Ecology and Environmental Processes

JKPSC Assistant Professor (Zoology) · Zoology · 68 practice questions with answers and explanations: 8 Easy, 60 Medium, 0 Hard.

Sample questions

Sample Easy question 1

BOD stands for:

  1. Basic oxygen density
  2. Biochemical oxygen demand
  3. Bacterial oxygen deficiency
  4. Biological organic dioxide
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Answer: B. A measure of organic pollution in water.

Sample Easy question 2

The Montreal Protocol (1987) deals with:

  1. Trade in species
  2. Substances that deplete the ozone layer
  3. Global warming
  4. Wetland protection
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Answer: B. It phased out CFCs.

Sample Easy question 3

The study of the relationship of organisms with their environment is:

  1. Ecology
  2. Ethology
  3. Embryology
  4. Taxonomy
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Answer: A. Ernst Haeckel coined the term.

Sample Medium question 4

The interaction in which one species benefits and the other is unaffected is:

  1. Mutualism
  2. Parasitism
  3. Commensalism
  4. Predation
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Answer: C. Examples include barnacles on whales.

Sample Medium question 5

Which of these is an example of mutualism?

  1. Lion and deer
  2. Cuscuta on host
  3. Tapeworm in human
  4. Lichens
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Answer: D. Lichens are a fungus and an alga living together.

Sample Medium question 6

Which biome has the highest species diversity?

  1. Tropical rainforest
  2. Desert
  3. Tundra
  4. Taiga
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Answer: A. Warm, wet conditions support many species.

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