Assertion Reason Test: Transport In Plants - NEET MCQ
10 Questions MCQ Test - Assertion Reason Test: Transport In Plants
A: Xerophytes have high water retaining capacity.
R: They have high OP.
A: There is an indirect relationship between the rate of respiration and water absorption.
R: Increased metabolism increases mineral uptake.
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A: Root pressure is dynamic and is always a positive hydrostatic pressure.
R: It is a universal phenomenon and develops under absorption lag.
A: Stomata have delegated the task of providing food while preventing thirst.
R: They are made for gaseous exchange.
A: During stomatal opening, there is a relative change in TP of guard cell and subsidiary cell.
R: TP of subsidiary cells decreases during the opening, and that of guard cells increase.
A: Pumps are proteins that use energy to transport substances.
R: Pumps are highly specific, like enzymes.
A: Endodermis onwards movement of water occurs through the living part of the cell.
R: Inner boundary of the cortex possesses an impermeable band of lignified matrices.
A: Water is transient in plants.
R: More than 1 percent of the water reaching the leaves is used in photosynthesis and plant growth.
A: The translocation in phloem is bidirectional.
R: The source and sink relationship is variable.
A: Most minerals must enter the root by active absorption into the cytoplasm of epidermal cells.
R: Minerals are present in the soil as charged particles.
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