OBJECTIVE LIFE SCIENCE
PLANT PHYSIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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If the root of the plant is towards the sun then it is ____
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Positively phototropic
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Nastic movement
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Positively geotropic
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Negatively phototropic
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Explanation:
Detailed explanation-1: -One important light response in plants is phototropism, which involves growth toward-or away from-a light source. Positive phototropism is growth towards a light source; negative phototropism is growth away from light.
Detailed explanation-2: -Stem and leaves show positive phototropism whereas root shows negative phototropism.
Detailed explanation-3: -Examples: Curving of the stem toward sunlight (Positive phototropism) Movement of root away from the light inside the soil (Negative phototropism)
There is 1 question to complete.