Biology
Assertion (A): Flora and fauna of a forest are always the same throughout the world.
Reason (R): Usually, forest contains very big trees and animals. So, whatever climatic conditions are present, plants and animals remain the same.
- Both A and R are true.
- Both A and R are false.
- A is true and R is false.
- A is false and R is true.
Ecosystems
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Answer
Both A and R are false.
Explanation — Flora and fauna of a forest can never be the same throughout the world. Also, the climatic conditions significantly affect the type of plants and animals that can survive in a forest. They do not remain the same everywhere.
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Related Questions
Assertion (A): An ecosystem consists of two categories of components Biotic and Abiotic which are interdependent on each other.
Reason (R): Biotic components are dependent on abiotic components but never on other biotic components.
- Both A and R are true.
- Both A and R are false.
- A is true and R is false.
- A is false and R is true.
Assertion (A): Symbiosis, parasitism and predation are the categories of interdependence between organisms, which are the ways of transferring energy.
Reason (R): The transfer of energy from one trophic level to the other always occurs through the food chain.
- Both A and R are true.
- Both A and R are false.
- A is true and R is false.
- A is false and R is true.
Assertion (A): Scavengers are considered as cleaners of the earth as they feed on dead animal and plant materials remains.
Reason (R): Scavengers consume the remains left by detritivores and decomposers.
- Both A and R are true.
- Both A and R are false.
- A is true and R is false.
- A is false and R is true.
Fill in the blanks :
(a) Lichens are the good example of …………… association.
(b) Two intermediate hosts of liver fluke are …………… and …………… .
(c) Evergreen trees are common flora of …………… forests.
(d) …………… will always be trophic level-1 in a food chain.
(e) …………… sanctuary is found in West Bengal which is famous for rhinoceros.