NEW
Font size
WorksheetsAGR122 CHAPTER 7
Total questions: 19
Worksheet time: 7mins
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?
Cytokinesis
Ethylene
Auxins
Gibberellins
What happens when you place an over ripe banana in a fruit bowl with other fruit?
Nothing will happen
The other fruit will grow in size
Ethylene gas will cause the fruit to grow mold
Ethylene gas will cause the other fruit to ripen
The root of a plant growing down.
Positive Gravitropism
Negative Gravitropism
Negative Thigmotropism
Positive phototropism
Which of the following are plant hormones
Auxin
Cytokinin and Ethylene
Gibberellin
Abscisic acid
All
Which plant hormone is a gas?
auxin
gibberellin
ethylene
cytokinin
The figure above shows a mimosa plant. What is the conclusion that can be derived based on the reaction in the figure.
The mimosa plant shows a seismonastic reaction.
The leaf of the mimosa becomes sturgid when touched.
The osmotic pressure in the mimosa cell increases when touched.
The temperature of the glass rod becomes very high until the leaf fades when touched.
The figure above shows an experiment
that is done on two plants of the same species. Both plants are left in the open.
What will happen to the two plants after two weeks?
I Plant B bends towards the opening of
the box.
II The auxin in stem A is distributed
uniformly.
III The auxin in stem B is not distributed
uniformly.
IV Plant A bends to the right.
I, II and III only.
I, II and IV only.
I, III and IV only.
II, III and IV only.
When creating seedless fruit, what type of flowers are sprayed with ethylene gas?
pollinated
unpollinated
older
small
Stimulates cell division
abscisic acid
auxin
cytokinins
gibberellin
ethylene
Where is auxin formed
Tip of stem and root
Leaves
Embryo
All
Promotes seed dormancy
abscisic acid
auxin
cytokinins
gibberellin
ethylene
Causes the enlargement of fruits
abscisic acid
auxin
cytokinins
gibberellin
ethylene
What is abscission ?
Growth of coleoptile
Cell lengthening
Geo tropism
Shedding of leaf
A type of plant will grow tendrils and wind round a support. Name this type of reaction.
Tropism.
Nastic response.
Reflex action.
Taxis response.
What is the role of auxin that causes a plant to bend towards light?
The concentration of auxin in the plant increases when there is light.
Auxin causes uniform growth on every stem.
Auxin causes cells that are on the dark side to grow faster.
Auxin causes the increase in the number of plant cells.
My tomato seed wont grow. Which hormones can I use to make it start growing?
Auxins
Cytokinins
Ethylene
Abscisic acid
Gibberellins
I want to stop my plant from growing so tall. I want it to grow from the sides. Which hormone should I STOP using?
Auxins
Cytokinins
Ethylene
Abscisic acid
Gibberellins
My plant is losing a lot of water because it is hot today. Which hormone should I give it so that it will stop losing water?
Auxins
Cytokinins
Ethylene
Abscisic acid
Gibberellins
