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What are Gibberellins? Explain the role of Gibberellins in plants.

Important Questions on Chemical Messages for Homeostasis

EASY
Science>Biology>Chemical Messages for Homeostasis>Plant Hormones
Write the name and function of any other two hormones occur naturally in plants.
MEDIUM
Science>Biology>Chemical Messages for Homeostasis>Plant Hormones

Write the names and functions of four plant hormones.

EASY
Science>Biology>Chemical Messages for Homeostasis>Plant Hormones
Which of the following is a plant hormone?
EASY
Science>Biology>Chemical Messages for Homeostasis>Plant Hormones
Which of the following is a plant hormone?
EASY
Science>Biology>Chemical Messages for Homeostasis>Plant Hormones
Answer the following question:
Name four plant hormones.
EASY
Science>Biology>Chemical Messages for Homeostasis>Plant Hormones
Analyse the role of synthetic plant hormone in increasing the production and solving the problem of weed in agriculture.
EASY
Science>Biology>Chemical Messages for Homeostasis>Plant Hormones

Which of the following is a plant hormone-

EASY
Science>Biology>Chemical Messages for Homeostasis>Plant Hormones
Which of the following is a plant hormone
MEDIUM
Science>Biology>Chemical Messages for Homeostasis>Plant Hormones
State two functions of ethylene.
MEDIUM
Science>Biology>Chemical Messages for Homeostasis>Plant Hormones
Hormones secreted by _____ are Auxin, Gibberellins, Cytokinin.
MEDIUM
Science>Biology>Chemical Messages for Homeostasis>Plant Hormones

Which of the following plant hormone inhibits plant growth-

MEDIUM
Science>Biology>Chemical Messages for Homeostasis>Plant Hormones

Expand the following biological abbreviation:

IAA

MEDIUM
Science>Biology>Chemical Messages for Homeostasis>Plant Hormones

A plant hormone which inhibits plant growth is -

HARD
Science>Biology>Chemical Messages for Homeostasis>Plant Hormones
What influences gibberellin hormone exert on the seeds and internode of plants. Explain.
EASY
Science>Biology>Chemical Messages for Homeostasis>Plant Hormones
Cell division in plants is promoted by:
EASY
Science>Biology>Chemical Messages for Homeostasis>Plant Hormones
Which of the following is a plant hormone?
EASY
Science>Biology>Chemical Messages for Homeostasis>Plant Hormones

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

Question Image

(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>Chemical Messages for Homeostasis>Plant Hormones
What are the functions of Abscisic acid?
MEDIUM
Science>Biology>Chemical Messages for Homeostasis>Plant Hormones

Expand the following biological abbreviation:

ABA

MEDIUM
Science>Biology>Chemical Messages for Homeostasis>Plant Hormones

State the main functions of the following:

Cytokinins.