Biology
Assertion (A): Flora and fauna of forests differ throughout the world.
Reason (R): Different regions of the world have different climatic conditions, so only those plants and animals that are adapted to those conditions can survive there.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R is not the correct explanation of A.
- A is true but R is false.
- A is false but R is true.
Ecosystems
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Answer
Both A and R are true and R is the correct explanation of A.
Reason — A is true as the flora (plants) and fauna (animals) of forests vary in different parts of the world because environmental conditions are not the same everywhere. The climatic conditions significantly affect the type of plants and animals that can survive in a forest. R is true as different regions have different climates (temperature, rainfall, humidity, etc.), and only organisms that are adapted to those conditions can survive there.
Therefore, Both A and R are true and R is the correct explanation of A is the correct option.
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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 and R is the correct explanation of A.
- Both A and R are true but R is not the correct explanation of A.
- A is true but R is false.
- A is false but 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 and R is the correct explanation of A.
- Both A and R are true but R is not the correct explanation of A.
- A is true but R is false.
- A is false but R is true.
Assertion (A): Scavengers are considered as cleaners of the earth as they feed on dead animal and plant remains.
Reason (R): Scavengers consume the remains left by detritivores and decomposers.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R is not the correct explanation of A.
- A is true but R is false.
- A is false but 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.