The plants that occur naturally in arn regions show Both, transpiration is a necessary evil Curits, statement is correct in case of night or monday or dought

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Free Online Mock Biology Multiple Choice Test on Water Absorption Plants

Sub Category : Water Absorption Plants	Test : 7	Time Left :
1.Which of the statement is correct in case of night or monday or drought?
(1) Reversal of H+ - K+ pump (2) K+ decreases in guard cells (3) O.P of gurad cells lowered (4) All the above
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2.Who said that "transpiration is a necessary evil"?
(1) Curits (2) Steward (3) Meyer (4) Renner
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3.Rise in PH stimulates
(1) Stomatal opening (2) Transpiration rate increases (3) Both (1) and (2) (4) Stomatal closing
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4.The plants that occur naturally in arn regions show?
(1) Adaptations to reduce transpiration (2) Slow rates of growth (3) Both (1) and (2) (4) Increase transpiration
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5.How much amount of water absorbed by the plant is lost in transpiration??
(1) 100% (2) 80% (3) 90% (4) 98-99%

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Free Online Mock Biology Multiple Choice Test on Water Absorption Plants