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Biodiversity and Conservation — BIOLOGY STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceBIOLOGYBiodiversity and Conservation1 Mark
Question
For question two statements are given-one labelled Assertion and the other labelled Reason. Select the correct answer to these questions from the codes (a), (b), (c) and (d) as given below.
  1. Both assertion and reason are true and reason is the correct explanation of assertion.
  2. Both assertion and reason are true but reason is not the correct explanation of assertion.
  3. Assertion is true but reason is false.
  4. Both assertion and reason are false.
Assertion: Communities with more species tend to be more stable than those with less species.
Reason: Conununities with more species is not able to resist occasional disturbances.
✓

Answer

  1. Assertion is true but reason is false.

Explanation:

Communities with more species is more stable than the communities with less species. Large number and varieties of species influences biotic interactions among the community and therefore stability of the community. It is able to resist occasional disturbances.

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