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Role of Ethylene

A plant hormo...

Question

A plant hormone that promotes female flowers in cucumber is:

A

2,4-D

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B

Ethylene

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C

NAA

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D

Abscisic acid

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Solution

The correct option is B Ethylene
Ethylene is a simple gaseous natural plant growth hormone. Cucumber has separate male and female flowers. Ethylene increases the number of female flowers in cucumber and thereby enhances the yield.

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Similar questions

Assertion (A): Ethylene increases the yield of cucumbers

Reason(R): Ethylene promotes female flowers in cucumber

Q. Which phytohormone is responsible for the promotion of female flowers in cucumber?

Q. A farmer grows cucumber plants in his field. He wants to increase the number of female flowers in them. Which plants growth regulator can be applied to achieve this.

Question 19:

A farmer grows cucumber plants in his field. He wants to increase the number of female flowers in them. Which plant growth regulator can be applied to achieve this?

Q. How many following statements are correct for ethylene ?

1) Ethylene breaks the seed and bud dormancy
2) Ethylene promotes rapid petiole elongation in deep water rise plant
3) Ethylene promotes root growth and root hair formation
4) Ethylene promotes female flowers in cucumbers

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Role of Ethylene

Standard XII Biology

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