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WorksheetsCAX IGCSE Biol Plant Hormones
Total questions: 13
Worksheet time: 8mins
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
The red arrow in the picture above is pointing to the ____________ system of the plant
Shoot
Root
Tip
Stem
Where is auxin formed
Tip of stem and root
Leaves
Embryo
All
Stimulates new root growth
abscisic acid
auxin
cytokinins
gibberellin
ethylene
what type of tropism is occurring here?
phototropism
thigmotropism
geotropism
tropictropism
What is the phenomenon that is affecting the growth of the bean shoot
gravitrophism
phototropism
thigmotrophism
rapid movement
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.
What is the reaction that is shown by the plant in the figure above?
Positive hydrotropism.
Negative phototropism.
Positive thigmotropism.
Negative geotropism.
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.
