Start learning →

UPSC CSE Physical Geography — practice questions — page 25

Explore 1,011 free Physical Geography questions in UPSC CSE Geography. Open each question or exercise to read its content, reference answers and available explanation.

Practise Physical Geography with Quill →

Physical Geography questions and exercises with answers

Showing questions 721–750 of 1,011.

Crop diversity is also called:Read the answer and worked solution →Tropical regions occupy about what share of the world's total area?Read the answer and worked solution →Tropical rain forests contain about what share of the species on earth?Read the answer and worked solution →Species introduced into a habitat that are not its natural inhabitants are called:Read the answer and worked solution →The IUCN classifies threatened species into how many categories?Read the answer and worked solution →The IUCN publishes information on endangered species worldwide as the:Read the answer and worked solution →Species likely to be in danger of extinction in the near future are classed as:Read the answer and worked solution →Species whose world population is very small and confined to limited areas are:Read the answer and worked solution →India signed the Convention of Biodiversity at the Earth Summit in Rio de Janeiro in:Read the answer and worked solution →How many other nations joined India in signing the Convention of Biodiversity?Read the answer and worked solution →The Wild Life (Protection) Act of India was passed in:Read the answer and worked solution →Tropical countries holding a large share of the world's species are called:Read the answer and worked solution →How many mega diversity countries are there?Read the answer and worked solution →In Madagascar, about what share of plants and animals are found nowhere else?Read the answer and worked solution →Catch the mega diversity countriesRead the answer and worked solution →Pop the threat categoriesRead the answer and worked solution →Run the conservation numbersRead the answer and worked solution →Slice the biodiversity wordsRead the answer and worked solution →Threat or protectionRead the answer and worked solution →Sort the diversity levelsRead the answer and worked solution →Type the numberRead the answer and worked solution →Biodiversity bingoRead the answer and worked solution →Kant's Nebular Hypothesis was revised by the mathematician Laplace in which year?Read the answer and worked solution →Which German philosopher first argued what became the Nebular Hypothesis?Read the answer and worked solution →In 1900, Chamberlain and Moulton said planets formed from material pulled from the sun by a:Read the answer and worked solution →Theories that imagined a companion star coexisting with the sun are called:Read the answer and worked solution →In 1950, Otto Schmidt in Russia and which German scientist revised the nebular hypothesis?Read the answer and worked solution →Planets formed from the disk-shaped cloud through the process of:Read the answer and worked solution →The Big Bang Theory is also called the:Read the answer and worked solution →Who provided evidence in 1920 that the universe is expanding?Read the answer and worked solution →

Worked practice questions

Crop diversity is also called:

  1. Species richness
  2. Ecosystem web
  3. Agro-biodiversity
  4. Genetic drift
Show answer and solution

Correct answer: C. Agro-biodiversity

1. It is part of biodiversity's economic role. 2. Crop diversity is agro-biodiversity. 3. Food, medicines and cosmetics draw on it. _Source: syllabus Fundamentals of Physical Geography, Chapter 16, Biodiversity and Conservation._

Open this question →

Tropical regions occupy about what share of the world's total area?

  1. Three-fourth
  2. One-half
  3. One-third
  4. One-fourth
Show answer and solution

Correct answer: D. One-fourth

1. Yet they hold three-fourths of humanity. 2. The tropics cover one-fourth of the area. 3. Overexploitation and deforestation follow. _Source: syllabus Fundamentals of Physical Geography, Chapter 16, Biodiversity and Conservation._

Open this question →

Tropical rain forests contain about what share of the species on earth?

  1. 50 per cent
  2. 25 per cent
  3. 75 per cent
  4. 10 per cent
Show answer and solution

Correct answer: A. 50 per cent

1. Destroying them harms the whole biosphere. 2. They hold 50 per cent of species. 3. Deforestation is rampant there. _Source: syllabus Fundamentals of Physical Geography, Chapter 16, Biodiversity and Conservation._

Open this question →

How to practise

  1. Choose a Physical Geography question and try to work out your answer.
  2. Open the question to check the correct answer and read its worked solution.
  3. Continue in the app for bite-sized lessons, explanations and review with Quill. You can start without creating an account.

More Geography topics

Indian GeographyEnvironment & EcologyIndian EconomyIndian DemographicsWorld GeographyPhysiographyPopulationRivers