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The movement of a plant part in response to the force of attraction exerted by the earth is called

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Important Questions on Control and Coordination

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10th CBSE
IMPORTANT
Science for Tenth Class Part - 3 Biology>Chapter 2 - Control and Coordination>Multiple Choice Questions (MCQs)>Q 41
The movement of sunflower in accordance with the path of the sun is due to 
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10th CBSE
IMPORTANT
Science for Tenth Class Part - 3 Biology>Chapter 2 - Control and Coordination>Multiple Choice Questions (MCQs)>Q 42
The plant part which exhibits negative geotropism is
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10th CBSE
IMPORTANT
Science for Tenth Class Part - 3 Biology>Chapter 2 - Control and Coordination>Multiple Choice Questions (MCQs)>Q 43
A big tree falls in a forest but its roots are still in contact with the soil. The branches of this fallen tree grow straight up (vertically). This happens in response to
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10th CBSE
IMPORTANT
Science for Tenth Class Part - 3 Biology>Chapter 2 - Control and Coordination>Multiple Choice Questions (MCQs)>Q 44
Which of the following is not caused by a growth movement?
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10th CBSE
IMPORTANT
Science for Tenth Class Part - 3 Biology>Chapter 2 - Control and Coordination>Multiple Choice Questions (MCQs)>Q 45
The root of a plant is :
(i) positively phototropic but negatively geotropic
(ii) positively geotropic but negatively phototropic
(iii) negatively phototropic but positively hydrotropic
(iv) negatively hydrotropic but positively phototropic
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10th CBSE
IMPORTANT
Science for Tenth Class Part - 3 Biology>Chapter 2 - Control and Coordination>Multiple Choice Questions (MCQs)>Q 46
The main function of the plant hormone called abscisic acid is to
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10th CBSE
IMPORTANT
Science for Tenth Class Part - 3 Biology>Chapter 2 - Control and Coordination>Multiple Choice Questions (MCQs)>Q 47
The growth of tendrils in pea plants is due to the:
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10th CBSE
IMPORTANT
Science for Tenth Class Part - 3 Biology>Chapter 2 - Control and Coordination>Multiple Choice Questions (MCQs)>Q 48
Which of the following phytohormone is not associated with the promotion of growth in plants?