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Plant Hormone

Total questions: 16

Worksheet time: 11mins

Name
Class
Date
1.

In the story 'Jack and the beanstalk', Jack grew a beanstalk that grew way into the clouds. If I wanted to try and grow one myself, which plant hormone would I give my beanstalk?

a)

Cytokinesis

b)

Ethylene

c)

Auxins

d)

Gibberellins

2.

Auxins are responsible for _____________ of a plant

a)

Colour change

b)

Watering

c)

Phototropism

d)

Growth

3.

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

4.

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

5.
The root of a plant growing down. 
a)
Positive Gravitropism 
b)
Negative Gravitropism 
c)
Thigmotropism
d)
Hydrotropism
6.

what type of tropism is occurring on the root?

a)

phototropism

b)

thigmotropism

c)

geotropism

d)

tropictropism

7.
Which plant hormone is a gas?
a)
auxin
b)
gibberellin
c)
ethene
d)
cytokinin
8.
Which hormone promotes seed germination?
a)
abscisic acid
b)
ethylene
c)
gibberellin
d)
auxin
9.
Negative gravitropism is exhibited in ____, because there is more auxin on _____ side of a shoot.  
a)
shoots, shaded
b)
shoots, light
c)
roots, shaded
d)
roots, light
10.
Helps fruit ripen
a)
Auxin
b)
Gibberellin
c)
Cytokinins
d)
Ethene
11.

The figure above shows four coleoptiles P, Q, R and S that are exposed to unilateral light. After two days, which coleoptile will move towards the light?

a)

P only.

b)

R only.

c)

P and R only.

d)

P, Q and S only.

12.

When creating seedless fruit, what type of flowers are sprayed with ethylene gas?

a)

pollinated

b)

unpollinated

c)

older

d)

small

13.

Inhibits cell division

a)

abscisic acid

b)

auxin

c)

cytokinins

d)

gibberellin

e)

ethylene

14.

What is the function of abscisic acid ?

4 lines
15.

What is the difference between ethylene and ethene ?

4 lines
16.

What is abscission ?

a)

Growth of coleoptile

b)

Cell lengthening

c)

Geo tropism

d)

Shedding of leaf