[Solved] What is main difference between active and passive transport? (CBSE 1993)

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Q.	What is main difference between active and passive transport? (CBSE 1993)
A.	Active transport occurs by ATP.
B.	Active transport occurs fast.
C.	Energy is necessary for passive transport.
D.	Passive transport is a non-selective transport.
Answer» A. Active transport occurs by ATP.

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