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RRB Group D Environment & Ecology — practice questions

Explore 30 free Environment & Ecology questions in RRB Group D 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 1–30 of 30.

In which of the following regions of India are you most likely to come across the 'Great Indian Hornbill' in its natural habitat?Read the answer and worked solution →The major greenhouse gas by quantity emitted globally is:Read the answer and worked solution →Abiotic or biotic?Read the answer and worked solution →Complete the definition of an ecosystemRead the answer and worked solution →Tap every one of the four functional componentsRead the answer and worked solution →True or false: structure and functionRead the answer and worked solution →Complete the definition of primary productivityRead the answer and worked solution →Which role does this organism play?Read the answer and worked solution →True or false: productivityRead 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: term with meaningRead the answer and worked solution →Spot the one that does not belongRead the answer and worked solution →Complete the definition of biodiversityRead the answer and worked solution →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 →Catch the Evil QuartetRead the answer and worked solution →Pop the levels of biodiversityRead the answer and worked solution →Find the real termRead the answer and worked solution →Slice the biodiversity wordsRead the answer and worked solution →In situ or ex situRead the answer and worked solution →Extinct, invasive or hotspotRead the answer and worked solution →Type the numberRead the answer and worked solution →Biodiversity bingoRead the answer and worked solution →

Worked practice questions

In which of the following regions of India are you most likely to come across the 'Great Indian Hornbill' in its natural habitat?

  1. Sand deserts of northwest India
  2. Higher Himalayas of Jammu and Kashmir
  3. Salt marshes of western Gujarat
  4. Western Ghats
Show answer and solution

Correct answer: D. Western Ghats

UPSC CSE Prelims 2016 (GS-I, Set A), Q.22. Answer key: D (coaching consensus; UPSC did not publish an official 2016 AK separately on upsc.gov.in).

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The major greenhouse gas by quantity emitted globally is:

  1. Methane (CH4) from livestock
  2. Nitrous oxide (N2O) from fertilisers
  3. Sulphur dioxide (SO2) from industry
  4. Carbon dioxide (CO2) from fossil fuels
Show answer and solution

Correct answer: D. Carbon dioxide (CO2) from fossil fuels

CO2 from fossil-fuel combustion is the largest GHG by quantity. Methane is more potent per molecule (~25x) but less abundant.

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Abiotic or biotic?

Read exercise and reference answers
Items
  1. Item
    Air
    Category
    Abiotic
  2. Item
    Water
    Category
    Abiotic
  3. Item
    Soil
    Category
    Abiotic
  4. Item
    Producers
    Category
    Biotic
  5. Item
    Consumers
    Category
    Biotic
  6. Item
    Decomposers
    Category
    Biotic
Categories
  1. Item
    Abiotic
  2. Item
    Biotic
An ecosystem's abiotic components are the inorganic materials the biotic ones are the living roles. Source: syllabus Biology, Ecosystem.

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More Environment topics

National ParksConservationEndangered SpeciesProtected AreasEnvironment BasicsTransport & National ParksCurrent AffairsIndian Geography