PLANT PHYSIOLOGY
PLANT MOVEMENT
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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radiant energy
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all answer choices cause a reaction in plants
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temperature
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gravitational pull
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Detailed explanation-1: -Plants respond to touch, light and heat.
Detailed explanation-2: -Plants respond to their environment in a variety of ways. The response of an organism, usually a plant, to an environmental stimulus is called a tropism. Some common plant stimuli include light, gravity, water, movement of the sun, and touch. The naming of the tropism is associated with the stimulus.
Detailed explanation-3: -This movement is called phototropism. Specialized hormone cells, known as auxins, control growth by stimulating cell elongation. It is well accepted that phototropic bending of stems and roots results from cells on one side elongating faster than cells on the other side.
Detailed explanation-4: -○ Phototropism-The way a plant grows or moves in response to light. ○ Gravitropism-The way a plant grows or moves in response to gravity; also called geotropism. ○ Hydrotropism-The way a plant grows or moves in response to water. ○ Thigmotropism-The way a plant grows or moves in response to touch.