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TRANSPORT IN PLANTS
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Question 1 |
Stomata open when guard cells swell due to ..... [Odisha 2011]
Decreased water potential | |
Increased water potential | |
Endosmosis by efflux of K+ ions | |
Endosmosis by influx of hydrogen ions |
Question 2 |
Guttation is the process of elimination of water from plants through ..... [JIPMER 2005]
Stomata | |
Hydathodes | |
Lenticels | |
Wounds |
Question 3 |
Stomata close in response to ..... [AMU 2003]
Hot dry weather | |
Abscisic acid | |
Cytokinin | |
Both a and b |
Question 4 |
Water exudation through hydathodes is ..... [BHU 2000]
Guttation | |
Transpiration | |
Hydrolysis | |
Excretion |
Question 5 |
What will be the effect of accumulation of K+ ions in guard cells ..... [Guj CET 2007]
Loss of turgidity | |
Water potential decreases | |
Exosmosis | |
Water potential increases |
There are 5 questions to complete.