Chapter No 9 :Environmental Science, Environmental Geography (419 MCQ`S)

  1. The Pyramid of Energy in an ecosystem is:
    1. Always Inverted
    2. Always Upright
    3. May be Upright or Inverted
    4. None of the above
    5. Show Answer
      Answer: B
      Explanation:
      • N/A
  2. Terrestrial ecosystems have usually number of trophic levels in numbers:
    1. 2
    2. 3
    3. 4
    4. 5
    5. Show Answer
      Answer: B
      Explanation:
      • N/A
  3. The following is not a terrestrial ecosystem:
    1. Forest
    2. Grassland
    3. Aquarium
    4. Desert
    5. Show Answer
      Answer: C
      Explanation:
      • N/A
  4. In an ecosystem, the energy flow is:
    1. Always Unidirectional
    2. Always Bidirectional
    3. In any Direction
    4. Always Down Directional
    5. Show Answer
      Answer: A
      Explanation:
      • N/A
  5. Ecosystem is not accepted by the following Law of Thermodynamics:
    1. First Law
    2. Second Law
    3. Third Law
    4. Zeroth Law
    5. Show Answer
      Answer: B
      Explanation:
      • N/A
  6. Organic components includes:
    1. Carbohydrates
    2. Proteins
    3. Lipids
    4. All of the above
    5. Show Answer
      Answer: D
      Explanation:
      • N/A
  7. Red data book contains:
    1. All Plant Species
    2. All Animal Species
    3. Threatened Species
    4. Economically Important Species
    5. Show Answer
      Answer: C
      Explanation:
      • N/A
  8. Lightning is the main natural cause of forest fire which comes to earth at the rate:
    1. 100 strikes per second
    2. 200 strikes per second
    3. 300 strikes per second
    4. 400 strikes per second
    5. Show Answer
      Answer: A
      Explanation:
      • N/A
  9. Importance of Food Chain includes:
    1. Energy Flow
    2. Nutrient Cycling
    3. Ecological Balance
    4. All of the above
    5. Show Answer
      Answer: D
      Explanation:
      • N/A
  10. Secondary consumers deriving their energy from:
    1. Producers
    2. Herbivores
    3. Tertiary Consumers
    4. All of the above
    5. Show Answer
      Answer: B
      Explanation:
      • N/A

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