Cyclic-photophosphorylation results in the formation of
NADPH
ATP and NADPH
ATP,NADPH and oxygen
ATP
The first process by which water enters into the seed coat when a seed is placed in suitable environment for germination is
Osmosis
Active transport
Absorpour
Imbibition
Plant deficient of element zinc, shows its effect on the biosynthesis of plant growth hormone
Ethylene
Abscisic acid
Auxin
Cytokinin
Select the correct statement:
Legumes are incapable of fixing nitrogen
Legumes fix nitrogen through bacteria living in fruits.
Legumes fix through only by bacteria present in root nodules.
None of the above
Translocation of organic materials in plants is explained by
Transpiration pull
Inhibition theory
Mass-flow hypothesis
A nutritionally wild type organism, which does not require any additional growth supplement is known as
Phenotype
Holotype
Auxotroph
Prototroph
A leaf peeling of Tradescantia is kept in a medium having 10% NaCl. After a few minutes, if we observe the leaf peel under the microscope, we are likely to see
Entry of water into the cell
The cells bursting out
Diffusion of NaCl into the cell
Exit of water from the cell
A plant requires magnesium for
Holding cells together
Protein synthesis
Chlorophyll synthesis
Cell wall development
Potometer works on the principle of
Amount of water absorbed equals the amount transpired
Osmotic pressure
Root pressure
Potential difference between the tip of the tube and that of the plant.
In plants, water supply is due to
Guttation
Adhesion force
