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Difference Between Active and Passive Transport MCQ - Practice Questions with Answers

Edited By admin | Updated on Sep 18, 2023 18:34 AM | #NEET

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  • 14 Questions around this concept.

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Sodium and Potassium pumps are examples of

Which of the following is not true about active transport ? 

Active transport is characterized by

 

Movement and accumulation of ions across a membrane against their concentration gradient can be explained by

Statement 1: In Active absorption in plants, no metabolic energy is needed.

Statement 2: In Active water absorption, metabolic energy is needed by the root cells.

Choose the correct option considering both statements

Active transport uses the energy from_________ to transport the molecules from outside to inside across a membrane 

In Active absorption,  _______cells of the plant play an active role in the absorption of water and metabolic activities

 

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Which of the following statements about active transport is incorrect?

Carrier proteins take part in

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Which of the following statements regarding membrane transport is false?

 

Concepts Covered - 0

Active Transport
  • It refers to the uphill transport of particles against their concentration gradient.
  • When the particles have to move against their concentration gradient, that is, from the region of their lower concentration to the region of their higher concentration, energy has to be spent.
  • Hence, special membrane proteins called pumps play an important role in the uphill transport.
  • Pumps are the proteins that use energy for the uphill transportation of the particles. 
  • The pump proteins are highly specific and can be inhibited by inhibitors that react with the side chain of the proteins.
  • For example, sodium-potassium pumps.
     
Comparison between different types of transport mechanisms

Comparison between different types of transport mechanisms:

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