Function of zinc in plants is
Options
(a) sugar transport (b) activation of enzymes (c) cell elongation (d) pollen germination
Correct Answer:
activation of enzymes
Explanation:
No explanation available. Be the first to […]
Active transport is characterized by
Options
(a) requires special membrane (b) highly selective (c) requires ATP energy (d) all of the above
Correct Answer:
all of the above
Explanation:
No explanation available. Be […]
Cohesion and adhesion is also called as
Options
(a) transpiration pull theory (b) root pressure theory (c) theory of capillarity (d) relay pump theory
Correct Answer:
transpiration pull theory
Explanation:
No explanation available. […]
Force generated by transpiration can create pressure sufficient to lift water even up to the height of
Options
(a) 130 feet (b) 130 metre (c) 230 feet (d) 230 metre
Correct Answer:
130 […]
…. Is part of symplast
Options
(a) Cytoplasm (b) Protoplast (c) Plasmodesmata (d) Cytoplasm & Protoplast &Plasmodesmata
Correct Answer:
Cytoplasm & Protoplast &Plasmodesmata
Explanation:
No explanation available. Be the first to write the […]
Active and passive transports across cell membrane differ in
Options
(a) passive transport is non selective (b) passive transport is along the concentration gradient while active transport is due to metabolic energy (c) […]
For a plasmolysed cell which equation is correct?
Options
(a) DPD = OP + TP (b) DPD = TP (c) DPD = OP (d) DPD = OP- TP
Correct Answer:
DPD = OP
Hydroponics is
Options
(a) cultivation of plants in water (b) growth of plants towards water (c) growth of plants away from water (d) soil-less cultivation of plants
Correct Answer:
soil-less cultivation of plants
Then process of the escape of liquid from tip of uninjured leaf is called
Options
(a) guttation (b) transpiration (c) evaporation (d) evapo-transpiration
Correct Answer:
guttation
Explanation:
No explanation available. Be the first […]
Which of the following gene is responsible for biological nitrogen fixation
Options
(a) nitrogenase (b) Nif gene (c) yeast alanine t-RNA synthetase (d) RNA synthetase
Correct Answer:
Nif gene
Explanation:
No explanation available. […]
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