UPSC CSE Prelims · 2020
UPSC Prelims 2020 Environment — Solved PYQs with Answers
15 solved UPSC (IAS) Prelims 2020 Environment & Ecology previous year questions, each with the correct answer and a detailed explanation.
← All UPSC 2020 PYQs · All Environment PYQs · Environment strategy
- What are the advantages of fertigation in agriculture? 1. Controlling the alkalinity of irrigation water is po…
- What is/are the advantage/ advantages of zero tillage in agriculture? 1. Sowing of wheat is possible without b…
- In the context of India, which of the following is/are considered to be practice(s) of eco-friendly agricultur…
- What is the use of biochar in farming? 1. Biochar can be used as a part of the growing medium in vertical farm…
- Consider the following statements: 1. Coal ash contains arsenic, lead and mercury. 2. Coal-fired power plants …
- If a particular plant species is placed under Schedule VI of The Wildlife Protection Act, 1972, what is the im…
- Steel slag can be the material for which of the following? 1. Construction of base road 2. Improvement of agri…
- In rural road construction, the use of which of the following is preferred for ensuring environmental sustaina…
- Consider the following statements: 1. 36% of India’s districts are classified as “overexploited” or “critical”…
- With reference to India’s Desert National Park, which of the following statements are correct? 1. It is spread…
- Among the following Tiger Reserves, which one has the largest area under “Critical Tiger Habitat”?
- Which one of the following protected areas is well-known for the conservation of a sub-species of the Indian s…
- Which of the following are the most likely places to find the musk deer in its natural habitat? 1. Askot Wildl…
- With reference to Indian elephants, consider the following statements: 1. The leader of an elephant group is a…
- With reference to India’s biodiversity, Ceylon frogmouth, Coppersmith barbet, Gray-chinned minivet and White-t…