (PDF).
3. Burning issue (PDF).
4. Subject specific (PDF).
5. Mentor’s phone call for support & encouragement.

_____________________________________________

UPSC PRELIMS-2021 || Current Affairs Based Most Probable Questions – by Sukanya Rana

Q1) By their percentage contribution to the greenhouse effect on Earth:

a) water vapour>co2>ch4>o3

b) co2>water vapour>ch4>o3

c) co2>ch4> o3>water vapour

d) water vapour>co2>o3>ch4

Q2) Which of the following is a disadvantage of renewable energy?

a) High pollution

b) Available only in few places

c) High running cost

d) Unreliable supply

Q3) Consider the following statements with respect to International Nitrogen Initiative (INI) 

1. It was set up in 2003 under UNESCO’s International Geosphere Biosphere Program (IGBP). 

2. INI conferences will be held every three years on different continents. 

3. INI 2021 is being hosted by India’s Ministry of Environment, Forests and Climate Change. 

Which of the statement(s) given above is/are correct? 

a) 2 only 

b) 1 and 3 only 

c) 2 and 3 only 

d) 1, 2 and 3

Q4) Koyna Wildlife Sanctuary is situated in which of the following states? 

a) Telangana 

b) Andhra Pradesh 

c) Maharashtra 

d) Jharkhand

Consider the following statements: 

1. It is surrounded by the Phipsoo Wildlife Sanctuary to its north, the Buxa Tiger Reserve to its west and the Manas National Park to its east.

2. The National Park, which has 11 different forest types and subtypes, is home to the golden langur, elephant, tiger, clouded leopard and Indian gaur. 

Q5) Identify the National Park using the description given above: 

a) Rajbari National Park 

b) Mouling National Park 

c) Raimona National Park 

d) Saddle Peak National Park

UPSC PRELIMS-2021 || Most Probable Questions on Environment & Ecology for UPSC Prelims 2021 – by Santosh Gupta

Q1) Consider the following statements in context to Indian pangolin. 

1. They are critically endangered. 

2. The Indian pangolin is found in India and Pakistan only. 

3. They are protected under Appendix I of the Convention on International Trade in Endangered Species (CITES). 

Select the correct code from the codes given below.

a) 1 and 2 only

b) 2 and 3 only

c) 3 only

d) All of them

Q2) Select the correct statement/s in context to Fresh water crocodiles

1. India has two species of freshwater crocodiles 

2. It prefers fast moving water. 

3. Now it is only found in Chambal river sanctuary

Which of the above statements are true?

a) 1 and 2 only

b) 2 and 3 only

c) 1 only

d) All of them

Q3) With reference to sea cows. i. e., ‘dugong’, a mammal found in India, which of the following statements is/are correct?

1. It is a herbivore feeding on seagrass

2. These mammals are found only in warm

coastal waters of the Indian Ocean.

3. It is listed as endangered  in the IUCN

Red List.

Select the correct answer using the code

given below.

a) 1 and 2 only

b) 1 and 3 only

c) 1 only

d) 1, 2 and 3

Q4) Identify the correct statement/s in context to Hoolock Gibbons. 

1. Hoolock Gibbons are the only species of apes found in India. 

2. They can live in high temperature conditions. 

3. It is found in the Southern part of India.

Which of the above statements are true?

a) 1 and 2 only

b) 2 and 3 only

c) 1 only

d) All of them 

Q5) Which of the following species is/are now

extinct in the wild in India?

1. Indian Cheetah

2. Pink-headed duck

3. Dodo bird

4. Siberian crane

Select the correct answer using the code

given below.

a) 1 and 3 only

b) 1 and 2 only

c) 2, 3  and 4 only

d) 1, 2 and 3

Daily Dose: Complete Snapshots of Everyday News – by Shweta Mishra

Maintaining consistency is one of the biggest issues faced by IAS Aspirants. Streak’s initiative is to help Aspirants in their day-to-day preparation. You can follow the monthly, weekly, and daily timetables and continue this streak until you find yourself on the final list.

Please register for Streak Initiative (free) through this link:- https://www.civilsdaily.com/course/streak-daily-initiative/

You will get following study material:-

1. Questions (PDF).
2. RSTV/Yojana monthly notes (PDF).
3. Burning issue (PDF).
4. Subject specific (PDF).
5. Mentor’s phone call for support & encouragement.

_____________________________________________

UPSC Daily Study Plan For 2021 and 2022 || STREAK – by Ravi Ranjan

CSAT for UPSC Prelims || Free CSAT Sessions by Civilsdaily – by Ravi Ranjan

UPSC PRELIMS-2021 || Current Affairs Based Most Probable Questions – by Sukanya Rana

Q1) Which of the following can cause DNA damage and mutations in humans?

a. Absorption of UV – A and UV – B

b. Absorption of UV – B

c. Absorption of UV – A

d. Absorption of UV – A and UV – C

Q2) Consider the following statements:

1. The objective of the Minamata Convention is to protect human health and the environment from anthropogenic emissions and releases of mercury and mercury compounds.
2. The treaty also addresses the direct mining of mercury, its export and import, its safe storage and its disposal once as waste.
3. Dental fillings which use amalgam are also regulated under the convention.

Select the correct option:

a. 1 only

b. 1 and 2

c. 1 and 3

d. 1, 2 and 3

Q3) Consider the following statements about ozone hole over Arctic 

1. It has reached a maximum extension of around 1 million sq km. 
2. Recently, the German Aerospace Centre observed the closure of ozone holes mainly because of the reduced pollution levels due to covid-19 lockdown. 

Which of the above statement(s) given above is/are correct? 

a. 1 only 

b. 2 only 

c. Both 1 and 2 

d. Neither 1 nor 2

Q4) Consider the following statements with respect to Deepor Beel Lake 

1. It is a permanent freshwater lake, in a former channel of the Brahmaputra River. 
2. It is the only wetland in Assam designated as a site of importance under Ramsar Convention on Wetlands. 

Which of the statement(s) given above is/are correct? 

a. 1 only 

b. 2 only 

c. Both 1 and 2 

d. Neither 1 nor 2

Q5) Consider the following statements with respect to Galathea National Park 

1. It is located on the island of Great Nicobar in the Andaman & Nicobar Islands.
2. It is an iconic nesting site in India of the enigmatic Giant Leatherback, the world’s largest marine turtle. 
3. The park is home to the indigenous Shompen community. 

Which of the statements given above are correct? 

a. 1 and 2 only 

b. 1 and 3 only 

c. 2 and 3 only 

d. 1, 2 and 3

UPSC PRELIMS-2021 || Most Probable Questions on Environment & Ecology – by Santosh Gupta

Q1) Which of the following are regarded as ‘Ecosystem services’?

1. Soil formation
2. Nutrient cycling
3. Habitat for wildlife
4. Climate regulation
5. Tourism 

Select the correct answer using the code

given below.

a. 1 and 2 only

b. 3, 4 and 5only

c. 1, 2 and 3 only

d. All of them

Q2) Which of the following is/are the causes of coral bleaching in India?

1. Excessive sedimentation in the reef
2. ecosystem
3. Excess nutrients like ammonia and
4. nitrates entering the reef system
5. Increased exposure to Ultraviolet (UV)
6. Radiation
7. Repeated EL- Nino and La- Nina

Select the correct answer using the code given below.

a. 1 and 3 only

b. 1, 2 and 3 only

c. 2 and 4 only

d. All of them 

Q3) Which of the following contribute in the Cultural eutrophication?

1. Excessive use of fertilisers
2. Untreated sewage
3. Detergents containing phosphorus
4. Discharge of industrial waste
5. Acid rain 

Select the correct answer using the code given below.

a. 2, 3 and 4 only

b. 1, 2 and 4 only

c. 1 and 3 only

d. All of them 

Q4) Which of the following is/are the reasons for ozone depletion by polar stratospheric clouds?

1. They convert free radicals of halogens to oxide which then reacts with ozone causing its depletion. 
2. They remove gaseous nitric acid which reacts with oxides of halogens. 

Select the correct answer using the code given below.

a. 1 only

b. 2 only

c. 1 and 2 

d. None of them

Q5) Consider the following statements

1. The acidified ocean water leads to reduction of sulphur which may lead to decreased cloud formation and raising global temperatures. 
2. Ocean acidification occurs through the uptake of carbon dioxide (CO2) from the atmosphere only

Which of the statement(s) given above is/are correct?

a. 1 only

b. 2 only

c. 1 and 2 

d. None of them

Daily Dose: Complete Snapshots of Everyday News – by Shweta Mishra

Maintaining consistency is one of the biggest issues faced by IAS Aspirants. Streak’s initiative is to help Aspirants in their day-to-day preparation. You can follow the monthly, weekly, and daily timetables and continue this streak until you find yourself on the final list.

Please register for Streak Initiative (free) through this link:- https://www.civilsdaily.com/course/streak-daily-initiative/

You will get following study material:-

1. Questions (PDF).
2. RSTV/Yojana monthly notes (PDF).
3. Burning issue (PDF).
4. Subject specific (PDF).
5. Mentor’s phone call for support & encouragement.

_____________________________________________

UPSC Daily Study Plan For 2021 and 2022 || STREAK – by Ravi Ranjan

UPSC PRELIMS-2021 || Current Affairs Based Most Probable Questions – by Sukanya Rana

Q1) Consider the following statements:

1. Tropical forests have poor soils.
2. Undergrowth in tropical forests is abundant.

Select the correct option:

A. 1 only

B. 2 only

C. 1 and 2

D. None

Q2) Which of the following is known as crustaceans?

1. Jellyfish
2. Crabs
3. sea anemone
4. Krill

Select the correct option:

A. 1, 3, 4

B. 1, 2, 3

C. 2 and 4

D. 3 and 4

Q3) Stockholm+50 is a high level meeting that will primarily focus on which of the following areas? 

A. Arms control and disarmament. 

B. Counter Terrorism and Cyber Security 

C. Wildlife Conservation 

D. Environmental Conservation

Q4) Consider the following statements with respect to Biological Diversity Act, 2002

1. According to the act only the central government can notify a location as Biodiversity Heritage Site (BHS) in the official gazette. 
2. The State Government in consultation with the Central Government may frame rules for the management and conservation of BHS. 

Which of the statement(s) given above is/are correct? 

A. 1 only 

B. 2 only 

C. Both 1 and 2 

D. Neither 1 nor 2

Q5) Which of the following statements are correct with respect to Indian Rhino Vision (IRV) 2020? 

1. It was designed by the Rhino Task Force with a target to achieve a rhino population of 3,000. 
2. Worldwide Fund for Nature India (WWF-India) and Bodoland Territorial Council are part of this initiative. 

Select the correct answer using the codes given below: 

A. 1 only 

B. 2 only 

C. Both 1 and 2 

D. Neither 1 nor 2

UPSC PRELIMS-2021 || Most Probable Questions on Environment & Ecology – by Santosh Gupta

Q1) Identify the correct statement/s in context to the arctic tundra. 

1. The plants in the arctic tundra have a long life. 
2. Mammals here have small body size to avoid the loss of heat from the surface. 
3. Insects in this region have short life cycles.
4. All mammals go into hibernation in winter to avoid cold

Which of the above statements are true?

A. 1, 2 and4

B. 1, 2 and 3 

C. 1 and 3 only

D. All of them 

Q2) Which of the following statement/s is/are correct with respect to boreal forest? 

1. It is characterized by evergreen plant species. 
2. These forests are found in regions with high rainfall, long summers and short winters. 
3. The soils found here are alkaline in nature.

Which of the above statements is/are true?

A. 1 and 2 

B. 2 and 3

C. 1 only

D. All of them

Q3. Identify the correct statement/s in context to estuaries. 

1. They are located where the river meets the sea. 
2. They act as a shelter for animals. 
3. Estuaries are Ecotone

Which of the above statements are true?

A. 1 and 2 

B. 2 and 3

C. 1 only

D. All of them

Q4) Consider the following statements in context to coral reefs. 

1. They occur near the source of freshwater, which is nutrient rich. 
2. The corals are very fast growing colonies of animals. 
3. They are referred to as ‘the Tropical Rainforests of the Oceans’. 

Select the correct code from the codes given below.

Which of the above statements are true?

A. 1 and 2 

B. 2 and 3

C. 1  and 3 only

D. All of them

Q5) Consider the following statements about sea weeds and sea grasses

1. Sea grasses  are specialised marine flowering plants , while Seaweeds are a type of macroalgae
2. While sea grasses are attached to the bottom, sea weeds are floating on the surface. 
3. Both are source of carbon sink

Which of the above statements are true?

A. 1 and 2 only

B. 2 and 3 only

C. 1 and 3 only

D. All of them

Maintaining consistency is one of the biggest issues faced by IAS Aspirants. Streak’s initiative is to help Aspirants in their day-to-day preparation. You can follow the monthly, weekly, and daily timetables and continue this streak until you find yourself on the final list.

Please register for Streak Initiative (free) through this link:- https://www.civilsdaily.com/course/streak-daily-initiative/

You will get following study material:-

1. Questions (PDF).
2. RSTV/Yojana monthly notes (PDF).
3. Burning issue (PDF).
4. Subject specific (PDF).
5. Mentor’s phone call for support & encouragement.

_____________________________________________

UPSC Daily Study Plan For 2021 and 2022 || STREAK – by Ravi Ranjan

UPSC PRELIMS-2021 || Current Affairs Most Probable Questions – by Sukanya Rana

Q1) Nitrogen fixation is done naturally by

1. Azotobacter and anaerobic clostridium
2. Rhizobium
3. Anabaena and spirulina
4. lightning 

Pick the correct option:

A. 1 and 2

B. 1, 2 and 3

C. 2 and 4 only

D. 1, 2, 3 and 4

Q2) Consider the following statements:

1. A. Boreal Forest is a biome characterized by coniferous forests consisting mostly of pines, spruces, and larches.
2. B. The taiga is the world’s largest land biome.
3. C. Soils in boreal forests are usually fertile due to high decomposition activity.
4. D. The productivity and community stability of boreal forest is low.

Select the correct option:

A. 1, 2, 3

B. 1, 2, 4

C. 1, 3, 4

D. 2, 3, 4

Q3) Consider the following statements with respect to Marine Spatial Planning (MSP) 

1. It is globally identified as a tool for sustainable and integrated ocean management. 
2. It will be implemented by the Ministry of Earth Sciences (MoES) through National Centre for Coastal Research (NCCR) for India. 
3. In its primary phase, India will conduct marine spatial planning in Lakshadweep and Puducherry in cooperation with Russia. 

Which of the statements given above are correct? 

A. 1 and 2 only 

B. 1 and 3 only 

C. 2 and 3 only 

D. 1, 2 and 3

Q4) Consider the following statements with respect to Platypus

1. It is one of the five species of monotremes, the only mammals that lay eggs instead of giving birth to young ones. 
2. It is endemic to South America, including Costa Rica , where it is classified as an vulnerable species 

Which of the statement(s) given above is/are incorrect? 

A. 1 only 

B. 2 only 

C. Both 1 and 2 

D. Neither 1 nor 2

Q5) Consider the following statements with respect to Diatom Test 

1. Diatoms are photosynthesizing algae which are found almost anywhere moist. 
2. It is used to confirm the cause of death by drowning. 
3. The test is considered positive only when the number of diatoms recovered from the body is more than a minimal established limit. 

Which of the statement(s) given above is/are correct? 

A. 1 only 

B. 1 and 2 only 

C. 2 and 3 only 

D. 1, 2 and 3

UPSC PRELIMS-2021 || Most Probable Questions on Environment & Ecology – by Santosh Gupta

Q1) Identify the correct statement/s in context to the arctic tundra. 

1. The plants in the arctic tundra have a long life. 
2. Mammals here have small body size to avoid the loss of heat from the surface. 
3. Insects in this region have short life cycles.
4. All mammals go into hibernation in winter to avoid cold

Which of the above statements are true?

A. 1, 2 and4

B. 1, 2 and 3 

C. 1 and 3 only

D. All of them 

Q2) Which of the following statement/s is/are correct with respect to boreal forest? 

1. It is characterized by evergreen plant species. 
2. These forests are found in regions with high rainfall, long summers and short winters. 
3. The soils found here are alkaline in nature.

Which of the above statements is/are true?

A. 1 and 2 

B. 2 and 3

C. 1 only

D. All of them

Q3. Identify the correct statement/s in context to estuaries. 

1. They are located where the river meets the sea. 
2. They act as a shelter for animals. 
3. Estuaries are Ecotone

Which of the above statements are true?

A. 1 and 2 

B. 2 and 3

C. 1 only

D. All of them

Q4) Consider the following statements in context to coral reefs. 

1. They occur near the source of freshwater, which is nutrient rich. 
2. The corals are very fast growing colonies of animals. 
3. They are referred to as ‘the Tropical Rainforests of the Oceans’. 

Select the correct code from the codes given below.

Which of the above statements are true?

A. 1 and 2 

B. 2 and 3

C. 1  and 3 only

D. All of them

Q5) Consider the following statements about sea weeds and sea grasses

1. Sea grasses  are specialised marine flowering plants , while Seaweeds are a type of macroalgae
2. While sea grasses are attached to the bottom, sea weeds are floating on the surface. 
3. Both are source of carbon sink

Which of the above statements are true?

A. 1 and 2 only

B. 2 and 3 only

C. 1 and 3 only

D. All of them

Daily Dose: Complete Snapshots of Everyday News – by Shweta Mishra

Maintaining consistency is one of the biggest issues faced by IAS Aspirants. Streak’s initiative is to help Aspirants in their day-to-day preparation. You can follow the monthly, weekly, and daily timetables and continue this streak until you find yourself on the final list.

Please register for Streak Initiative (free) through this link:- https://www.civilsdaily.com/course/streak-daily-initiative/

You will get following study material:-

1. Questions (PDF).
2. RSTV/Yojana monthly notes (PDF).
3. Burning issue (PDF).
4. Subject specific (PDF).
5. Mentor’s phone call for support & encouragement.

_____________________________________________

UPSC Daily Study Plan For 2021 and 2022 || STREAK – by Ravi Ranjan

UPSC PRELIMS-2021 || Current Affairs Most Probable Questions – by Sukanya Rana

Q1) Consider the following statements:

1. Agaricus is a form of bacteria.
2. It represents saprotrophic type of association.

Select the correct option:

a) 1 only

b) 2 only

c) 1 and 2

d) None

Q2) Consider the following statements:

1. The first photosynthetic organisms in the evolutionary history of life used reducing agents such as hydrogen or hydrogen sulfide, rather than water, as sources of electrons in photosynthesis.
2. Cyanobacteria produced excess oxygen which contributed directly to the oxygenation of the Earth.

Identify incorrect statement in the following:

a) 1 only

b) 2 only

c) 1 and 2

d) None

Q3) Consider the following statements with respect to Centre for Wetland Conservation and Management (CWCM) 

1. It will be established as a part of the National Centre for Sustainable Coastal Management (NCSCM). 
2. India‟s first CWCM has been established in Kolkata. 

Which of the statement(s) given above is/are correct? 

a) 1 only 

b) 2 only 

c) Both 1 and 2 

d) Neither 1 nor 2

Q4) Consider the following statements about Pong Dam Wildlife Sanctuary 

1. It is located on the River Beas and in the State of Punjab. 

2. Bar Headed Geese is a flagship species in the sanctuary.

3. It is known for its flying capacity at extreme altitude i.e. heights of more than 7,000m. 

Which of the above statement(s) is/are correct? 

a) 1 and 2 only 

b) 2 and 3 only 

c) 1 and 3 only 

d) All of the above

Which of the following statements are incorrect with respect to Mandarin Duck 

1. It is a small-exotic bird native to East Asia. 

2. It is very rare to spot and is mentioned as critically endangered under IUCN Red list. 

Select the correct answer using the codes given below: 

a) 1 only 

b)2 only 

c) Both 1 and 2 

d) Neither 1 nor 2

UPSC PRELIMS-2021 || Most Probable Questions on Environment & Ecology – by Santosh Gupta

Q1) Consider the following statements:

  1. Ecology is study of relationship of organisms with each other and environment

  2. Ecosystems are larger units of organization based on structure and composition of vegetation

  3.  Biome is defined as a structural and functional unit of biosphere

  4.  Biosphere is the largest unit of ecological organisation.

Which of the above statements are correct?

a) 1&2 are correct

b) 2&3 are correct

c) 1&4 are correct

d) all of them are correct

Q2) Select the correct statement/s with regards to ecotone. 

1. It is a zone of transition. 

2. It is linear in nature

3. It is characterized by an edge effect.

4. Hot spots are a type of ecotone

Which of the above statements are true?

a) 1,2 and 3

b) 1, 2 and 4

c) 2, 3 and 4

d) All of them

Q3) Consider the following statements with respect to Ecological Niche:

1. Niche refers to functional characteristics of a species in its habitat
2. All the species in a habitat have same niche
3. The habitat plus the niche is called the ecotope
4. Niche follows competitive exclusion principle 

Which of the above statement(s) is/are true?

a) 1 & 2 are correct

b) 1 & 3 are correct

c) 1, 3 & 4 are correct

d) only 4 is correct

Q4) Which of the following is/are the characteristics of the ecological pyramid?

1. Ecological pyramid are of two types- Food and energy pyramids 

2. Species are accounted for at multiple trophic levels taking account of all the roles it plays. 

3. While food chain represents complex interactions, food web shows the linear interaction

4. Saprophytes play a key role in ecological pyramid 

Choose the correct option based on the above statements:

a) 1&2 are correct

b) 1,2 &4 are correct

c)  only 4 are correct

d) all of them are correct

Q5) Select the correct statement/s from the set of statements given below. 

1. Succession is a universal process of bidirectional change in vegetation. 

2. Succession brought about by outside forces is known as allogenic succession. 

3. The final stage of succession is called the climax community. 

Which of above statements are true?

a) 1 and 2 only

b) 2 and 3 only

c) 1 and 3 only

d) All of them

Daily Dose: Complete Snapshots of Everyday News – by Shweta Mishra

Maintaining consistency is one of the biggest issues faced by IAS Aspirants. Streak’s initiative is to help Aspirants in their day-to-day preparation. You can follow the monthly, weekly, and daily timetables and continue this streak until you find yourself on the final list.

Please register for Streak Initiative (free) through this link:- https://www.civilsdaily.com/course/streak-daily-initiative/

You will get following study material:-

1. Questions (PDF).
2. RSTV/Yojana monthly notes (PDF).
3. Burning issue (PDF).
4. Subject specific (PDF).
5. Mentor’s phone call for support & encouragement.

_____________________________________________

UPSC Daily Study Plan For 2021 and 2022 || STREAK – by Ravi Ranjan

CSAT for UPSC Prelims || Free CSAT Sessions by Civilsdaily – by Ravi Ranjan

UPSC PRELIMS-2021 || Current Affairs Based Most Probable Questions – by Sukanya Rana

Q1) Which of the following statement(s) is/are correct with respect to Arctic Amplification.

1. The phenomenon highlights that over the past 30 years, the Arctic has warmed at roughly twice the rate as the entire globe.
2. Iodic acid (HIO3) is one of the aerosol particles responsible for Arctic Amplification or Arctic Warming.

Select the correct answer using the codes given below:

A. 1 only

B. 2 only

C. Both 1 and 2

D. Neither 1 nor 2

Q2) Consider the following statements with respective to Vikas Engine.

1. It is a family of Solid-propellant rocket engines which will be used in the Aditya-L1 Mission.
2. It is used in both the Polar Satellite Launch Vehicle (PSLV) and the Geosynchronous Satellite Launch Vehicle (GSLV).

Which of the statement(s) given above is/are incorrect?

A. 1 only

B. 2 only

C. Both 1 and 2

D. Neither 1 nor 2

Q3) Consider the following statements with respect to Man Portable Antitank Guided Missile (MPATGM)

1. It is a low weight man portable missile which follows fire and forgets principle.
2. It has been developed indigenously by the Defence Research & Development Organisation (DRDO).

Which of the statement(s) given above is/are correct?

A. 1 only

B. 2 only

C. Both 1 and 2

D. Neither 1 nor 2

Q4) Which of the following is/are the disadvantage/s of 3D Printing?

1. More time
2. Limited raw materials
3. Cybersecurity concerns
4. High cost
5. Limited size

A. 1, 4 and 5 only

B. 2, 3 and 5 only

C. 1, 2 and 4 only

D. All the above

Q5) Which of the following statement/s is/are correct with reference to “deep fakes”?

1. It refers to the practice of setting up fictitious online profiles for luring another person into a fraudulent romantic relationship.
2.  Using AI algorithms a person’s words, head movements and expressions are transferred onto another person in a seamless fashion.

A. 1 only

B. 2 only

C. Both 1 and 2

D. Neither 1 nor 2

UPSC PRELIMS-2021 || Most Probable Questions on Science & Technology by Santosh Gupta

Q1) Consider the following statements regarding PM-Science technology Innovation advisory council (STIAC):

1. It is a 20-member committee, chaired by Union Minister of Science & Technology
2. It was part of Science technology policy- 2013 but now has been reconstituted
3. The body advises the Prime Minister on all matters related to S&T, innovation and monitor the implementation as well.
4. PM-STIAC replaced the Scientific Advisory Committee (SAC) to PM and Cabinet.

Which of the given statements is/are correct?

(a) 1 and 2 only

(b) 1,  2 and 3 only

(c) 2 and 3 only

(d) 3 and 4 only

Q2) Which of the following statements is true regarding DNA Technology (Use and Application Bill), 2019?

1. The Bill allows for DNA testing in both civil matters and criminal matters
2. Written consent is required for DNA samples from criminals  for prosecution.
3. It allows only to make a DNA database of convicted criminals and the database to be deleted once a sentence is served. 

Select the correct code:

(a) 1 only

(b) 2 AND 3only

(c) Both 1 and 2

(d) ALL OF THEM

Q3) Consider the following statements with references to Digital Currencies:

1. Digital currency refers to the electronic form of fiat money issued by governments.
2. It can also be termed as a Digital Coin.
3. It is protected by strong encryption.
4. E- RUPI is one such digital currency

Which of the given statements is/are correct?

(a) 1  and 2 only

(b) 1 and 3 only

(c) 1 , 2  and 3 only

(d) 1 only

Q4) Consider the following statements regarding ‘Lymphatic Filariasis’:

1. It is considered as a ‘Neglected Tropical Disease (NTD)’.
2. It is the most disabling disease among people.
3. It is a vector-borne disease

Which of the given statements is/are correct?

(a) Only 1 and 2

(b) Only 1 and 3

(c) Only 3

(d) All of the above

Q5) Recently seen in news, consider the following statements regarding Green Hydrogen:

1. Green hydrogen is produced by electrolysis of water using renewable energy.
2. Electricity splits water into hydrogen and oxygen with Water Vapor as by product.

Which of the statements given above is/are correct?

(a) 1 only

(b) 2 only

(c) Both 1 and 2

(d) None of the above

Daily Dose: Complete Snapshots of Everyday News – by Shweta Mishra

Maintaining consistency is one of the biggest issues faced by IAS Aspirants. Streak’s initiative is to help Aspirants in their day-to-day preparation. You can follow the monthly, weekly, and daily timetables and continue this streak until you find yourself on the final list.

Please register for Streak Initiative (free) through this link:- https://www.civilsdaily.com/course/streak-daily-initiative/

You will get following study material:-

1. Questions (PDF).
2. RSTV/Yojana monthly notes (PDF).
3. Burning issue (PDF).
4. Subject specific (PDF).
5. Mentor’s phone call for support & encouragement.

_____________________________________________

UPSC Daily Study Plan For 2021 and 2022 || STREAK – by Ravi Ranjan

UPSC PRELIMS-2021 || Current Affairs Most Probable Questions – by Sukanya Rana

Q1) Consider the following pairs Indian Defence Operations – Purpose

1. Operation Pawan – IPKF operation against LTTE

2. Operation Rainbow – Against Chinese offensives on Cho La 

Which of the pair(s) given above is/are correctly matched?

A. 1 only

B. 2 only

C. Both 1 and 2

D. Neither 1 nor 2 

Q2) Consider the following statements with respective to DAVINCI+ Mission

1. It will try to understand Venus‟ composition to analyse the formation and evolution of the planet.

2. It will try to return the first high resolution photographs of a geological feature that is unique to Venus.

3. It will also determine if active volcanoes are releasing water vapour into the atmosphere.

Which of the statement(s) given above is/are correct?

A. 1 and 2 only

B. 1 and 3 only

C. 2 and 3 only

D. 1, 2 and 3

Q3) With respect to UNESCO Science Report (USR), consider the following statements:

1. It is a flagship publication of UNESCO, released for every five years.

2. The report states that India has made solid progress towards investment in research but failed to progress towards SDG targets.

3. India has one of the lowest Gross Domestic Expenditure on Research (GERD) / GDP ratios among the BRICS nations.

Which of the statements given above are correct?

A. 1 and 2 only

B. 1 and 3 only

C. 2 and 3 only

D. 1, 2 and 3

Q4) Consider the following statements with respect to Green Hydrogen

1. Hydrogen when produced by electrolysis using renewable energy is known as Green Hydrogen.

2. The production cost of Green hydrogen is very low when compared to the production costs of grey hydrogen.

Which of the statement(s) given above is/are correct?

A. 1 only

B. 2 only

C. Both 1 and 2

D. Neither 1 nor 2 

Q5) Consider the following statements with respective to Carbon nanotubes (CNTs)

1. Single-wall carbon nanotubes are one of the allotropes of carbon, intermediate between fullerene cages and flat graphene.

2. They have ultra-high strength, and low weight and possess high conductive electrical, thermal properties.

Which of the statement(s) given above is/are correct?

A. 1 only

B. 2 only

C. Both 1 and 2

D. Neither 1 nor 2

UPSC PRELIMS-2021 || Most Probable Questions on Science & Technology by Santosh Gupta

Q1) Consider the following statements about India’s  aircraft carrier IAC-1:

1. It is  named as INS Vikrant
2. It is completely designed and developed in India
3. The 40,000t IAC Vikrant is capable of accommodating MiG 29K fighter jets and helicopters.
4. India will now have three Aircraft carriers. 

Which of the above statements are true?

A. 1, 2 and 3

B. 2, 3 and 4

C. 1, 3 and 4

D. All of them

Q2) Which of these ships have been inducted recently by the Indian Navy at Eastern Naval Command capable of Anti-Submarine warfare?

A. INS Arihant

B. INS Kamorta

C. INS Kadmatt

D. INS Kavaratti

Q3) Which of the following is correct about the Global Positioning System?

1. It is a position indicating satellite system of USA
2. It has a total 24 satellites revolving in 6 orbits.
3. Précised system of GPS is known as DGPS.
4. Russian equivalent of GPS is COMPASS

Select the correct option/options given below:

A. 2  and 3 only             

B. 3 and 4 only

C. 1,  2 and 3 only          

D. 1 and 3 only

Q4) Consider the following statements regarding IndCEPI

1. IT is one of the initiative under Atal Jai Anusandhan Biotech Mission
2. It aims to develop affordable vaccines for pandemic diseases
3. Innovative Technology interventions for Swachh Bharat.
4. Affordable generic medicines for all branded medicines

Which of the above statements is/are true?

A. 1 only

B. 2 only

C. 1 and 2 

D. All of them

Q5) Consider the following statements with respect to CMS-01.

1. It is a radar imaging satellite. 
2. It will function as the continuation of the GSAT-11 satellite. 
3. The mission life of CMS-01 is around five years. 

Select the correct code from the codes given below.

A. 1 and 2 only

B. 2 only

C. 1 and 3 only

D. All of them

Daily Dose: Complete Snapshots of Everyday News – by Shweta Mishra

Maintaining consistency is one of the biggest issues faced by IAS Aspirants. Streak’s initiative is to help Aspirants in their day-to-day preparation. You can follow the monthly, weekly, and daily timetables and continue this streak until you find yourself on the final list.

Please register for Streak Initiative (free) through this link:- https://www.civilsdaily.com/course/streak-daily-initiative/

You will get following study material:-

1. Questions (PDF).
2. RSTV/Yojana monthly notes (PDF).
3. Burning issue (PDF).
4. Subject specific (PDF).
5. Mentor’s phone call for support & encouragement.

_____________________________________________

UPSC PRELIMS-2021 || Current Affairs Based Most Probable Questions on Science and Technology by Sukanya Rana

Q1) Consider the following statements with respect to the Broadbalk Experiment.

It aims to study the optimum nutrition requirements to improve crop yield.

1. It tests the effects of different organic and inorganic fertilisers on soil fertility.
2. The experiment result states that effects of soil-borne pests and diseases are minimised in case the field gets a two year break.

Which of the statement(s) given above is/are correct?

A. 1 only

B. 1 and 3 only

C. 2 and 3 only

D. 1, 2 and 3

Q2) Which of the following statement(s) is/ are correct with respect to Non-Steroidal Anti Inflammatory Drugs (NSAIDs)?

1. It is used as a common treatment for acute pain and rheumatological diseases such as rheumatoid arthritis and osteoarthrosis.
2. It blocks the production of certain body chemicals that cause inflammation.
3. It may lead to higher rates of death or severe disease in patients who are hospitalised with Covid-19.

Select the correct answer using the codes given below:

A. 1 and 2 only

B. 1 and 3 only

C. 3 only

D. 2 and 3 only

Q3) Consider the following statements with respect to Uranium Mineral.

1. It is listed under minor minerals, the rulemaking powers on uranium have been delegated to the States through Mines & Minerals (Development and Regulation) Act.
2. Significant quantities of Uranium reserves were available in parts of Andhra Pradesh and Telangana between Seshachalam forest and Srisailam.

Which of the statement(s) given above is/are correct?

A. 1 only

B. 2 only

C. Both 1 and 2

D. Neither 1 nor 2

Q4) Which of the following statement(s) is/ are correct with respect to FLEUDA Test:

1. It uses the gene-editing tool Crispr-Cas9 to target and identify genomic sequences of the novel coronavirus.
2. It is costlier and takes longer time to produce results than RT-PCR tests.

Select the correct answer using the codes given below:

A. 1 only

B. 2 only

C. Both 1 and 2

D. Neither 1 nor 2

Q5) Which of the following statement(s) is/ are correct with respect to White Fungus?

1. It can be caused by the unsterile use of oxygen cylinders or the overuse of steroids.
2. It predominantly attacks body parts such as lungs, skin, nail, brain, kidney, mouth etc.
3. It is treated with antifungals and white fungal infections may eventually require surgery.

Select the correct answer using the codes given below:

A. 1 and 2 only

B. 1 and 3 only

C. 2 and 3 only

D. 1, 2 and 3

UPSC PRELIMS-2021 || Most Probable Questions on Science & Technology by Santosh Gupta

Q1) Consider the following statements regarding NASA’s Mars  exploration 2020 Mission:

1. The name of the rover is Perseverance
2. The space shuttle will land on Jezero Crater.
3. It also carries a Mars Helicopter  called Zhurong to test whether the helicopter can fly in the sparse atmosphere on Mars.

Which of the following statements is/are correct?

A. 1 and 2 

B. 2 and 3

C. 1 and 3

D. All of them

Q2) Consider the following statements regarding China’s Chang’e-5 Mission:

1. It is a manned spacecraft sent to the moon to bring back rocks to be brought back to Earth.
2. Till now only the United States was able to retrieve lunar samples.

Which of the following statements is/are correct?

A. 1 only

B. 2 only

C. Both 1 and 2

D. Neither 1 nor 2

Q3) Consider the following statements about Tiangong space station

1. It is  second space station being built by China to be ready by 2022
2. Recently  Shenzhou-12 delivered first crew to Tianhe module

Which of the above statements is/are true?

A. 1 only

B. 2 only

C. Both 1 and 2

D. Neither 1 nor 2

Q4) Consider the following statements about India’s Interplanetary missions: 

1. Mangalyaan-3 will be a manned mission to Mars in 2030.
2. ISRO has planned three missions to space by 2023
3. ISRO is also planning a mission to Jupiter, tentatively called Shukrayaan.

Which of the above statements are true?

A. 1 and 2

B. 2 only

C. 1  and 3 only

D. None of them

Q5) This mission of NASA will map and explore the moon’s resources on and under the lunar surface, particularly water-ice.

The mission in the question refers to?

A. VIPER 

B. New horizons

C. Voyager-2

D. Hope Mission

Maintaining consistency is one of the biggest issues faced by IAS Aspirants. Streak’s initiative is to help Aspirants in their day-to-day preparation. You can follow the monthly, weekly, and daily timetables and continue this streak until you find yourself on the final list.

Please register for Streak free initiative through this link:- https://www.civilsdaily.com/course/streak-daily-initiative/

You will get following study material:-

1. Questions (PDF).
2. RSTV/Yojana monthly notes (PDF).
3. Burning issue (PDF).
4. Subject specific (PDF).
5. Mentor’s phone call for support & encouragement.

_______________________________________________

UPSC PRELIMS-2021 || Current Affairs based Most Probable Questions for Prelims 2021 – by Sukanya Rana

Q1) Consider the following statements with respect to Brucellosis:

1. It is a fungal disease caused by Blastomyces which causes respiratory disease in humans.

2. Brucellosis is often spread when people eat contaminated food, which may include raw meat and unpasteurized milk.

Which of the statement(s) given above is/are incorrect?

a. 1 only

b. 2 only

c. Both 1 and 2

d. Neither 1 nor 2

Q2) With respect to mRNA vaccines, consider the following statements:

1. They are non-infectious, non-integrating in nature, and degraded by standard cellular mechanisms.

2. They are highly efficacious because of their inherent capability of being translatable into the protein structure inside the cell cytoplasm.

3. They are fully synthetic and do not require a host, like eggs or bacteria, for growth.

Which of the statements given above are correct?

a. 1 and 2 only

b. 1 and 3 only

c. 2 and 3 only

d. 1, 2 and 3

Q3) Consider the following statements with respect to Ultra White Paint:

1. It is made of calcium carbonate and reflects 85% of white light.

2. It remains cooler than the ambient temperature in full sunlight.

Which of the statement(s) given above is/are incorrect?

a. 1 only

b. 2 only

c. Both 1 and 2

d. Neither 1 nor 2

Q4) Which of the following statements are correct with respect to Codex Alimentarius Commission (CAC):

1. It aims to protect the health of consumers and ensure fair practices in the food trade.

2. The Membership of the Commission is open to all Member Nations and Associate Members of FAO and WHO.

Select the correct answer using the codes given below:

a. 1 only

b. 2 only

c. Both 1 and 2

d. Neither 1 nor 2

Q5) Consider the following statements with respect to Python-5 Missile:

1. It is a fifth generation infra-red air-to-air missile.

2. It has a range of around 20 km.

Which of the statement(s) given above is/are correct?

a. 1 only

b. 2 only

c. Both 1 and 2

d. Neither 1 nor 2

UPSC PRELIMS-2021 || Most Probable Questions for UPSC Prelims 2021 – by Santosh Gupta

Q1) Consider the following statements regarding “Global Partnership on Artificial Intelligence”:

1. It envisages responsible and human-centric development and use of artificial intelligence
2. India is one of the founding members of the GPAI initiative.
3. The GPAI initiative was conceived by Germany and France during their G7 presidencies.

Which of the given statements is/are correct?

(a) 1  AND 2 only

(b) 2 only

(c) All of them

(d) Neither 1 nor 2

Q2) Which of the following sectors is included in the NITI Aayog’s “National AI Strategy”:

1. Agriculture
2. MSME
3. Education
4. MOBILITY
5. Oil and Natural Gas

Select the correct code:

(a) 1 and 4 only

(b) 2 and 5 only

(c) 3 and 5 only

(d) 1, 3 and 4 only

Q3) Consider the following statements regarding “eVIN”

1. It digitizes Covid Vaccination supply chain.
2. Both state Government and private companies can place their orders directly for vaccine through this portal

Which of the given statements is/are correct?

(a) 1 only

(b) 2 only

(c) Both 1 and 2

(d) Neither 1 nor 2

Q4) Consider the following statement about the Global Alliance for Vaccines and Immunizations (GAVI):

1. It is a WHO led alliance of public health organizations of UN members. 
2. The objective is to ensure immunization for all. 

Which of the given statements is/are correct?

(a) 1 only

(b) 2 only

(c) Both 1 and 2

(d) Neither 1 nor 2

Q5) Which of the following given statements is/are true about India’s supercomputer Param Siddhi?:

1. It is ranked in the top 100 among 500 most powerful non-distributed computer systems in the world.
2. It has been developed under the National Supercomputing Mission.
3. It is the fastest supercomputer of India till now

Which of the given statements is/are correct?

(a) 1 and 2 only

(b) 2 and 3 only

(c) All of them

(d) Neither 1 nor 2

Maintaining consistency is one of the biggest issues faced by IAS Aspirants. Streak’s initiative is to help Aspirants in their day-to-day preparation. You can follow the monthly, weekly, and daily timetables and continue this streak until you find yourself on the final list.

Please register for Streak free initiative through this link:- https://www.civilsdaily.com/course/streak-daily-initiative/

You will get following study material:-

1. Questions (PDF).
2. RSTV/Yojana monthly notes (PDF).
3. Burning issue (PDF).
4. Subject specific (PDF).
5. Mentor’s phone call for support & encouragement.

_______________________________________________

I. UPSC Daily Study Plan For 2021 and 2022 || STREAK

Targets of the Day:

A. For 2022 Aspirants:

(a) Full Time Aspirants:- Sectors of Economy: Secondary and Tertiary Sector

(b) For Working Aspirants:- Planning in India

B. For 2021 Aspirants: Attempt one Full Length Test and do the analysis

II. UPSC PRELIMS-2021 || Current Affairs based Most Probable Questions for Prelims 2021

Q1) Which of the following missions are not among the 9 national missions implemented by the Prime Minister’s Science, Technology, and Innovation Advisory Council (PM-STIAC)?

1. Artificial Intelligence
2. National Solar Mission
3. National Biodiversity Mission
4. Natural Language Translation
5. National Mission for a Green India

Select the correct answer using the codes given below:

A. 1 and 3 only

B. 2 and 5 only

C. 1, 2 and 3 only

D. None of the above

Q2) Which of the following statements are correct with respect to NISAR Mission

1. It uses a dual-frequency L and S-band Synthetic Aperture Radar (SAR) for earth observation.
2. It can produce extremely high resolution images day and night in any weather.

Select the correct answer using the codes given below:

A. 1 only

B. 2 only

C. Both 1 and 2

D. Neither 1 nor 2

Q3) Consider the following statements with respect to Aluminium Air Batteries.

1. It is lower in cost and has more energy dense than Lithium-ion batteries.
2. The special feature is that it can be recharged very fast and can retain the power for longer than any other batteries.

Which of the statement(s) given above is/are incorrect?

A. 1 only

B. 2 only

C. Both 1 and 2

D. Neither 1 nor 2

Q4) Which of the following pairs are matched correctly with respect to India’s Joint Space missions?

1. Space Mission –  Partnering Nation
2. TRISHNA –  CNES, France
3. NISAR –  NASA, USA
4. LUPEX Mission –  JAXA, Japan
5. Megha-Tropiques –  CNES, France

Select the correct answer using the codes given below:

A. 1 & 4 only

B. 2 only

C. 3 & 4 only

D. All of the above

Q5) With respect to INS Karanj, consider the following statements:

1. It is the third of six Scorpene-class submarines being built under Project-75 by Mazagon Dock Limited, Goa.
2. It is a nuclear powered submarine to be commissioned into the Indian Navy in collaboration with France.

Which of the statement(s) given above is/are correct?

A. 1 only

B. 2 only

C. Both 1 and 2

D. Neither 1 nor 2

III. UPSC PRELIMS-2021 || Most Probable Questions for UPSC Prelims 2021

Q1) Select the correct statement/s in reference to Near-Earth Objects (NEOs). 

1. These objects are composed mostly of water ice with embedded dust particles. 
2. NEOs do not orbit the Sun and do not have a fixed trajectory path.

Which of the above statements is/are true?

A. 1 only

B. 2 only

C. 1 and 2 

D. None of them

Q2) Select the correct statement/s in context to M-dwarf star. 

1. They are the most numerous type of star in the universe. 
2. They are the smallest type of hydrogen-burning star. 
3. These have masses greater than that of the Sun.

Which of the above statements are true?

A. 1 and 2

B. 2 and 3

C. 1 and 3

D. All of them

Q3) In which of the following projects is India a participant? 

1. Large Hadron Collider (LHC) 
2. Thirty Meter Telescope (TMT) 
3. Laser Interferometer Gravitational-Wave Observatory (LIGO) 
4. International Thermonuclear Experimental Reactor (ITER)

Which of the above statements are true?

A. 1 & 2 only

B. 2, 3 & 4

C. 1, 2 & 4

D. All of them

Q4) Consider the following statements in context to the neutrinos.

1. These are particles with no electrical charge. 
2. They are highly interactive with matter. 
3. They are abundantly found in the universe. 

Select the correct code using the codes given below.

A. 1 & 2

B. 2 & 3

C. 1 & 3

D. All of them

Q5. With reference to gravitational waves, which of the following statements is/are correct? 

1. All Gravitational waves produced  through merger of black holes only
2. Gravitational waves travel at the speed of light
3. Gravitational waves were detected by LIGO only in 2015. 

Select the correct answer using the code given below. 

A. 3 only 

B. 1 & 2 only 

C. 2 & 3 only 

D. 1, 2 & 3

Maintaining consistency is one of the biggest issues faced by IAS Aspirants. Streak’s initiative is to help Aspirants in their day-to-day preparation. You can follow the monthly, weekly, and daily timetables and continue this streak until you find yourself on the final list.

Please register for Streak free initiative through this link:- https://www.civilsdaily.com/course/streak-daily-initiative/

You will get following study material:-

1. Questions (PDF).
2. RSTV/Yojana monthly notes (PDF).
3. Burning issue (PDF).
4. Subject specific (PDF).
5. Mentor’s phone call for support & encouragement.

_______________________________________________

I. UPSC Daily Study Plan For 2021 and 2022 || STREAK

II. CSAT for UPSC Prelims || Free CSAT Sessions by Civilsdaily

III. UPSC PRELIMS-2021: Science & Technology Current Affairs Most Probable Questions

Q1) Which of the following statements are correct with respect to Nuclear Medicines

1. It uses small amounts of radioactive materials called radiotracers that are typically injected into the bloodstream, inhaled or swallowed.
2. Hyperthyroidism, thyroid cancer, and bone pain from some types of cancer are few diseases treated with nuclear medicine.

Select the correct answer using the codes given below:

(a) 1 only

(b) 2 only 

(c) Both 1 and 2 

(d) Neither 1 nor 2

Q2) Consider the following statements with respect to Einsteinium

1. It was discovered in the debris of the first atomic bomb “Little Boy” that was dropped over the city of Hiroshima, Japan.
2. It is a naturally occurring element which has radioactive properties.

Which of the statement(s) given above is/are incorrect?
(a) 1 Only
(b) 2 Only
(c) Both 1 and 2
(d) Neither 1 nor 2

Q3) Consider the following statements about Trans fat

1. Trans fat are saturated fatty acids that come from either natural or industrial sources.
2. It is industrially produced by adding hydrogen to vegetable oil converting the liquid into a solid, resulting in “partially hydrogenated” oil (PHO). 
3. FSSAI has notified that Trans fat in oil and fats to be limited to 3% in all fats and oils by 2021 and 2 % by January 2022.

Which of the above statement(s) is/are correct?

(a) 1 and 2 only

(b) 2 and 3 only

(c) 1 and 3 only

(d) All of the above

Q4) Consider the following statements about Vigyan Jyoti programme

1. It is an initiative by the Department of Science and Technology.
2. It is to encourage girls to take interest in Science, Technology, Engineering and Mathematics (STEM). 

Which of the above statement(s) is/are correct?

(a) 1 only

(b) 2 only

(c) Both 1 and 2

(d) Neither 1 nor 2

Q5) Consider the following statements with respect to Arjun Main Battle Tank MK-1A

1. It is jointly designed, developed and manufactured by DRDO and Lockheed Martin, an US corporation. 
2. It has a computer-controlled integrated fire control system with stabilised sighting that works in all lighting conditions.

Which of the statement(s) given above is/are correct?

(a) 1 only

(b) 2 only

(c) Both 1 and 2

(d) Neither 1 nor 2

IV. UPSC PRELIMS-2021: Most Probable Questions for UPSC Prelims 2021

Q1) Select the correct statement/s from the following statements. 

1. Both Covid-19 and Swine flu are caused due to viruses from non-human hosts.
2.  Both are respiratory viruses that spread through contact.
3. Both are zoonotic diseases

Which of above statement are true?

A. 1  and 2 only

B. 2 and 3 only

C. 1 and 3 only

D. All of them

Q2) Which of the following tests are being used for testing COVID-19? 

1. Rapid Antigen Test (RAT) 
2. Reverse transcription polymerase chain reaction (RT-PCR) test 
3. Serology Test 
4. TrueNat test 
5. ELISA test

Select the correct answer using the code given below.

(a) 1, 2, and 4 only 

(b) 1, 2, and 3 only 

(c) 4 and 5 only 

(d) 1, 2, 3, 4 and 5

Q3) Select the correct statement/s from the following statements with respect to Angiotensin Converting Enzyme 2 (ACE2). 

1. ACE2 is a protein on the surface of many cell types. 
2. 2. The SARS-CoV-2 virus binds to ACE2, using the spike like protein on its surface.

Which of above statements is/are true?

A. 1 only

B. 2 only

C. 1 and 2 

D. None of them

Q4) Consider the following statements in context to “happy hypoxia” sometimes seen in news. 

1. This condition is characterized by extremely low blood oxygen levels in humans. 
2. Such patients show signs of breathlessness. 
3. Patients with such a condition live in great distress. 

Select the correct code from the codes given below.

A. 1  and 2 only

B. 2 and 3 only

C. 1 only

D. All of them

Q5) Consider the following statements about ZyCoV-D

1. It is first Covid vaccine approved for Children in India
2. It is fully Funded by Department of Biotech under its Covid Suraksha Mission
3. It is also a two dose vaccine
4. It is administered intra-dermal. 

Which of above statements are true?

A. 1, 2 and 3 only

B. 2, 3 and 4 only

C. 1, 3 and 4 only

D. 1 and 4 only

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