Chapter 6 Control and Coordination
NCERT Class 10th
Science SOLUTIONS

What is the function of receptors in our body? Think of situations where receptors do not work properly. What problems are likely to arise?
Function of receptors:
Receptors are specialized cells present in sense organs (like eyes, ears, skin, nose, and tongue). They detect different types of stimuli from the environment such as light, sound, smell, touch, and taste. These receptors send messages as electrical signals to the brain or spinal cord for processing and response.
If receptors do not work properly:
- The body will not be able to sense changes in the environment.
- It may not respond correctly to danger or other stimuli.
- For example, if touch receptors in the skin are damaged, the person may not feel pain from a hot object and may get injured.
Control and Coordination
More Questions on Control and Coordination
What is the difference between the manner in which movement takes place in a sensitive plant and the movement in our legs?
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Compare and contrast nervous and hormonal mechanisms for control and coordination in animals.
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The brain is responsible for (a) thinking. (b) regulating the heart beat. (c) balancing the body. (d) all of the above.
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The gap between two neurons is called a (a) dendrite. (b) synapse. (c) axon. (d) impulse
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Which of the following is a plant hormone? (a) Insulin (b) Thyroxin (c) Oestrogen (d) Cytokinin.
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How is the movement of leaves of the sensitive plant different from the movement of a shoot towards light?
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