

McqMate
Q. |
Element involved in stomatal regulation its opening and closing is(CPMT 1989, 2004, Kerala 2000, Manipal 2001, Pb. PMT 2001, Uttrakhant 2001, DPMT 2002, Wardha 2003, 2011, AMU 2005) |
A. | Zinc |
B. | Magnesium |
C. | Potassium |
D. | Iron |
Answer» A. Zinc |
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