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AAKASH SERIES-TRANSPORT IN PLANTS -EXERCISE III
- The water potential of pure water is:
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- Which of the following facillitates opening of stomatal aperture ?
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- Specialized epidermal cells surrounding the guard cells are called
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- The phloem sap is
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- Water vapour comes out from the plant leaf through the stomatal openin...
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- Root pressure is usually because of
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- Roots play insignificant role in absorption of water in
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- A column of water within xylem vessels of tall trees does not break un...
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- Transpiration and root pressure cause water to rise in plants by
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- The osmotic expansion of a cell kept in water is chiefly regulated by
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- Lenticels are involved in
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- Which of the following criteria does not pertain to facilitated transp...
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- Which one of the following is correctly matched
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- Guard cells differ from other epidermal cells in having
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- Which one of the following elements in plants is not remobilised ?
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- Guttation is the result of
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- Which one of the following structures between two adjacent cells is an...
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- Guard cells helps in
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- The rupture and fraction do not usually occur in the water column in v...
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- Two cells A & B are contiguous. Cell A has osmotic pressure 10 atm, tu...
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