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Plant Growth and Development
Functions of phytohormones
1 question from 1 paper, each with its answer.
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Concepts tested
- Functions of phytohormones
All Questions
2020 Phase-2 1 question
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Match the following concerning the activity/function and the phytohormone involved.
Pick the matching item from Column II for each row.
Column I
- a. Fruit ripener
- b. Herbicide
- c. Bolting agent
- d. Stress hormone
Column II
- i. Abscisic acid
- ii. GA3
- iii. 2,4-D
- iv. Ethephon
Correct answer: a → iv, b → iii, c → ii, d → i
Fruit ripener is Ethephon (a-iv); Herbicide is 2,4-D (b-iii); Bolting agent is $GA_3$ (c-ii); Stress hormone is Abscisic acid (d-i).
