This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Biology > Class 11 Biology Chapter 21 Neural Control And Coordination – Quiz 5 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 21 Neural Control And Coordination Quiz 5 (23 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Repolarization of nerve cell involves A) Influx of potassium ion. B) Influx of sodium ion. C) Influx of calcium and potassium ion. D) Efflux of sodium ion. Show Answer Correct Answer: A) Influx of potassium ion. 2. The gelatinous, elastic membrane covering the sensory hair cells of the human ear is known as (1) Basilar membrane (2) Tectorial membrane (3) Reissner's membrane (4) Neuro-sensory membrane A) 1. B) 4. C) 3. D) 2. Show Answer Correct Answer: D) 2. 3. Inside the skull, the brain is covered by cranial meninges. The correct order of layer from inside to outside- A) Arachnoid, Dura mater, Pia mater. B) Dura mater, Pia mater, Arachnoid. C) Pia mater, Arachnoid, Dura mater. D) Dura mater, Arachnoid, Pia mater. Show Answer Correct Answer: C) Pia mater, Arachnoid, Dura mater. 4. What is the purpose of the nervous system? A) Control and communication of and between systems of the body. B) To let you know when you when you should feel anxious about something. C) All the above. D) None of the above. Show Answer Correct Answer: A) Control and communication of and between systems of the body. 5. Route of reflex arc A) Effector, grey matter, motor fibers, sensory fibers and receptors. B) Receptors, sensory fibers, grey matter and motor fibers. C) Receptors, sensory fibers, grey matter, motor fibers and effector. D) Sensory fiber, grey matter, motor fiber, receptors and effectors. Show Answer Correct Answer: C) Receptors, sensory fibers, grey matter, motor fibers and effector. 6. Pre-excitation potential difference between outside and inside of the nerve is called A) Action potential. B) Reaction potential. C) Spike potential. D) Resting potential. Show Answer Correct Answer: D) Resting potential. 7. S 1-The inner parts of cerebral hemispheres and amygdala, hippocampus form a complex structure called limbic system.S 2-The cerebral hemispheres are connected by a tract of nerve fibres. A) S 1 and S2 both are correct. B) S 1 and S2 both are incorrect. C) Only S 1 is correct. D) Only S 1 is incorrect. Show Answer Correct Answer: A) S 1 and S2 both are correct. 8. Which of the following cell so dividing after birth? A) Neuron. B) Glial cell. C) Epithellium. D) Liver. Show Answer Correct Answer: A) Neuron. 9. The reflex pathway comprises (1) Atleast two afferent neurons and two efferent neurons (2) Atleast one afferent neurons and one efferent neurons (3) Atleast two afferent neurons and one efferent neurons (4) None of the above A) 3. B) 1. C) 4. D) 2. Show Answer Correct Answer: D) 2. 10. Which of the following structures or regions is incorrectly paired with its functions? A) Hypothalamus:production of releasing hormones and regulation of temperature, hunger and thirst. B) Limbic system:consists of fibre tracts that interconnect different regions of brain; controls movement. C) Medulla oblongata:controls respiration and cardiovascular reflexes. D) Corpus callosum:band of fibers connecting left and right cerebral hemispheres. Show Answer Correct Answer: B) Limbic system:consists of fibre tracts that interconnect different regions of brain; controls movement. 11. Tympanic membrane consist of connective tissue covered with mucus membrane on outside and skin on outside.2. Stapes is attached to the round window of the cochlea. A) Both statement are correct. B) Both statement are incorrect. C) Only S 1 is correct. D) Only S 2 is correct. Show Answer Correct Answer: B) Both statement are incorrect. 12. Highly vascular and closely inverting protective coat around brain is known as (1) Arachnoid (2) Pia mater (3) Dura mater (4) Sub-arachnoid space A) 3. B) 2. C) 4. D) 1. Show Answer Correct Answer: B) 2. 13. The ganglia found in insects are A) Point where numerous neurons meet. B) Aggregated neurons. C) Degenerated neuron masses. D) Masses of fat bodies. Show Answer Correct Answer: B) Aggregated neurons. 14. Hearing is control by A) Occipital lobe. B) Frontal lobes. C) Temporal lobes. D) Parietal lobes. Show Answer Correct Answer: C) Temporal lobes. 15. Association area are A) Neurosecretory in function. B) Sensory in function. C) Motor in function. D) Neither clearly sensory nor motor in function. Show Answer Correct Answer: D) Neither clearly sensory nor motor in function. 16. Cornea transplant in humans is almost never rejected. This is because A) It has no blood supply. B) It's cells are least penetrable by bacteria. C) It is composed of ennuclested cells. D) It is a non living layer. Show Answer Correct Answer: A) It has no blood supply. 17. Eustachian tube connects- A) Middle ear with pharynx. B) Left auricle with left ventricle. C) Middle ear with inner ear. D) Middle ear with external ear. Show Answer Correct Answer: A) Middle ear with pharynx. 18. The reflex action is effected by ..... A) Spinal cord. B) Brain. C) Effector organs. D) Medulla oblongata. Show Answer Correct Answer: A) Spinal cord. 19. Assertion (A) Arrival of an impulse at the axon terminal stimulates the release of neurotransmitter in the synaptic cleft. Reason (R) These neurotransmitters are responsible for the opening of ion channels. A) Both A and R arc true and R is the correct explanation of A. B) Both A and R are true. but R is not the correct explanation of A. C) A is true, but R is false. D) Both A and R are false. Show Answer Correct Answer: B) Both A and R are true. but R is not the correct explanation of A. 20. Which of the following best describes the difference between cranial nerves and spinal nerves? A) Cranial nerves arise from the brain, while spinal nerves arise from the spinal cord. B) Cranial nerves are only sensory, while spinal nerves are only motor. C) Spinal nerves arise from the brain, while cranial nerves arise from the spinal cord. D) Both arise from the spinal cord. Show Answer Correct Answer: A) Cranial nerves arise from the brain, while spinal nerves arise from the spinal cord. 21. Why is the axonal membrane considered to be polarized in its resting state? A) Because it is equally permeable to all ions. B) Because it has a higher concentration of Na+ inside the axon. C) Because it is more permeable to K+ and less permeable to Na+. D) Because it contains Schwann cells. Show Answer Correct Answer: C) Because it is more permeable to K+ and less permeable to Na+. 22. Controlling centre of autonomic nervous system is A) HYpothalamus. B) Cerebellum. C) Spinal cord. D) Medulla oblangata. Show Answer Correct Answer: A) HYpothalamus. 23. Sheath forming schwann cells are found in (1) Myelinated fibres (2) Non-myelinated fibres (3) Afferent fibres (4) Efferent fibres A) 4. B) 2. C) 3. D) 1. Show Answer Correct Answer: D) 1. ← PreviousRelated QuizzesScience QuizzesClass 11 QuizzesClass 11 Biology Chapter 21 Neural Control And Coordination Quiz 1Class 11 Biology Chapter 21 Neural Control And Coordination Quiz 2Class 11 Biology Chapter 21 Neural Control And Coordination Quiz 3Class 11 Biology Chapter 21 Neural Control And Coordination Quiz 4Class 11 Biology Chapter 1 The Living World QuizClass 11 Biology Chapter 10 Cell Cycle And Cell Division QuizClass 11 Biology Chapter 11 Transport In Plants QuizClass 11 Biology Chapter 12 Mineral Nutrition Quiz 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books