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Plant Hormones

Total questions: 17

Worksheet time: 9mins

Name
Class
Date
1.

The growth hormone that is used to speed up the ripening of fruits for export is

a)

giberellin.

b)

ethylene.

c)

cytokinin.

d)

auxin.

2.
Which plant hormone is a gas?
a)
auxin
b)
gibberellin
c)
ethene
d)
cytokinin
3.

which plant hormone produces opposite effects?

a)

dormancy and cotyledons

b)

dormancy and germination

c)

auxin and cytokins

d)

auxins and ethylene

4.

Hormones that breaks seed dormancy and promote germination

a)

gibberellins

b)

Auxins

5.

Hormone that promote growth of internodes by cell elongation

a)

Auxin

b)

Gibberellin

c)

Both

d)

None

6.

What happens when you place an over ripe banana in a fruit bowl with other fruit?

a)

Nothing will happen

b)

The other fruit will grow in size

c)

Ethylene gas will cause the fruit to grow mold

d)

Ethylene gas will cause the other fruit to ripen

7.

Phototropism is

a)

The plant response to water

b)

The plant response to light

c)

The plant response to gravity

d)

The plant response to soil

8.

Which of the following are plant hormones

a)

Auxin

b)

Cytokinin

c)

Gibberellin

d)

Abcissic acid, ethylene

e)

All

9.

Inhibits cell division

a)

abscisic acid

b)

auxin

c)

cytokinins

d)

gibberellin

e)

ethylene

10.

What does the Xylem transport?

a)

Water and Minerals

b)

Glucose

c)

Blood

d)

Chlorophyll

11.

What does the Phloem transport?

a)

Water and Minerals

b)

Glucose

c)

Blood

d)

Chlorophyll

12.

In a plant, water is transported from the roots to the...

a)

Flowers

b)

Seeds

c)

Leaves

d)

Phloem

13.

Phloem tubes transport substances..

a)

From the roots to the stem and leaves

b)

From the leaves to the rest of the plant

14.

Recall the main funtion of a phloem cell.

a)

To transport nutrients (mainly sucrose) to different parts of a plant.

b)

To transport water to different parts of a plant.

c)

To make energy for the plant via photosynthesis.

d)

To provide structural support to a plant.

15.
Which of the following, found ONLY in plant cells, provides structure?
a)
cell wall
b)
chloroplast
c)
mitochondria
d)
vacuole
16.

Active transport is the movement of substances

a)

from an area of lower concentration to higher concentration

b)

from an area of lower concentration to lower concentration

c)

from an area of higher concentration to lower concentration

d)

from an area of higher concentration to higher concentration

17.

Structure of phloem consists all below, except?

a)

Sieve tube element

b)

Tracheids

c)

Companion cell

d)

Sieve plate