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Question
Assertion :Mass or bulk flow is the movement of substances in bulk from source to sink as a result of pressure differences. Reason: Water, minerals and food are generally moved by mass flow.
Assertion :Mass or bulk flow is the movement of substances in bulk from source to sink as a result of pressure differences. Reason: Water, minerals and food are generally moved by mass flow.
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Solution
The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
- Mass or bulk flow is the movement of substances in bulk from source to sink as a result of pressure differences. Fluids (water, minerals, and food) are generally moved by mass flow.
- The reason for bulk flow is usually pressure or temperature gradient.
- Examples of mass flow include blood circulation and transport of water in vascular plant tissues. Mass flow is not to be confused with diffusion which depends on concentration gradients within a medium rather than pressure gradients of the medium itself.
- So the correct option is B.
- Mass or bulk flow is the movement of substances in bulk from source to sink as a result of pressure differences. Fluids (water, minerals, and food) are generally moved by mass flow.
- The reason for bulk flow is usually pressure or temperature gradient.
- Examples of mass flow include blood circulation and transport of water in vascular plant tissues. Mass flow is not to be confused with diffusion which depends on concentration gradients within a medium rather than pressure gradients of the medium itself.
- So the correct option is B.
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