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Which of the following essential element...

Which of the following essential elements plays an important role in opening and closing of stomata?

A

Mg

B

K

C

Mn

D

P

Text Solution

Verified by Experts

The correct Answer is:
B
Potassium (K) helps to determine anion-cation balance in cells, and is involved in protein synthesis, opening and closing of stomata, activation of enzymes, and maintenance of turgidity of cells. It is absorbed as `K^(+)` ion by plants from the soil
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NCERT FINGERTIPS-MINERAL NUTRITION-Mineral Nutrition
  1. The non-mineral elements are

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  2. Phosphorus (P) is a structural element of

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  3. Which of the following essential elements plays an important role in o...

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  4. Which of the following is not one of the three plants macronutrietns i...

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  5. Minerals which maintain cation-anion balance in cells are

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  6. Sulphur is a constituents of which of the following amino acids?

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  7. Which of the following elements are required for chlorophyll synthesis...

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  8. Some fundtion of a nutrients element are given below (i). Important ...

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  9. Which of the following minerals activate the enzymes involved in respi...

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  10. Best defined function of manganese in green plants is

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  11. Select the correctly matched pair

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  12. Minerals associated with redox reaction are

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  13. Select the incorrectly matched pair.

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  14. The two elements responsible for splitting of H(2)O to liberate O(2) d...

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  15. Deficiency symptoms of readily mobilised essential elements will first...

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  16. Read the given statements and select the correct option Statement-1:...

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  17. Deficiency symptoms tend to appear first inwhenever the essential elem...

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  18. While in N, K and Mg deficiency, chlorosis appears first in leaves, in...

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  19. Chlorosis, i.e., loss of chlorophyll leading to yellowing in leaves, i...

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  20. Necrosis refers to

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