UPSC Prelims 2020 Environment & Ecology Questions

Ancient History 3 Art & Culture 5 Economy 21 Environment & Ecology 19 Geography 8 Indian Polity 15 International Relations 3 Medieval History 2 Modern History 9 Science & Technology 13 Social Issues & Schemes 2

Question 13 Hard

What is the use of biochar in farming? 1. Biochar can be used as a part of the growing medium in vertical farming. 2. When biochar is a part of the growing medium, it...

Question 14 Medium

In the context of India, which of the following is/are considered to be practice(s) of eco-friendly agriculture? 1. Crop diversification 2. Legume intensification 3. ...

Question 15 Medium

What are the advantages of fertigation in agriculture? 1. Controlling the alkalinity of irrigation water is possible. 2. Efficient application of Rock Phosphate and a...

Question 16 Easy

With reference to India’s biodiversity, Ceylon frogmouth, Coppersmith barbet, Gray-chinned minivet and White-throated redstart are

Question 17 Medium

With reference to India’s Desert National Park, which of the following statements are correct? 1. It is spread over two districts. 2. There is no human habitation ins...

Question 18 Medium

Consider the following statements: 1. Coal ash contains arsenic, lead and mercury. 2. Coal-fired power plants release Sulphur dioxide and oxides of nitrogen into the ...

Question 19 Medium

Among the following Tiger Reserves, which one has the largest area under “Critical Tiger Habitat”?