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Class 11 Biology MCQ Chapter 18 Neural Control and Coordination
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Neural Control and Coordination
Chapter – 18
| UNIT – (V) HUMAN PHYSIOLOGY |
| MCQ |
1. The structural and functional unit of the nervous system is:
(a) Neuron.
(b) Nephron.
(c) Nucleus.
(d) Nervous tissue.
Ans: (a) Neuron.
2. Which disorder is caused by the degeneration of neurons in the central nervous system and is characterised by tremors and difficulty in movement and coordination?
(a) Alzheimer’s disease.
(b) Parkinson’s disease.
(c) Multiple sclerosis.
(d) Epilepsy.
Ans: (b) Parkinson’s disease.
3. The tiny gaps between adjacent neurons where neurotransmitters are released to transmit signals are called:
(a) Nodes of Ranvier.
(b) Synapses.
(c) Ganglia.
(d) Neurolemma.
Ans: (b) Synapses.
4. The correct arrangements of cranial meninges from outermost to innermost is:
(a) Pia mater, dura mater, arachnoid.
(b) Arachnoid, dura mater, pia mater.
(c) Pia mater, arachnoid, dura mater.
(d) Dura mater, arachnoid, pia mater.
Ans: (b) Arachnoid, dura mater, pia mater.
5. The autonomic nervous system (SNS) controls involuntary functions such as heart rate and digestion. Which branch of the ANS is responsible for the “fight or flight” response?
(a) Sympathetic nervous system.
(b) Parasympathetic nervous system.
(c) Somatic nervous system.
(d) Central nervous system.
Ans: (a) Sympathetic nervous system.
6. Which of these is the command and control system of the body?
(a) Lungs.
(b) Spinal cord.
(c) Heart.
(d) Brain.
Ans: (d) Brain.
7. What are the coverings of the brain known as?
(a) Peritoneum.
(b) Pericardia.
(c) Meninges.
(d) Pleura.
Ans: (c) Meninges.
8. What is the outer layer of the brain called?
(a) Arachnoid.
(b) Pia mater.
(c) Dura mater.
(d) Corpus callosum.
Ans: (c) Dura mater.
9. Which of these is in contact with the brain tissue?
(a) Pia mater.
(b) Dura mater.
(c) Arachnoid.
(d) Cranium.
Ans: (a) Pia mater.
10. Which of these is not a part of the forebrain?
(a) Cerebrum.
(b) Pons.
(c) Thalamus.
(d) Hypothalamus.
Ans: (a) Cerebrum.
11. Which of these structures connect the cerebral hemispheres?
(a) Corpus luteum.
(b) Corpus albicans.
(c) Corpus callosum.
(d) Corpora quadrigemina.
Ans: (c) Corpus callosum.
12. Which part of the neuron is present in a high concentration in the grey matter?
(a) Cell body.
(b) Axon.
(c) Dendrites.
(d) Synaptic knobs.
Ans: (a) Cell body.
13. Which of these is not a function of the association areas?
(a) Intersensory associations.
(b) Memory.
(c) Communication.
(d) Breathing.
Ans: (d) Breathing.
14. Which of the following is the structural and functional unit of the nervous system?
(i) Axon.
(ii) Neuron.
(iii) Dendrite.
(iv) Synapse.
Ans: (ii) Neuron.
15. Which of these is not true about the hypothalamus?
(a) It contains neurosecretory cells.
(b) It regulates body temperature.
(c) It lies beside the thalamus.
(d) It controls hunger.
Ans: (c) It lies beside the thalamus.
