Which of the following is essential for plant growth? |
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a) |
|
b) |
|
c) |
Nutrients |
d) |
All of these |
Which of the following is essential for plant growth? |
|||||||
a) |
|
b) |
|
c) |
Nutrients |
d) |
All of these |
(d) Water, oxygen, nutrients and other factors are very essential elements for growth (i) The plant cells grow in size by cell enlargement, which in turn requires water. Turgidity of cells help in extension growth. Thus, plant growth and further development are intimately linked to the water status of the plant (ii) Water also provides the medium for enzymatic reaction (iii) Oxygen helps in releasing metabolic energy essential for growth activities (iv) Nutrients are required by plants for the synthesis of protoplasm and all as sources of energy |
Identify the pair of physiological effects of two phytohormones, which are synthesized from different amino acids?
|
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a) |
II and IV |
b) |
I and IV |
c) |
II and III |
d) |
I and II |
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