Question
Question 19:
(a) What does a root do in response to gravity? What is this phenomenon known as?
(b) What does a stem (or shoot) do in response to light? What is this phenomenon known as?
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Answer:
(a) The roots of a plant always grow downwards in response to gravity. This phenomenon is known as geotropism.
(b) The stem of a plant grows upwards in response to light. This phenomenon is known as phototropism.
(b) The stem of a plant grows upwards in response to light. This phenomenon is known as phototropism.
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(a) What does a root do in response to gravity? What is this phenomenon known as?
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Question Text |
Question 19:
(a) What does a root do in response to gravity? What is this phenomenon known as? (b) What does a stem (or shoot) do in response to light? What is this phenomenon known as? |
Topic | Control and Coordination |
Subject | Science |
Class | Class 10 |
Answer Type | Text solution:1 |
Upvotes | 53 |