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Question

Assertion (A): Active transport is uphill transport.

Reason (R): Active transport uses energy to pump molecules against the concentration gradient.


A

Both A & R are true and R explains A

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B

Both A & R are true and R doesn't explain A

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C

A is true and R is false

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D

Both A & R are false

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Solution

The correct option is A

Both A & R are true and R explains A


Active transport uses energy to pump molecules against concentration gradient i.e from the region of lower concentration to higher concentration and hence the transport is referred as uphill transport.


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