WorksheetsSTIMULI AND RESPONSES IN PLANT
Total questions: 20
Worksheet time: 17mins
A stimulus is ___________
a change in an organisms surroundings.
process in which organisms grow larger.
a reaction to a change in surroundings
tropism
what type of tropism is occurring here?
phototropism
thigmotropism
geotropism
tropictropism
what type of tropism is occurring here?
phototropism
thigmotropism
geotropism
tropictropism
What is an example of a stimulus for plants?
Touch
Gravity
Light
all of the above
What type of tropism is occurring here?
(a)
Mimosa sp. responds to touch by folding its leaves inwards when touched. The responds occurs rapidly.
Thigmotropism
Phototropism
Geotropism
Nastic movement
When the plant grows toward the light.
Negative hydrotropism
Positive geotropism
Negative phototropism
Positive phototropism
This is Venus flytrap. What stimulus does it use to trap the insects?
Light
Water
Gravity
Touch
The roots of a plant grow down because it is respond to....
Gravity
Light
Temperature
All of the above
How do stems respond to light?
It grows away from the light
It grows towards the trees
It grows towards the roots
It grows towards the light
Which of the following is not the stimuli of plants?
Bright
Water
Gravity
Touch
This part of the plants respond to light.
Leaves
Root
Shoot
Branch
The root of a plant responds to ............... and ................. .
light
gravity
touch
water
Which of the following plants respond to touch?
Hibiscus
Rafflesia
Orchid
Venus flytrap
