Question

Red Data Book deals with

• A. Organism on the verge of extinction
• B. Endemic plants
• C. Organisms showing photoperiodism
• D. Organisms that are extinct

Answer 1

The correct option is A

Organism on the verge of extinction

The correct option is A.

Explanation of correct option:

1. Red Data Book is a state document established for documenting rare and endangered species.
2. It contains the complete list of threatened species.

Explanation of incorrect options:

Option B

Endemic plants are those plants found in particular geographical regions.

Option C

Photoperiodism is a physiological response of plants and animals to the length of day and night.

Option D

Extinct species that have stopped breeding and no longer exist.

Final answer: Red Data Book deals with organisms on the verge of extinction.