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Assertion: Food chain is responsible for...

Assertion: Food chain is responsible for the entry of harmful chemicals in our bodies.
Reason: The length and complexity of food chains vary greatly.

A

Both Assertion and Reason are true and Reason is the correct explanation of Assertion.

B

Both Assertion and Reason are true but Reason is NOT the correct explanation of Assertion.

C

Assertion is true but Reason is false.

D

Assertion is false and Reason is true.

Text Solution

Verified by Experts

The correct Answer is:
B
Through bio magnification, harmful chemicals that are not metabolised by our body pass into the food chain, irrespective of the length and complexity of the food chain, which may vary in nature.
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Knowledge Check

  • In most food chains,

    A
    there are fewer individuals at the top predator level than at the second trophic level.
    B
    there is less usable energy at the herbivore level than at the carnivore level.
    C
    there are few individuals at the decomposer level.
    D
    there is less usable energy* at the auto-trophic level than at the carnivore level.

  • Food chain consists of

    A
    Producer, consumer and deocomposer
    B
    Producer, carnivore and decomposer
    C
    Producer and primary consumer
    D
    Producer, herbivore and carnivore

  • Food chains are met only in the:

    A
    sea
    B
    forests
    C
    deserts
    D
    in all of these places

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