Sponsor Area

Reproduction In Organisms

Question
CBSEENBI12003437

Assertion : Rice field is an ecosystem for plants and animals.

Reason : Gut of human/animals is an ecosystem for flora and fauna.

  • 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.

The human digestive system consist of about trillions of micro- organisms colonising the gut. Therefore, it is said to be rich in flora and fauna. The micro-orgnaisms perform various functions such as-

  1. fermenting unused energy substrates
  2. training the immune system
  3. preventing growth of pathogenic bacteria
  4. regulating the development of gut producing vitamins for the host.

Fish culture is done in combination with a rice crop, so that they are grown in the water. Therefore, it is an ecosystem inhabitaing plants and animals.