This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 21 Neural Control And Coordination – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 21 Neural Control And Coordination Quiz 2 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Gel-like fluid posterior to the lens A) Aqueous Humor. B) Retina. C) Vitreous Humor. D) Optic humor. Show Answer Correct Answer: C) Vitreous Humor. 2. Myelin sheath is produced by A) Schwann cells and Oligodendrocytes. B) Astrocytes and Schwann cells. C) Oligodendrocytes and Osteoclasts. D) Osteoclasts and Astrocytes. Show Answer Correct Answer: A) Schwann cells and Oligodendrocytes. 3. The incorrectly matched pair is A) Cerebral aqueduct-Canal that passes through midbrain. B) Corpora quadrigemina-Four rounded swellings present on ventral portion of midbrain. C) Cerebellum-Very convulated usrface. D) Medulla oblongata-Controls gastric secretion. Show Answer Correct Answer: B) Corpora quadrigemina-Four rounded swellings present on ventral portion of midbrain. 4. The human hind brain comprises three parts, one of which is (1) Cerebellum (2) Hypothalamus (3) Spinal cord (4) Corpus callosum A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: A) 1. 5. Explain the transmission of a nerve impulse across a chemical synapse. A) Transmission occurs when neurotransmitters are released from the pre-synaptic neuron and bind to receptors on the post-synaptic neuron. B) Transmission occurs when the brain sends signals to the spinal cord only. C) Transmission is the process of the cerebrum dividing into two halves. D) Transmission is the integration of information in the medulla. Show Answer Correct Answer: A) Transmission occurs when neurotransmitters are released from the pre-synaptic neuron and bind to receptors on the post-synaptic neuron. 6. Which one of the following is the primary function of occipital lobe? (1) Regulation of the hunger drive (2) Reception of visual impulses (3) Regulation of sleep cycle (4) Reception of touch senses A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: B) 2. 7. Anatomically, human ear can be divided into ..... major sections. A) 2. B) 3. C) 4. D) 6. Show Answer Correct Answer: B) 3. 8. An action potential in the nerve fibre is produced when positive and negative charges on the outside and the inside of the axon membrane are reversed, because (1) More potassium ions enter the axon as compared to sodium ions leaving it (2) More sodium ions enter the axon as compared to potassium ions leaving it (3) All potassium ions leave the axon (4) All sodium ions enter the axon A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: B) 2. 9. S 1-Hypothalamus lies at the base of the thalamus.S 2-The cerebral cortex is referred to as the white matter due to its whitish appearance. A) Only S 1 is correct. B) Only S 2 is correct. C) Both are correct. D) Both are incorrect. Show Answer Correct Answer: A) Only S 1 is correct. 10. Which of the following is NOT in the OUTER EAR? A) Auricle. B) Eustachian tube. C) External Auditory Meatus. D) Tympanic Membrane. Show Answer Correct Answer: B) Eustachian tube. 11. Which of the following is regarded as a unit of nervous tissue? A) Myelin sheath. B) Axons. C) Dendrites. D) Neurons. Show Answer Correct Answer: D) Neurons. 12. A-SNS relay impulses from CNS to skeletal musclesR-ANS transmit impulses from CNS to involuntary organs and smooth muscles A) Both A and R is false. B) A is true but R is false. C) A&R both true, but R is not correct explanation of A. D) A&R both true, R is correct explanation of A. Show Answer Correct Answer: C) A&R both true, but R is not correct explanation of A. 13. The ear of human is enclosed in- A) Mastoid bone. B) Ethmoid Bone. C) Frontal and parietal bone. D) Temporal bone. Show Answer Correct Answer: D) Temporal bone. 14. What happens to the activities of nerves, lungs, heart, and kidney after physical exercise is stopped? A) They continue to function at an increased rate. B) They gradually return to their normal conditions. C) They stop functioning completely. D) They become uncoordinated. Show Answer Correct Answer: B) They gradually return to their normal conditions. 15. Nissl's granules are present in the ..... and are made up of respectively A) Muscle cells and DNA. B) Mast cells and RNA. C) Osteocytes and DNA. D) Neuron and RNA. Show Answer Correct Answer: D) Neuron and RNA. 16. Unipolar neuron / Unipolar nerve cells means A) Nerve cell with one dendron. B) Nerve cell with many dendrons. C) Nerve cell without dendrons. D) Neuron with one dendron and one axon. Show Answer Correct Answer: C) Nerve cell without dendrons. 17. What area of the brain do impulses from the Vestibular branch go to? A) Cerebrum. B) Cerebellum. C) Temporal. D) Brain Stem. Show Answer Correct Answer: B) Cerebellum. 18. Which of the following not involved in the knee jerk A) Motor neuron. B) Muscle spindle. C) Inter neuron. D) Brain. Show Answer Correct Answer: C) Inter neuron. 19. The polarity of the membrane is reversed A) During action potential. B) When there is nerve impulse at the site. C) And the membrane is said to be depolarized. D) All of these statements are correct. Show Answer Correct Answer: D) All of these statements are correct. 20. Destruction of the anterior horn cells of the spinal cord would result in loss of A) Commissural impulses. B) Integrating impulses. C) Sensory impulses. D) Voluntary motor impulses. Show Answer Correct Answer: D) Voluntary motor impulses. 21. Receptor sites for neurotransmitters are present on: A) Pre-synaptic membrane. B) Tips of axons. C) Post-synaptic membrane. D) Membrane of synaptic vesicles. Show Answer Correct Answer: C) Post-synaptic membrane. 22. The nerves carrying impulses to CNS are known as A) Motor. B) Efferent. C) Afferent. D) Mixed. Show Answer Correct Answer: C) Afferent. 23. Which part of human brain is concerned with the regulation of body temperature? A) Cerebellum. B) Cerebrum. C) Hypothalamus. D) Medulla oblongata. Show Answer Correct Answer: C) Hypothalamus. 24. Damage to the cerebellum would most affect the career of A) An architect. B) A teacher. C) An athlete. D) A librarian. Show Answer Correct Answer: C) An athlete. 25. What part of the eye has the highest concentration of rods and cones? A) Optic nerve. B) Fovea centralis. C) Optic disk. D) Iris. Show Answer Correct Answer: B) Fovea centralis. ← PreviousNext →Related QuizzesClass 11 Biology Chapter 21 Neural Control And Coordination Quiz 1Class 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 10Class 11 Biology Chapter 21 Neural Control And Coordination Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books