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:-
- Questions (PDF).
- RSTV/Yojana monthly notes (PDF).
- Burning issue (PDF).
- Subject specific (PDF).
- 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) Consider the following statements:
- Agaricus is a form of bacteria.
- 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:
- 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.
- 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)
- It will be established as a part of the National Centre for Sustainable Coastal Management (NCSCM).
- 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:
- Niche refers to functional characteristics of a species in its habitat
- All the species in a habitat have same niche
- The habitat plus the niche is called the ecotope
- 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
