This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 21 Neural Control And Coordination – Quiz 11 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 21 Neural Control And Coordination Quiz 11 (18 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Pre-excitation potential difference between outside and inside of the nerve is called A) Reaction potential. B) Action potential. C) Spike potential. D) Resting potential. Show Answer Correct Answer: D) Resting potential. 2. 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. 3. Which of the following cell so dividing after birth? A) Epithellium. B) Neuron. C) Glial cell. D) Liver. Show Answer Correct Answer: B) Neuron. 4. 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) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: B) 2. 5. 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. 6. 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. 7. 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) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: B) 2. 8. The ganglia found in insects are A) Masses of fat bodies. B) Aggregated neurons. C) Point where numerous neurons meet. D) Degenerated neuron masses. Show Answer Correct Answer: B) Aggregated neurons. 9. Hearing is control by A) Frontal lobes. B) Parietal lobes. C) Temporal lobes. D) Occipital lobe. Show Answer Correct Answer: C) Temporal lobes. 10. Association area are A) Sensory in function. B) Motor in function. C) Neither clearly sensory nor motor in function. D) Neurosecretory in function. Show Answer Correct Answer: C) Neither clearly sensory nor motor in function. 11. Cornea transplant in humans is almost never rejected. This is because A) It's cells are least penetrable by bacteria. B) It has no blood supply. C) It is composed of ennuclested cells. D) It is a non living layer. Show Answer Correct Answer: B) It has no blood supply. 12. Eustachian tube connects- A) Middle ear with pharynx. B) Middle ear with inner ear. C) Middle ear with external ear. D) Left auricle with left ventricle. Show Answer Correct Answer: A) Middle ear with pharynx. 13. The reflex action is effected by ..... A) Brain. B) Medulla oblongata. C) Effector organs. D) Spinal cord. Show Answer Correct Answer: D) Spinal cord. 14. 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. 15. 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. 16. 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+. 17. Controlling centre of autonomic nervous system is A) HYpothalamus. B) Spinal cord. C) Cerebellum. D) Medulla oblangata. Show Answer Correct Answer: A) HYpothalamus. 18. Sheath forming schwann cells are found in (1) Myelinated fibres (2) Non-myelinated fibres (3) Afferent fibres (4) Efferent fibres A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: A) 1. ← PreviousRelated 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 21 Neural Control And Coordination Quiz 5Class 11 Biology Chapter 21 Neural Control And Coordination Quiz 6Class 11 Biology Chapter 21 Neural Control And Coordination Quiz 7Class 11 Biology Chapter 21 Neural Control And Coordination Quiz 8Class 11 Biology Chapter 21 Neural Control And Coordination Quiz 9Class 11 Biology Chapter 21 Neural Control And Coordination Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books