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Last Updated On [03-11-2023]

 is an essential elements in plants. The major function it performs is

a)

Selective permeability of the cell membrane

b)

Maintenance of the cell turgidity

c)

Energy transfer

d)

Increases hardness of the cell wall


Question ID - 4335 :-

 is an essential elements in plants. The major function it performs is

a)

Selective permeability of the cell membrane

b)

Maintenance of the cell turgidity

c)

Energy transfer

d)

Increases hardness of the cell wall

1 Answer
5876 Votes
3537

Answer Key : (d) -

(d)

One of the major function of  or calcium ion is to increase the handnsi of cell well other function are

(i) Organisation of mitotic spindle

(ii) Meristematic activity

(iii) Metabolism

(iv) Prevention of mineral and organic acid toxicity

(v) Secondary messenger for some hormonal signals



Next Question :

On the basis of symptoms of chlorosis in leaves, a student inferred that this was due to the deficiency of nitrogen. This inference could be correct only if we assume that yellowing of leaves appeared first in

a)

Old leaves

b)

Young leaves

c)

Young leaves followed by mature leaves

d)

Young leaves followed by young leaves


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