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Chapter 9 Quiz 2 - T/F (Plant Hormones)

Total questions: 20

Worksheet time: 3mins

Name
Class
Date
1.

Cytokinin is synthesized mainly where there are high levels of auxin.

a)

TRUE

b)

FALSE

2.

Auxins bring about the division of the individual cells.

a)

TRUE

b)

FALSE

3.

The effect of fungus Gibberella fujikuroi is to produce a small crop.

a)

TRUE

b)

FALSE

4.

The main effect of cytokinin is to increase the rate of cell division.

a)

TRUE

b)

FALSE

5.

Hormones differ from vitamins and minerals as a class of movement.

a)

TRUE

b)

FALSE

6.

There are two main hormones known to occur naturally.

a)

TRUE

b)

FALSE

7.

Ethylene is important in the ripening of fruits.

a)

TRUE

b)

FALSE

8.

Cytokinin has the effect in increasing the rate of cell division.

a)

TRUE

b)

FALSE

9.

The plant hormone auxin is chemically indole acetic acid.

a)

TRUE

b)

FALSE

10.

Actively growing regions of a plant usually produce the small amount of auxins.

a)

TRUE

b)

FALSE

11.

The main effect of cytokinin is to decrease the rate of cell division.

a)

TRUE

b)

FALSE

12.

Ethylene is synthesized mainly where there are high levels of gibberellin.

a)

TRUE

b)

FALSE

13.

Traumatin is the flowering hormone.

a)

TRUE

b)

FALSE

14.

Hormones are chemical substances produced in minute quantity by certain parts of the body.

a)

TRUE

b)

FALSE

15.

Abscissin inhibits stem elongation, germination of seed and the sprouting of buds.

a)

TRUE

b)

FALSE

16.

Florigen in plant is regarded as “wound hormone".

a)

TRUE

b)

FALSE

17.

The chief growth hormone of plants is auxin.

a)

TRUE

b)

FALSE

18.

Cytokinin is synthesized mainly where there are high levels of auxin.

a)

TRUE

b)

FALSE

19.

There is a clear evidence for existence of the florigen in plants.

a)

TRUE

b)

FALSE

20.

Hormones differ from vitamins and minerals as a class of movement factors.

a)

TRUE

b)

FALSE