Consider the following statements about ethylene
a) It breaks seed and bud dormancy, initiates germination in peanut seeds and sprouting of potato tubers
b) Ethylene promotes rapid internode/petiole elongation in deep water rice plants
c) Spraying juvenile conifers with ethylene hastens the maturity period, thus leading to early seed production
d) It helps leaves/upper parts of the shoot to remain above water
e) Ethylene controls xylem differentiation and helps in cell division
f) Ethylene also promotes root growth and root hair formation, thus helping the plants to
increase their absorption surface
How many of the above statements are correct ?

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Four

Five

Two

Three

answer is C.

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Detailed Solution

Correct statements regarding ethylene are :-

· It breaks seed and bud dormancy, initiates germination in peanut seeds and sprouting of potato tubers

· Ethylene promotes rapid internode/petiole elongation in deep water rice plants

· It helps leaves/upper parts of the shoot to remain above water

· Ethylene also promotes root growth and root hair formation, thus helping the plants to increase their absorption surface

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