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10th CBSE
IMPORTANT
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Name the plant organ which is positively geotropic, whether it is Stem or Root?

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Important Questions on Control and Coordination

MEDIUM
10th CBSE
IMPORTANT
Science for Tenth Class Part - 3 Biology>Chapter 2 - Control and Coordination>Short Answer Type Questions>Q 30

Name the plant organ which is negatively geotropic.

MEDIUM
10th CBSE
IMPORTANT
Science for Tenth Class Part - 3 Biology>Chapter 2 - Control and Coordination>Short Answer Type Questions>Q 30
Name the plant organ which is positively hydrotropic. (Root/Stem)
MEDIUM
10th CBSE
IMPORTANT
Science for Tenth Class Part - 3 Biology>Chapter 2 - Control and Coordination>Short Answer Type Questions>Q 31
Why is the folding up of the leaves of a sensitive plant on touching with a finger not a tropism?
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10th CBSE
IMPORTANT
Science for Tenth Class Part - 3 Biology>Chapter 2 - Control and Coordination>Short Answer Type Questions>Q 32
Why is the closing of a dandelion flower at dusk (when it gets dark), not a tropism?
MEDIUM
10th CBSE
IMPORTANT
Science for Tenth Class Part - 3 Biology>Chapter 2 - Control and Coordination>Long Answer Type Questions>Q 33
What is meant by ‘tropisms’ (or tropic movements)? Explain with an example.
 
MEDIUM
10th CBSE
IMPORTANT
Science for Tenth Class Part - 3 Biology>Chapter 2 - Control and Coordination>Long Answer Type Questions>Q 33
What are the different types of tropisms? Define each type of tropism. Write the name of the stimulus in each case.
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 3 Biology>Chapter 2 - Control and Coordination>Long Answer Type Questions>Q 33
How do tropisms differ from nasties (or nastic movements)?
MEDIUM
10th CBSE
IMPORTANT
Science for Tenth Class Part - 3 Biology>Chapter 2 - Control and Coordination>Long Answer Type Questions>Q 34
Define phototropism. Give one example of phototropism.