PLANTS
PLANT REPRODUCTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Geotropism
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Phototropism
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Thigmotropism
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Hydrotropism
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Detailed explanation-1: -In essence the poison ivy is using the fence, tree, or structure it touches for support as it continues its growth. This concept of poison ivy’s directional growth for support in response to touch is known as thigmotropism.
Detailed explanation-2: -The Bitter gourd is the plant exhibiting Thigmotropism whereas Mimosa pudica is the plant exhibiting Thigmonasty.
Detailed explanation-3: -The movement of plant due to touch is known as a thigmotropic movement. Thigmotropism is a directional growth movement which occurs as a mechanosensory response to a touch stimulus. For example, once a shoot touches a suitable support, it grows towards the surface it is touching.
Detailed explanation-4: -Complete Answer:-Stems of the plant show negative geotropism while the roots show positive geotropism.