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UPSC CDS Environment & Ecology — practice questions — page 6

Explore 308 free Environment & Ecology questions in UPSC CDS 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 151–180 of 308.

Catch the biodegradable wasteRead the answer and worked solution →Pop the abiotic factorsRead the answer and worked solution →Run the trophic levelsRead the answer and worked solution →Slice the ecology wordsRead the answer and worked solution →Natural or human-madeRead the answer and worked solution →Sort the ecosystem rolesRead the answer and worked solution →Type the numberRead the answer and worked solution →Our environment bingoRead the answer and worked solution →The phrase Vasudhaiv Kutumbakam, the entire earth is one family, comes from the Mahaupanishad, part of which Veda?Read the answer and worked solution →The Ganga Action Plan, launched because river water quality was very poor, came in:Read the answer and worked solution →Among the five R's, which is better than recycling because recycling itself uses energy?Read the answer and worked solution →Growing plants in cracked cups or using them as bird feeders is an example of which R?Read the answer and worked solution →Growth that meets current basic needs while preserving resources for future generations is:Read the answer and worked solution →The only resource Earth receives from outside is:Read the answer and worked solution →A paper mill owner using forest pulp belongs to which stakeholder group in forest conservation?Read the answer and worked solution →The Bishnoi community, for whom conservation is a religious tenet, lives in:Read the answer and worked solution →Amrita Devi Bishnoi sacrificed her life with 363 others in 1731 to protect which trees?Read the answer and worked solution →Khejrali village, site of the 1731 Bishnoi sacrifice, is near:Read the answer and worked solution →The Chipko Andolan began in the early 1970s in Reni village in:Read the answer and worked solution →In Chipko, who reached the forest first and hugged the trees to stop the contractor's workers?Read the answer and worked solution →The 1972 people's participation experiment in reviving Sal forests began in the Arabari range of which district?Read the answer and worked solution →In Arabari, villagers protecting the forest received what share of the final harvest?Read the answer and worked solution →Kulhs, a 400-year-old local canal irrigation system, belong to:Read the answer and worked solution →Which canal has brought greenery to considerable areas of Rajasthan?Read the answer and worked solution →The Narmada Bachao Andolan protested raising the height of which dam?Read the answer and worked solution →The Tehri Dam, opposed by many, stands on which river?Read the answer and worked solution →Rajendra Singh, India's waterman who built 8,600 johads, won which prize in 2015?Read the answer and worked solution →Surangams are traditional water harvesting structures of:Read the answer and worked solution →Known petroleum reserves are estimated to last about:Read the answer and worked solution →Burning coal in insufficient oxygen forms which poisonous gas instead of carbon dioxide?Read the answer and worked solution →

Worked practice questions

Catch the biodegradable waste

Read exercise and reference answers
Items
  1. Matches the category
    Yes
    Item
    Vegetable peels
  2. Matches the category
    Yes
    Item
    Used tea leaves
  3. Matches the category
    Yes
    Item
    Waste paper
  4. Matches the category
    Yes
    Item
    Spoilt food
  5. Matches the category
    Yes
    Item
    Torn cloth
  6. Matches the category
    No
    Item
    Plastic bag
  7. Matches the category
    No
    Item
    Bubble pack
  8. Matches the category
    No
    Item
    CFC gas
Category
Biodegradable
Instructions
Catch the wastes that bacteria can break down. Let the plastics and synthetics fall.
_Source: syllabus Science, Chapter 15, Our Environment._

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Pop the abiotic factors

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Other terms
  1. Frogs
  2. Grasses
  3. Bacteria
  4. Fungi
Matching terms
  1. Temperature
  2. Rainfall
  3. Wind
  4. Soil
  5. Minerals
  6. Sunlight
Instructions
Pop the abiotic factors of an ecosystem. Leave the living things.
_Source: syllabus Science, Chapter 15, Our Environment._

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Run the trophic levels

Read exercise and reference answers
Questions
  1. Correct
    First
    Choices
    1. First
    2. Second
    3. Third
  2. Correct
    Second
    Choices
    1. First
    2. Second
    3. Third
  3. Correct
    Third
    Choices
    1. First
    2. Second
    3. Third
  4. Correct
    1
    Choices
    1. 1
    2. 10
    3. 3
  5. Correct
    10
    Choices
    1. 1
    2. 10
    3. 3
  6. Correct
    3
    Choices
    1. 1
    2. 10
    3. 3
Instructions
Level of producer, herbivore, small carnivore; then sunlight % captured, energy % passed on, ozone atoms.
_Source: syllabus Science, Chapter 15, Our Environment._

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Science & TechnologyCurrent AffairsIndian GeographySoil & VegetationConservationEndangered SpeciesEnvironment BasicsNational Parks