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NCERT solutions Science Class 10 chapter 7 Control and Coordination


NCERT Science Class 10

Science Textbook for Class 10

Chapter 7 - Control and Coordination

Page 119

What is the difference between a reflex action and walking?

Q 1 | Page 119

 What happens at the synapse between two neurons?

Q 2 | Page 119

Which part of the brain maintains posture and equilibrium of the body?

Q 3 | Page 119

 How do we detect the smell of an agarbatti (incense stick)?

Q 4 | Page 119

 What is the role of the brain in reflex action?

Q 5 | Page 119

Page 122

Name any two plant hormones and state their functions.

Q 1 | Page 122

 How is the movement of leaves of the sensitive plant different from the movement of a shoot towards light?

Q 2 | Page 122

Give an example of a plant hormone that promotes growth.

Q 3 | Page 122

How do auxins promote the growth of a tendril around a support?

Q 4 | Page 122

Design an experiment to demonstrate hydrotropism.

Q 5 | Page 122

Page 125

How does chemical coordination take place in animals?

Q 1 | Page 125

 Why is the use of iodised salt advisable?

Q 2 | Page 125

How does our body respond when adrenaline is secreted into the blood?

Q 3 | Page 125

Why are some patients of diabetes treated by giving injections of insulin?

Q 4 | Page 125

Pages 125 - 126

Which of the following is a plant hormone?
(a) Insulin
(b) Thyroxin
(c) Oestrogen
(d) Cytokinin

Q 1 | Page 125

The gap between two neurons is called a
(a) dendrite.
(b) synapse.
(c) axon.
(d) impulse.

Q 2 | Page 125

The brain is responsible for
(a) thinking.
(b) regulating the heart beat.
(c) balancing the body.
(d) all of the above.

Q 3 | Page 126

What is the function of receptors in our body? Think of situations where receptors do not work properly. What problems are likely to arise?

Q 4 | Page 126

Draw the structure of a neuron 

Q 5 | Page 126

Explain neuron function.

Q 5.1 | Page 126

How does phototropism occur in plants?

Q 6 | Page 126

Which signals will get disrupted in case of a spinal cord injury?

Q 7 | Page 126

 How does chemical coordination occur in plants?

Q 8 | Page 126

What is the need for a system of control and coordination in an organism?

Q 9 | Page 126

How are involuntary actions and reflex actions different from each other?

Q 10 | Page 126

 Compare and contrast nervous and hormonal mechanisms for control and coordination in animals

Q 11 | Page 126

 What is the difference between the manner in which movement takes place in a sensitive plant and the movement in our legs?

Q 12 | Page 126

NCERT Science Class 10

Science Textbook for Class 10