This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 21 Neural Control And Coordination – Quiz 1 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 21 Neural Control And Coordination Quiz 1 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Nissil's granule are not fund in which of the following? A) Cell body. B) Axon. C) Dendrites. D) Both b and c. Show Answer Correct Answer: B) Axon. 2. A-Multipolar neuron are present in found in the cerebral cortex.B-Unipolar neuron are found usually in the embryonic stage. A) Both are correct. B) Both are incorrect. C) Only A is correct only. D) Only B is correct only. Show Answer Correct Answer: A) Both are correct. 3. In human being, number of cranial nerves are- A) 10 pairs. B) 20 pairs. C) 6 pairs. D) 12 pairs. Show Answer Correct Answer: D) 12 pairs. 4. Choose the type of nervous system and type of muscle supplying visceral organs A) Sympathetic nervous system, voluntary. B) Sympathetic nervous system, involuntary. C) Parasympathetic nervous system, voluntary. D) Both parasympathetic and sympathetic nervous system, voluntary. Show Answer Correct Answer: D) Both parasympathetic and sympathetic nervous system, voluntary. 5. ..... generally maintains the electrical charge across the neuronal membrane (1) Na$^{+}$-K$^{+}$ pump (2) Action potential (3) Resting potential (4) Voltage-gated channels A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: A) 1. 6. Which part of the brain controls involuntary breathing? A) Diencephalon. B) Hypothalamus. C) Medulla oblongata. D) Cerebellum. Show Answer Correct Answer: C) Medulla oblongata. 7. Compare the Central neural system (CNS) and Peripheral neural system (PNS). A) CNS consists of the brain and spinal cord, while PNS consists of all neural elements outside the CNS. B) CNS consists of only the cerebellum, while PNS consists of the brain and spinal cord. C) CNS and PNS are both made up of only sensory neurons. D) CNS controls only voluntary actions, while PNS controls only involuntary actions. Show Answer Correct Answer: A) CNS consists of the brain and spinal cord, while PNS consists of all neural elements outside the CNS. 8. Multipolar neuron means- A) Neuron with one dendron and one axon. B) Neuron with many dendrons and one axon. C) Neuron with one dendron and many axons. D) Neuron with many dendrons only. Show Answer Correct Answer: B) Neuron with many dendrons and one axon. 9. In the axons, the nerve impulse travels. A) Towards the cell body. B) Away from the cell body. C) Away from synapse. D) In both direction. Show Answer Correct Answer: B) Away from the cell body. 10. Highly vascular and closely investing protective coat around brain is known as A) Arachnoid. B) Pia mater. C) Dura mater. D) Sub-arachnoid space. Show Answer Correct Answer: B) Pia mater. 11. The basic unit of the nervous system is- A) The axon. B) The dendrite. C) Cell body. D) Neuron. Show Answer Correct Answer: D) Neuron. 12. Bipolar neuron are found in- A) Embryonic stage. B) Retina of eye. C) Cerebral cortex. D) All of these. Show Answer Correct Answer: B) Retina of eye. 13. Twilight vision is also called A) Scotopic vision and is the function of rods. B) Scotopic vision and is the function of cones. C) Photopic vision and is the function of rods. D) Photopic vision and is the function of cones. Show Answer Correct Answer: A) Scotopic vision and is the function of rods. 14. Which part of our central neural system acts as a master clock? A) Hypothalamus. B) Cerebellum. C) Midbrain. D) Pons. Show Answer Correct Answer: A) Hypothalamus. 15. The Nervous System is divided into two parts called A) The Central Nervous System & The Peripheral Nervous System. B) The Central Nervous System & The Paradigm Nervous System. C) The Corollary Nervous System & The Paradigm Nervous System. D) The Corollary Nervous System & The Peripheral Nervous System. Show Answer Correct Answer: A) The Central Nervous System & The Peripheral Nervous System. 16. The nerve impulse is another name of A) Resting potential. B) Polarised potential. C) Action potential. D) Repolarisation. Show Answer Correct Answer: C) Action potential. 17. The part of the brain which is connected to the spinal cord is A) Pons. B) Cerebellum. C) Hippocampus. D) Medulla oblongata. Show Answer Correct Answer: D) Medulla oblongata. 18. In human body, neuroglial cells occur in the (1) Liver (2) Brain (3) Kidney (4) Brain and spinal cord A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: D) 4. 19. A canal passes through the midbrain is called A) Cerebral aqueduct. B) Corpora quadrigemmia. C) Corpus callosum. D) Cerebral hemisphere. Show Answer Correct Answer: A) Cerebral aqueduct. 20. A-hypothalamus acts as a relay centreR-it is the center for thermoregulation, thirst and hunger A) A&R both true, R is correct explanation of A. B) A&R both true, but R is not correct explanation of A. C) A is true but R is false. D) Both A&R are false. Show Answer Correct Answer: D) Both A&R are false. 21. Grey matter is composed of A) Axon. B) Nerve fibre. C) Cell body. D) Schwann cell. Show Answer Correct Answer: C) Cell body. 22. How does the neural system provide coordination in the body? A) By producing hormones. B) By providing an organised network of point-to-point connections. C) By increasing blood flow. D) By controlling only the heart. Show Answer Correct Answer: B) By providing an organised network of point-to-point connections. 23. The bipolar neurons are found in the A) Cerebral cortex. B) Embryonic stage. C) Retina of eye. D) Middle ear. Show Answer Correct Answer: C) Retina of eye. 24. Explain the process of polarisation of the membrane of a nerve fibre. A) Polarisation is the state where the inside of the neuron is negatively charged relative to the outside due to differential ion concentration. B) Polarisation is when the neuron releases neurotransmitters into the synaptic cleft. C) Polarisation is the process of the brain dividing into hemispheres. D) Polarisation is the integration of sensory inputs in the midbrain. Show Answer Correct Answer: A) Polarisation is the state where the inside of the neuron is negatively charged relative to the outside due to differential ion concentration. 25. Which of the following cells are photoreceptor cells in human eye? A) Only cones. B) Only amacrine cells. C) Only rods. D) Only rods and cones. Show Answer Correct Answer: D) Only rods and cones. 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