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UPSC CSE Environment & Ecology — practice questions — page 11

Explore 446 free Environment & Ecology questions in UPSC CSE Geography. Open each question or exercise to read its content, reference answers and available explanation.

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Environment & Ecology questions and exercises with answers

Showing questions 301–330 of 446.

According to the India State of Forest Report 2011, India's forest cover is:Read the answer and worked solution →Tropical evergreen forests are at their best where annual rainfall exceeds:Read the answer and worked solution →Ebony, mahogany, rosewood, rubber and cinchona belong to which forest type?Read the answer and worked solution →The most widespread forests of India, also called monsoon forests, are the:Read the answer and worked solution →Trees of the tropical deciduous forests shed their leaves in dry summer for about:Read the answer and worked solution →The most dominant species of the moist deciduous forests is the:Read the answer and worked solution →Thorn forests and scrubs are the natural vegetation where rainfall is less than:Read the answer and worked solution →Wet temperate forests of oaks and chestnuts are found between heights of:Read the answer and worked solution →Coniferous trees like pine, deodar, silver fir and spruce are found between:Read the answer and worked solution →Alpine vegetation in the mountains generally begins above:Read the answer and worked solution →Alpine grasslands are grazed extensively by which nomadic tribes?Read the answer and worked solution →Sundari trees, which give durable hard timber, grow in which delta?Read the answer and worked solution →India's roughly 2,000 bird species make up what share of the world's total?Read the answer and worked solution →The Wildlife Protection Act was implemented in India in:Read the answer and worked solution →The Gir forest in Gujarat is the last natural habitat of the:Read the answer and worked solution →The wild ass is found in the arid:Read the answer and worked solution →How many biosphere reserves have been set up in India?Read the answer and worked solution →How many of India's biosphere reserves are in the world network of biosphere reserves?Read the answer and worked solution →The only surviving representative of its variety of crocodile in the world today is the:Read the answer and worked solution →Catch the biosphere reservesRead the answer and worked solution →Pop the evergreen treesRead the answer and worked solution →Run the forest limitsRead the answer and worked solution →Slice the Indian treesRead the answer and worked solution →Evergreen or deciduousRead the answer and worked solution →Sort the plants by forestRead the answer and worked solution →Type the numberRead the answer and worked solution →Vegetation bingoRead the answer and worked solution →India's population in March 2011 was 1,210.6 million, which is what share of the world's people?Read the answer and worked solution →The first complete census of India was taken in:Read the answer and worked solution →The most populous state in Census 2011, with 199 million people, was:Read the answer and worked solution →

Worked practice questions

According to the India State of Forest Report 2011, India's forest cover is:

  1. 41.05 per cent
  2. 21.05 per cent
  3. 33.05 per cent
  4. 12.05 per cent
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Correct answer: B. 21.05 per cent

1. Much vegetation is no longer natural. 2. Forest cover is 21.05 per cent. 3. Only inaccessible regions keep virgin vegetation. _Source: syllabus Contemporary India I, Chapter 5, Natural Vegetation and Wildlife._

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Tropical evergreen forests are at their best where annual rainfall exceeds:

  1. 70 cm
  2. 50 cm
  3. 200 cm
  4. 100 cm
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Correct answer: C. 200 cm

1. They grow in the Western Ghats and the islands. 2. Rainfall above 200 cm with a short dry season suits them. 3. Trees reach 60 metres or more. _Source: syllabus Contemporary India I, Chapter 5, Natural Vegetation and Wildlife._

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Ebony, mahogany, rosewood, rubber and cinchona belong to which forest type?

  1. Tropical deciduous
  2. Thorn forest
  3. Montane forest
  4. Tropical evergreen
Show answer and solution

Correct answer: D. Tropical evergreen

1. These forests stay green all year. 2. They are the commercial trees of tropical evergreen forests. 3. Elephants, monkeys and lemurs live there. _Source: syllabus Contemporary India I, Chapter 5, Natural Vegetation and Wildlife._

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