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Which hormone helps the plant cells to grow longer?

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Important Questions on Control and Coordination

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Science>Biology>Control and Coordination>Coordination in Plants
Write the name and function of any other two hormones occur naturally in plants.
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Science>Biology>Control and Coordination>Coordination in Plants

Write the names and functions of four plant hormones.

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Science>Biology>Control and Coordination>Coordination in Plants
Which of the following is a plant hormone?
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Science>Biology>Control and Coordination>Coordination in Plants
Which of the following is a plant hormone?
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Science>Biology>Control and Coordination>Coordination in Plants
Answer the following question:
Name four plant hormones.
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Science>Biology>Control and Coordination>Coordination in Plants
Analyse the role of synthetic plant hormone in increasing the production and solving the problem of weed in agriculture.
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Science>Biology>Control and Coordination>Coordination in Plants

Which of the following is a plant hormone-

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Science>Biology>Control and Coordination>Coordination in Plants
Which of the following is a plant hormone
MEDIUM
Science>Biology>Control and Coordination>Coordination in Plants
State two functions of ethylene.
MEDIUM
Science>Biology>Control and Coordination>Coordination in Plants
Hormones secreted by _____ are Auxin, Gibberellins, Cytokinin.
MEDIUM
Science>Biology>Control and Coordination>Coordination in Plants

Which of the following plant hormone inhibits plant growth-

MEDIUM
Science>Biology>Control and Coordination>Coordination in Plants

Expand the following biological abbreviation:

IAA

MEDIUM
Science>Biology>Control and Coordination>Coordination in Plants

A plant hormone which inhibits plant growth is -

HARD
Science>Biology>Control and Coordination>Coordination in Plants
What influences gibberellin hormone exert on the seeds and internode of plants. Explain.
EASY
Science>Biology>Control and Coordination>Coordination in Plants
Cell division in plants is promoted by:
EASY
Science>Biology>Control and Coordination>Coordination in Plants
Which of the following is a plant hormone?
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Science>Biology>Control and Coordination>Coordination in Plants

The changes that are likely to happen in the plant in the following picture:

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(A) A hormone abscisic acid is synthesised at the shoot tip.

(B) When light is coming from one side of the plant, auxin diffuses towards the shady side of the plant.

(C) Abscisic acid helps the cells to grow longer.

(D) Cells grow longer on the side of the shoot which is away from light.

Select the correct option.

EASY
Science>Biology>Control and Coordination>Coordination in Plants
What are the functions of Abscisic acid?
MEDIUM
Science>Biology>Control and Coordination>Coordination in Plants

Expand the following biological abbreviation:

ABA

MEDIUM
Science>Biology>Control and Coordination>Coordination in Plants

State the main functions of the following:

Cytokinins.