Sponsor Area

Reproduction In Organisms

Question
CBSEENBI12003438

Assertion :Now-a-days, the biodiversity is declining with an accelerated rate.

Reason : Exotic species are considered to be a major cause of extinction of species.

  • If both assertion and reason are true and reason is the correct explanation of assertion.

  • If both assertion and reason are hue but reason is not the correct explanation of assertion.

  • If assertion is true but reason is false.

  • If both assertion and reason are false.

Solution

B.

If both assertion and reason are hue but reason is not the correct explanation of assertion.

There are four major causes of species extinction due to human interference.

  1. habitat loss and fragmentation
  2. over- exploitation
  3. alien species invasions
  4. co- extinctions

The exotic species are considered to be second major cause of extinction of species (the first being habitat destruction).