Ecology and Environment

General Knowledge Test with questions about Environment & Biodiversity for exams like UPSC, SSC, UPPSC, Banking, RPSC, MPSC, KAS, MPPSC, and others.

1. In which ecosystem does the biomass pyramid show an ‘inverted’ formation?

  1. Grassland Ecosystem
  2. Desert Ecosystem
  3. Rainforest Ecosystem
  4. Aquatic Ecosystem
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Answer: Option D. Aquatic Ecosystem

2. In a food chain, which of the following would likely have the highest count?

  1. Producers
  2. Secondary consumers
  3. Tertiary consumers
  4. Decomposers
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Answer: Option D. Decomposers

3. In which of the following is the ecological pyramid of numbers widest in the center?

  1. Forest Ecosystem
  2. Detritus Food Chains
  3. Aquatic Ecosystem
  4. Predatory Food Chains
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Answer: Option A. Forest Ecosystem

4. In which direction does energy flow within an ecosystem?

  1. From Decomposers to Producers
  2. From Consumers to Producers
  3. From Producers to Consumers
  4. Energy does not flow
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Answer: Option C. From Producers to Consumers

5. Lichens, known for being able to start ecological succession on mere rocks, are the symbiotic partner of what?

  1. Algae and Fungi
  2. Fungi and Mosses
  3. Algae and Mosses
  4. Bacteria and Fungi
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Answer: Option A. Algae and Fungi