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Worksheetsplant hormones
Total questions: 10
Worksheet time: 5mins
Auxins are responsible for _____________ of a plant
Colour change
Watering
Phototropism
Growth
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
Phototropism is
The plant response to water
The plant response to light
The plant response to gravity
The plant response to soil
Geotropism is
The plant response to light
The plant response to water
The plant response to soil
The plant response to gravity
Causes the enlargement of fruits
abscisic acid
auxin
cytokinins
gibberellin
ethylene
Causes apical dominance
abscisic acid
auxin
cytokinins
gibberellin
ethylene
Inhibits cell division
abscisic acid
auxin
cytokinins
gibberellin
ethylene
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.
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?
P only.
R only.
P and R only.
P, Q and S only.
The figure below above shows an experiment to study the effect of auxin towards the growth of the coleoptiles. Which of the following conclusions are true about the experiment?
I Auxin is produced at the tip of the
coleoptiles and diffuses to the bottom to stimulate
growth.
II The supply of auxin is cut off in the
dark.
III Auxin cannot penetrate a mica plate.
IV Auxin can diffuse through a block of
agar-agar.
I, II and III only.
I, III and IV only.
II, III and IV only.
I, II, III and IV.
