Control and Coordination Quiz - CBSE Class 10 Science
Free practice quiz: Control and Coordination (CBSE Class 10 Science). 19 multiple-choice questions with answers and explanations. Play online, no sign-up needed.
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What is the main function of the central nervous system (CNS)?
- To transport nutrients
- To control and coordinate body activities
- To produce hormones
- To filter blood
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Answer: B. To control and coordinate body activities
The CNS, comprising the brain and spinal cord, is primarily responsible for processing information and coordinating body responses.
Which of the following is not a part of the peripheral nervous system (PNS)?
- Cranial nerves
- Spinal nerves
- Optic chiasma
- Autonomic nervous system
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Answer: C. Optic chiasma
The optic chiasma is a part of the CNS, while cranial nerves, spinal nerves, and the autonomic nervous system are part of the PNS.
What is a reflex action?
- An automatic response to a stimulus
- A voluntary action initiated by the brain
- A planned response to an external stimulus
- A delayed response to a stimulus
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Answer: A. An automatic response to a stimulus
A reflex action is an involuntary and nearly instantaneous movement in response to a stimulus.
What is the function of the autonomic nervous system?
- Controlling voluntary muscle movements
- Regulating the function of internal organs
- Interpreting sensory information
- Producing reflex responses
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Answer: B. Regulating the function of internal organs
The autonomic nervous system controls involuntary actions and influences the function of organs such as the heart and digestive system.
Which part of the brain manages higher cognitive functions like reasoning and planning?
- Cerebellum
- Cerebrum
- Brainstem
- Medulla
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Answer: B. Cerebrum
The cerebrum is the largest part of the brain and is responsible for higher brain functions, including reasoning, planning, and problem-solving.