This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Biology > Class 11 Biology Chapter 21 Neural Control And Coordination – Quiz 4 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 21 Neural Control And Coordination Quiz 4 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A-pseudounipolar neurons are present in dorsal root ganglion of the spinal cordR-their dendrites are in receptors and axon terminals are in grey matter of the spinal cord 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: A) A&R both true, R is correct explanation of A. 2. A-neural organization is very simple in lower invertebratesR-in Hydra this organization is composed of network of neurons 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: B) A&R both true, but R is not correct explanation of A. 3. Which of the following is the main function of neurons in the neural system? A) To detect, receive, and transmit different kinds of stimuli. B) To produce hormones for the body. C) To store energy for muscle contraction. D) To transport oxygen in the blood. Show Answer Correct Answer: A) To detect, receive, and transmit different kinds of stimuli. 4. When the eyeball is too long causing Nearsightedness A) Myopia. B) Presbyopia. C) Asigmatism. D) Hyperopia. Show Answer Correct Answer: A) Myopia. 5. A segment of neuronal membrane showing action potential is said to be- A) Polarized. B) Depolarized. C) Repolarized. D) None of the above. Show Answer Correct Answer: B) Depolarized. 6. The function of our visceral organs are controlled by A) Sympathetic and somatic nervous system. B) Sympathetic and parasympathetic nervous system. C) Central and somatic nervous system. D) None of the above. Show Answer Correct Answer: B) Sympathetic and parasympathetic nervous system. 7. The cochlea of ear contains A) Perilymph. B) Aqueous humour. C) Perilymph and endolymph. D) Only endolymph. Show Answer Correct Answer: C) Perilymph and endolymph. 8. Which of the following is NOT a function controlled by the central neural system? A) Regulation of voluntary movements. B) Processing of vision and hearing. C) Digestion of food in the stomach. D) Control of circadian rhythms. Show Answer Correct Answer: C) Digestion of food in the stomach. 9. During conduction of nerve impulse, when stimulus is applied A) Na+ move out of axoplasm. B) K+ moves into axoplasm. C) Na+ moves into axoplasm. D) Ca+2 moves into axoplasm. Show Answer Correct Answer: C) Na+ moves into axoplasm. 10. Which part of the human ear plays no role in hearing as such but is otherwise very much required? (1) Ear ossicles (2) Eustachian tube (3) Organ of corti (4) Vestibular apparatus A) 4. B) 3. C) 1. D) 2. Show Answer Correct Answer: A) 4. 11. After the transmission of one impulse from the synapse, it cannot transmit another impulse because of exhaustion of the following chemical (1) Choline (2) Acetic acid (3) Receptors of neurotransmitters (4) Neurotransmitters A) 4. B) 1. C) 3. D) 2. Show Answer Correct Answer: A) 4. 12. Nissl bodies are mainly composed of A) Nucleic acids and SER. B) DNA and RNA. C) Proteins and lipids. D) Free ribosomes and RER. Show Answer Correct Answer: D) Free ribosomes and RER. 13. Which part of the neuron is responsible for receiving signals from other neurons? A) Synaptic terminal. B) Cell body. C) Dendrites. D) Axon. Show Answer Correct Answer: C) Dendrites. 14. The secretion of gastric juice is controlled by A) Medulla. B) ANS. C) Cerebellum. D) Cerebrum. Show Answer Correct Answer: A) Medulla. 15. Which type of neuron is characterized by having one axon and two or more dendrites? A) Multipolar. B) Unipolar. C) Bipolar. D) Myelinated. Show Answer Correct Answer: A) Multipolar. 16. Type of photoreceptor that is active in bright light and perceives color? A) Fovea centralis. B) Optic disk. C) Cones. D) Rods. Show Answer Correct Answer: C) Cones. 17. Perception of colour is possible among A) Birds. B) Reptiles. C) Men. D) Both 1 and 3. Show Answer Correct Answer: D) Both 1 and 3. 18. Myelin sheath is present around- A) Medullated nerve fibre. B) Non-medullated nerve fibre. C) Muscle fibre. D) Medullated and non-medullated nerve fibre. Show Answer Correct Answer: A) Medullated nerve fibre. 19. Reflex is controlled by- A) ANS. B) Sympathetic nervous system. C) PNS. D) Spinal cord. Show Answer Correct Answer: D) Spinal cord. 20. Ion channels present on neural membrane are- A) Selective permeable. B) Impermeable. C) Fully permeable. D) Semipermeable. Show Answer Correct Answer: A) Selective permeable. 21. X $\rightarrow$ Central Nervous System $\rightarrow$ YWhat are represented by X and Y? A) X-afferent pathwayY-efferent pathway. B) X-efferent pathwayY-afferent pathway. C) X-effectorY-receptor. D) X-receptorY-effector. Show Answer Correct Answer: A) X-afferent pathwayY-efferent pathway. 22. A-reissner's and basilar's membrane divides the surrounding perilymph filled bony labyrinth R-division is like upper is scala vestibuli and lower is scala tympani 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) Both A and R is false. D) A is true but R is false. Show Answer Correct Answer: A) A&R both true, R is correct explanation of A. 23. Which is not likely to happen when we do physical exercises? A) Increase in the rate of heart beat. B) Decreased blood flow. C) Supply of oxygen is increased. D) Increase in the rate of respiration. Show Answer Correct Answer: B) Decreased blood flow. 24. Which is the correct order/sequence of the parts of a neuron in a neural impulse? A) Dendrite, cell body, axon, synapse. B) Axon, dendrite, cell body, synapse. C) Dendrite, axon, cell body, synapse. D) Synapse, axon, dendrite, cell body. Show Answer Correct Answer: A) Dendrite, cell body, axon, synapse. 25. The gaps between two adjacent myelin sheaths are called (1) Synapse (2) Synaptic gap (3) Nodes of ranvier (4) Sheath gap A) 3. B) 1. C) 4. D) 2. Show Answer Correct Answer: A) 3. 26. Part of brain involved in interpretation, storage of information and initiation of response on the basis of past experience A) Association area. B) Sensory area. C) Thalamus. D) Motor area. Show Answer Correct Answer: A) Association area. 27. Which of the following options is wrong? A) Eye muscles are attached with sclera. B) Visual purple is concerned with dim light, while visual violet is concerned with bright light. C) The colour differentiation is done by cones. D) None. Show Answer Correct Answer: D) None. 28. During conduction of nerve impulse, when stimulus is applied (1) Na$^{+}$ moves out of axoplasm (2) Na$^{+}$ moves into axoplasm (3) K$^{+}$ moves into axoplasm (4) Ca$^{2+}$ moves into axoplasm A) 1. B) 4. C) 3. D) 2. Show Answer Correct Answer: D) 2. 29. An axon conducts nerve impulses ..... the cell body. A) Away from. B) Toward. C) Both toward and away. D) Around, bypassing. Show Answer Correct Answer: A) Away from. 30. Four healthy people in their twenties got involved in injuries resulting in damage and death of a few cells of the following. Which of the cells are least likely to be replaced by new cells? A) Maldivian layer of the skin. B) Liver cells. C) Osteocytes. D) Neurons. Show Answer Correct Answer: D) Neurons. 31. When a person thinks and solve problems, which area of the cerebrum is involved? A) Parietal lobe. B) Occipital lobe. C) Frontal lobe. D) Temporal lobe. Show Answer Correct Answer: C) Frontal lobe. 32. Which one of the following does not act as a neurotransmitter? (1) Cortisone (2) Acetylcholine (3) Dopamine (4) Norepinephrine A) 2. B) 1. C) 3. D) 4. Show Answer Correct Answer: B) 1. 33. Which of the following regions of the brain is incorrectly paired with its function? A) Corpus callosum-Communication between the left and right cerebral cortices. B) Cerebrum-Calculation and contemplation. C) Medulla oblongata-Homeostatic control. D) Cerebellum-Language comprehension. Show Answer Correct Answer: D) Cerebellum-Language comprehension. 34. When an impulse arrives at axon terminal, it stimulates synaptic vesicle to move towards the membrane, where they fuse with plasma membrane and release their neurotransmitter in (1) Receptor (2) Pre-synaptic membrane (3) Synaptic cleft (4) Post-synaptic membrane A) 2. B) 3. C) 4. D) 1. Show Answer Correct Answer: B) 3. 35. The limbic system, involved in emotional reactions and motivation, is primarily associated with which part of the brain? A) Cerebellum. B) Hypothalamus and associated deep structures. C) Cerebral cortex. D) Corpora quadrigemina. Show Answer Correct Answer: B) Hypothalamus and associated deep structures. 36. The two neurons never touch one another, the axon of a neuron is separated from the dendrites on the next neuron by a tiny gap called ..... A) Neurotransmitters. B) Dentrite. C) Synaptic integration. D) Synapse. Show Answer Correct Answer: D) Synapse. 37. Which ossicle gets it vibrations directly from the Tympanic Membrane? A) Stapes. B) Cochlea. C) Melleus. D) Incus. Show Answer Correct Answer: C) Melleus. 38. Consider the following statements. I. Dendites transmit impulses towards the cell body.II. Axon is long fibre whose distal end is non-branched. Choose the correct option- A) Statement I is correct, but II is incorrect. B) Statement I is incorrect, but II is correct. C) Both I and II are correct. D) Both I and II are incorrect. Show Answer Correct Answer: A) Statement I is correct, but II is incorrect. 39. Immediate involuntary response to stimulus is- A) Reflex action. B) Autonomic response. C) Action control. D) None of these. Show Answer Correct Answer: A) Reflex action. 40. During the transmission of nerve impulse through a nerve fibre, the potential on the inner side of the plasma membrane has which type of electric charge? A) First positive, then negative and continue to be negative. B) First negative, then positive and continue to be positive. C) First positive, then negative and again back to positive. D) First negative, then positive and again back to negative. Show Answer Correct Answer: D) First negative, then positive and again back to negative. 41. The smallest cranial nerve in human being is A) Trochlear. B) Opthalmic. C) Vagus. D) Abducens. Show Answer Correct Answer: A) Trochlear. 42. Mid point of yellow spot contains only cones. This point is known as (1) Fovea centralis (2) Macula corpus (3) Macula lucidium (4) Macula rotendus A) 3. B) 4. C) 2. D) 1. Show Answer Correct Answer: D) 1. 43. Injury localised to the hypothalamus would most likely disrupt (1) Short-term memory (2) Coordination during locomotion (3) Executive functions, such as decision making (4) Regulation of body temperature A) 1. B) 3. C) 4. D) 2. Show Answer Correct Answer: C) 4. 44. In a man, abducens nerve is injured. Which one of the following functions will be affected? A) Movement of the white ball. B) Movement of the tongue. C) Swallowing. D) Movement of the neck. Show Answer Correct Answer: A) Movement of the white ball. 45. A-Synaptic knob is bulb-like structure which is present at the end of dendrites.B-For the maintenance of ionic gradients across the resting membrane, the sodium-potassium pump transports 3Na$^{+ }$outwards for 2K$^{+}$into the cell. A) Both are correct. B) Both are incorrect. C) Only A is correct. D) Only B is correct. Show Answer Correct Answer: D) Only B is correct. 46. A-fluid filled inner ear is called labyrinthR-it contains two part bony labyrinth and membranous labyrinth 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: B) A&R both true, but R is not correct explanation of A. 47. Inner part of cerebral cortex is referred as (1) White matter (2) Gray matter (3) Both (A) & (B) (4) Non-myelinated nerve fibres A) 3. B) 2. C) 4. D) 1. Show Answer Correct Answer: D) 1. 48. The malleus, incus, and stapes are collectively called the A) Semicircular canals. B) Maculae. C) Ossicles. D) Otoliths. Show Answer Correct Answer: C) Ossicles. 49. A bipolar neuron has A) 2 dendrites and 1 axon. B) 2 axons and 1 dendrite. C) 1 dendrite and 1 axon. D) 2 axons and 2 dendrites. Show Answer Correct Answer: C) 1 dendrite and 1 axon. 50. The forebrain develops into- A) Diencephalon and Cerebrum. B) Diencephalon and Cerebellum. C) Diencephalon and Medulla. D) Diencephalon and Pons. Show Answer Correct Answer: A) Diencephalon and Cerebrum. 51. Which one of the following reflex do not include international of brain? A) Spinal reflex. B) Efferent reflex. C) Afferent reflex. D) Cranial reflex. Show Answer Correct Answer: A) Spinal reflex. 52. In the yellow spot or fovea centralis, the cell present are A) Rods and cones. B) Only rods. C) Only cones. D) Predominantly rods. Show Answer Correct Answer: C) Only cones. 53. The hind brain develops into which structure? A) Medulla. B) Pons. C) Cerebellum. D) All. Show Answer Correct Answer: D) All. 54. Which is the correct path that a nerve impulse will follow in a reflex arc? A) Sensory neuron$\rightarrow$ interneuron$\rightarrow$ motor neuron. B) Interneuron$\rightarrow$ motor neuron $\rightarrow$ sensory neuron. C) Motor neuron$\rightarrow$ sensory neuron$\rightarrow$ interneuron. D) Motor neuron$\rightarrow$ interneuron$\rightarrow$ sensory neuron. Show Answer Correct Answer: A) Sensory neuron$\rightarrow$ interneuron$\rightarrow$ motor neuron. 55. A stimulus is ..... A) A reaction to a change in surroundings. B) A change in the environment that causes a reaction. C) The center of a cell. D) Process in which organisms grow larger. Show Answer Correct Answer: B) A change in the environment that causes a reaction. 56. The layer of cells that covers the cerebral hemisphere is called as (1) Association area (2) Cerebral cortex (3) Amygdala (4) Cerebral medulla A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: B) 2. 57. Myelinated fibres of the tract forms- A) White matter. B) Grey matter. C) White and grey matter. D) Red matter. Show Answer Correct Answer: A) White matter. 58. Given these structures-***A. Lens***B. Aqueous humour****C. Vitreous humour****D. CorneaChoose the correct sequence of pathway of light from outside to inside the eyeball- A) D, C, B, A. B) A, B, C, D. C) A, D, B, C. D) D, B, A, C. Show Answer Correct Answer: D) D, B, A, C. 59. If myelin sheath present completely around axon what will be happened? A) Conduction is fast. B) Conduction is stoppped. C) Conduction is slow. D) Conduction will be as usual. Show Answer Correct Answer: B) Conduction is stoppped. 60. What role do neurotransmitters play at a chemical synapse? A) They transmit impulses directly through the axon. B) They fill the synaptic cleft with electrical signals. C) They are released from synaptic vesicles to transmit impulses across the synaptic cleft. D) They form the synaptic cleft between neurons. Show Answer Correct Answer: C) They are released from synaptic vesicles to transmit impulses across the synaptic cleft. ← PreviousNext →Related 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 5Class 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