Plant Hormones Quiz

Plant Hormones Quiz

12th Grade

10 Qs

quiz-placeholder

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Plant Hormones Quiz

Plant Hormones Quiz

Assessment

Quiz

Biology

12th Grade

Hard

Created by

SHEELA PRADHAN

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary function of auxins in plants?

Promoting cell elongation and growth

Inhibiting cell elongation and growth

Regulating photosynthesis

Controlling water uptake

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do auxins promote cell elongation in plants?

By inhibiting cell division

By decreasing the plasticity of the cell wall

By reducing water uptake in the cells

By increasing the plasticity of the cell wall

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Name the plant hormone responsible for phototropism and geotropism.

ethylene

auxin

gibberellin

cytokinin

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Explain the role of auxins in apical dominance.

Auxins promote the growth of lateral buds

Auxins inhibit the growth of lateral buds

Auxins have no effect on lateral buds

Auxins stimulate the growth of apical buds

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of gibberellins in seed germination?

Cause seed germination by inducing dormancy

Promote seed germination by breaking dormancy and stimulating enzyme production

Have no effect on seed germination

Inhibit seed germination by preventing enzyme production

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do gibberellins promote stem elongation in plants?

By reducing water uptake in the stem tissues

By promoting leaf growth instead of stem growth

By stimulating cell division and elongation in the stem tissues

By inhibiting cell division in the stem tissues

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Name the plant hormone responsible for inducing dormancy in seeds and buds.

ABA

Auxin

Gibberellin

Cytokinin

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