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Which phytoho...

Question

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

A

A B A

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B

G A_{3}

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C

C_{2} H_{4}

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D

C_{2} H_{2}

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Solution

The correct option is D $C_{2} H_{4}$
Ethylene is a simple Gaseous PGR(Plant growth regulator). The hormone finds its use in increasing the yield of cucumber plant by increasing the female flower formation.
So, the correct answer is 'Ethylene(C $_{2}$ H $_{4}$ )'.

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Similar questions

Q. A plant hormone that promotes female flowers in cucumber is:

Assertion (A): Ethylene increases the yield of cucumbers

Reason(R): Ethylene promotes female flowers in cucumber

Q. Which the following commercial application of phytohormones are correct?
A. Auxins are extensively used in agriculture to promote flowering in pineapples.
B. Ethephon is used for promoting female flower in cucumbers, thereby increase the yield.
C. Abscisic acid is of great use in the ripening the fruits like mango, orange, pineapple etc.
D. Cytokinins are used for keeping freshness in leafy and green vegetables.

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

Q. Identify the physiological process induced by two phytohormones having a common precursor which is formed due to catalytic activity of pyruvic dehydrogenase complex
(a) More female flowers in Cucumber
(b)

α

-amylase production in Barley grains
(c) Acceleration of fruit ripening in Tomato
(d) Delay in sprouting of Potato tubers.

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