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UPSC Assistant Commandant Environment & Ecology — practice questions — page 3

Explore 68 free Environment & Ecology questions in UPSC Assistant Commandant Environment. 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 61–68 of 68.

The numbers the chapter givesRead the answer and worked solution →Tap every level conservation targetsRead the answer and worked solution →True or false: biodiversityRead the answer and worked solution →Which level of diversity?Read the answer and worked solution →Assertion and reasonRead the answer and worked solution →Two are true, one is notRead the answer and worked solution →Flip and pair: figure with what it countsRead the answer and worked solution →Spot the one that does not belongRead the answer and worked solution →

Worked practice questions

The numbers the chapter gives

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Questions
  1. Question
    Species recorded worldwide number more than
    Choices
    1. 15 million
    2. 150,000
    3. 1.5 million
    Correct choice
    1.5 million
  2. Question
    Species possibly awaiting discovery number about
    Choices
    1. 6 million
    2. 600,000
    3. 60 million
    Correct choice
    6 million
  3. Question
    Of named species, animals make up more than
    Choices
    1. 30 per cent
    2. 70 per cent
    3. 10 per cent
    Correct choice
    70 per cent
  4. Question
    Of those animals, insects make up about
    Choices
    1. 20 per cent
    2. 5 per cent
    3. 70 per cent
    Correct choice
    70 per cent
More than 1.5 million recorded, perhaps 6 million in total, over 70 per cent of named species are animals and 70 per cent of those are insects. Source: syllabus Biology, Biodiversity and Conservation.

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Tap every level conservation targets

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Questions
  1. Items
    1. Text
      Genetic diversity
      Matches the category
      Yes
    2. Text
      Species diversity
      Matches the category
      Yes
    3. Text
      Ecosystem diversity
      Matches the category
      Yes
    4. Text
      Chemical diversity
      Matches the category
      No
    5. Text
      Mineral diversity
      Matches the category
      No
    Category
    A level conservation aims at
Three levels, named in the summary. Source: syllabus Biology, Biodiversity and Conservation.

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True or false: biodiversity

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Questions
  1. Statement is true
    Yes
    Statement
    Life originated on earth nearly 3.8 billion years ago.
  2. Statement is true
    Yes
    Statement
    Biodiversity covers genetic, species and ecosystem levels.
  3. Statement is true
    No
    Statement
    Every species on earth has already been named.
  4. Statement is true
    Yes
    Statement
    Insects make up the majority of named animal species.
  5. Statement is true
    No
    Statement
    Conservation targets only species, not genes or ecosystems.
The chapter's headline facts. Source: syllabus Biology, Biodiversity and Conservation.

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