Who explained the scotoactive opening of stomata?

Nishida

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Palls

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Ehrler

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None of the above

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Solution

The correct option is A Nishida
Some stomata open during night and remain closed during the day time. This type of stomatal is called scotoactive stomata. They occur in succulents e.g., Cactus, Bryophyllum. This mechanism was explained by Nishida (1963).

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Similar questions

(A) Scotoactive stomata	(i) Opening and closing of photoactive stomata
(B) Guttation	(ii) Transpiration
(C)Tensile strength	(iii) Water loss in liquid phase
(D) K $^{+}$ pump theory	(iv) Night transpiration

Match the above columns and choose the correct combination.

	LIST I		LIST II
A.	Scotoactive stomata	1.	Opening and closing of photo active stomata
B.	Guttation	2.	Transpiration
C.	Tensile strength	3.	Water loss in liquid phase
D.	K $^{+}$ pump theory	4.	Night transpiration
		5.	Antitranspirant

Assertion (A): Scotoactive stomata are found in succulent xerophytes

Reason (R): Presence of scotoactive stomata is a type of xeric adaptations of succulent plants

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