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Plant Responses to Stimuli Quiz

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Questions and Answers

Match the following tropisms with their stimuli:

Phototropism = Response to light Hydrotropism = Response to water Geotropism = Response to gravity Thigmotropism = Response to touch

Match the following characteristics with their descriptions:

Tropism = Bending towards or away from a stimulus Unequal growth hormone concentration = Cause of tropism Auxin = Commonly responsible for unequal growth in tropism Indole Acetic Acid = A type of auxin

Match the following plant parts with their exhibition of tropism:

Shoot = Exhibits tropism due to unequal concentration of growth hormone Root = Exhibits tropism due to unequal concentration of growth hormone Leaves = Exhibits tropism due to unequal concentration of growth hormone Flowers = Exhibits tropism due to unequal concentration of growth hormone

Match the following terms with their meanings:

Positive response = Bending towards the direction of the stimulus Negative response = Bending away from the direction of the stimulus Unilateral stimulus = Coming from one side only Unequal production of growth hormone = Resulting in unequal growth in tropism Signup and view all the answers

Match the following concepts with their examples:

Phototropism = Plants bending towards the sunlight Hydrotropism = Roots growing towards a water source Geotropism = Shoots growing upwards against gravity Thigmotropism = Vines clinging to a support structure Signup and view all the answers

Plants respond to changes in the environment through their ability to __________ to stimuli

respond Signup and view all the answers

Phototropism is the plant's response to __________

light Signup and view all the answers

Hydrotropism is the plant's response to __________

water Signup and view all the answers

Geotropism is the plant's response to __________

gravity Signup and view all the answers

The cause of the response in tropism is a unilateral stimulus, resulting in unequal production or distribution of __________ hormone

growth Signup and view all the answers

Plants respond to changes in the environment through ______

stimuli Signup and view all the answers

Phototropism is the response of plants to ______

light Signup and view all the answers

Hydrotropism is the response of plants to ______