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.

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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