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PLANT HORMONES

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

Which of the following plant hormone promotes apical dominance in plants?

a)

Auxins

b)

Cytokinins

c)

Gibberellins

d)

Abcisic acid

2.

Which of the following hormone promotes the growth of lateral bud meristem?

a)

Auxins

b)

Cytokinins

c)

Gibberellins

3.

Which of the following is called stress hormone?

a)

Auxins

b)

Cytokinins

c)

Gibberellins

d)

Abscisic Acid

4.

Abscisic Acid is called due to its .......nature?

a)

Acidic nature

b)

Basic nature

5.

During water deficiency and drought the concentration of ..............increases.

a)

Auxins

b)

Cytokinins

c)

Gibberellins

d)

Abscisic acid

6.

Which of the following pair of hormones are used in tissue culture to promote cell division?

a)

Auxins and Cytokinins

b)

Gibberellins and Cytokinins

7.
a)

Which of the following hormone promotes flowering?

b)

Auxins

c)

Cytokinins

d)

Gibberellins

8.

Leaf abscission involves .......auxins and increased ethylene production.

a)

decrease

b)

increase

9.

Which of the following hormone causes lengthning of shoots and which travels towards the base?

a)

Auxins

b)

Cytokinins

10.

The effect of gibberellins restores normal growth in .........plants.

a)

tall plants

b)

dwarf plants

c)

none