Potassium is required by which of the following regions of plants I. Meristematic tissues II. Buds III. Leaves IV. Root tips |
|||||||
a) |
Only I |
b) |
I and IV |
c) |
II and IV |
d) |
All of these |
Potassium is required by which of the following regions of plants I. Meristematic tissues II. Buds III. Leaves IV. Root tips |
|||||||
a) |
Only I |
b) |
I and IV |
c) |
II and IV |
d) |
All of these |
(d) Potassium is absorbed as |
In root nodules of legumes, leghaemoglobin is important because it |
|
a) |
Transports oxygen to the root nodule |
b) |
Acts as an oxygen scavenger |
c) |
Provides energy to the nitrogen fixing bacterium |
d) |
Acts as a catalyst in transamination |
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