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Natural Resources — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceNatural Resources1 Mark
MCQ
Marked temperature changes in aquatic environment can affect:
  • ✓
    Breeding of animals.
  • B
    More growth of aquatic plants.
  • C
    Process of digestion in animals.
  • D
    Availability of nutrients.
✓

Answer

Correct option: A.
Breeding of animals.
Temperature changes may hamper the growth of aquatic plants. Availability of nutrients in water does not depend on temperature but on availability of minerals in the substratum. Temperature fluctuations in water affect digestion in aquatic animals but it will have no effect on digestion in land animals. Thus, other options can be ruled out.

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