WorksheetsTropisms
Total questions: 12
Worksheet time: 6mins
A tropism is...
a change in the environment
plant movement in response to a stimulus
something that causes a response
when photosynthesis takes place
What is the stimulus in this example?
Internal
Light
Touch
Temperature
The shoot of a plant growing up.
Positive geotropism
Negative geotropism
Thigmotropism
Hydrotropism
The root of a plant growing down.
Positive geotropism
Negative geotropism
Thigmotropism
Hydrotropism
A plant growing in response to a greenhouse light.
Geotropism
Phototropism
Thigmotropism
Hydrotropism
Which type of tropism is represented in the photograph?
Hydrotropism
Thigmotropism
Phototropism
Geotropism
Auxins are responsible for _____________ of a plant
Colour change
Watering
Phototropism
Growth
How could negative geotropism be defined?
The stem growing away from sunlight
Roots growing in the direction of gravity
the tendency of plant stems and other parts to grow upwards.
the tendency of plant stems and other parts to grow downwards.
For the plant above, which statement is true...
The stem is showing positive phototropism and the roots negative geotropism
The stem is showing negative phototropism and the roots negative geotropism
The stem is showing negative phototropism and the roots negative geotropism
The stem is showing positive phototropism and the roots positive geotropism
What is the reaction that is shown by the plant in the figure above?
Positive hydrotropism.
Negative phototropism.
Positive thigmotropism.
Negative geotropism.
Stimulates new root growth
abscisic acid
auxin
cytokinins
gibberellin
ethylene
