MEDIUM
10th CBSE
IMPORTANT
Earn 100

Define hydrotropism. Give one example of hydrotropism. State whether this example is of positive hydrotropism or negative hydrotropism. Illustrate your answer with the help of labelled diagram.

Important Questions on Control and Coordination

MEDIUM
10th CBSE
IMPORTANT
Science for Tenth Class Part - 3 Biology>Chapter 2 - Control and Coordination>Long Answer Type Questions>Q 37
What is meant by positive tropism and negative tropism? Explain with examples.
 
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 3 Biology>Chapter 2 - Control and Coordination>Long Answer Type Questions>Q 37
Define thigmotropism. Give one example of thigmotropism.
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 3 Biology>Chapter 2 - Control and Coordination>Long Answer Type Questions>Q 37
What is the difference between thigmotropism and thigmonasty? Name one plant which exhibits thigmotropism and one plant which exhibits thigmonasty. What behaviour (or responses) of these plants make you think that they exhibit thigmotropism and thigmonasty respectively?
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 3 Biology>Chapter 2 - Control and Coordination>Multiple Choice Questions (MCQs)>Q 39
One of the following plant hormones is responsible for the phenomenon of phototropism in plants. This is 
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 3 Biology>Chapter 2 - Control and Coordination>Multiple Choice Questions (MCQs)>Q 40
The movement of a plant part in response to the force of attraction exerted by the earth is called
EASY
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 
EASY
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
EASY
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