This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Biology > 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 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A-inner layer of eye is called retina which contain various cellsR-these cells are arranged from outside to inside:ganglion cells, bipolar cells and photoreceptor cells 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: B) A is true but R is false. 2. Which part of the brain regulates the body temperature, hunger and water balance? A) Hypothalamus. B) Pons veroli. C) Medulla oblangata. D) Infundibulum. Show Answer Correct Answer: A) Hypothalamus. 3. In mammalian eye, the 'fovea' is the center of the visual field, where A) The optic nerve leaves the eye. B) High density of cones occur, but has no rods. C) More rods than cones are found. D) Only rods are present. Show Answer Correct Answer: B) High density of cones occur, but has no rods. 4. The structure of the cerebellum supports its function in the brain by: A) Its convoluted surface provides additional space for more neurons, aiding in coordination and balance. B) It connects the left and right hemispheres for communication. C) It regulates body temperature and hunger. D) It forms the limbic system for emotional expression. Show Answer Correct Answer: A) Its convoluted surface provides additional space for more neurons, aiding in coordination and balance. 5. Which one of the following pairs of structures distinguishes a nerve cell from other types of cell? A) Perikaryon and dendrites. B) Vacuoles and fibres. C) Flagellum and medullary sheath. D) Nucleus and mitochondria. Show Answer Correct Answer: A) Perikaryon and dendrites. 6. A-an eyeball contains the translucent crystalline lensR-it is held in place by ciliary body 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: D) Both A&R are false. 7. In myelinated nerve fibres, the myelin sheath is present around the A) Synaptic knobs. B) Axons. C) Cell body. D) Dendrites. Show Answer Correct Answer: B) Axons. 8. Identify the response:You are at the mall walking through the food court. You smell fresh baked pizza and realize that you skipped lunch. You buy a piece of pizza and eat it before going to buy your CD A) The smell of pizza. B) Buying a piece of pizza. C) Food court. D) Buying the CD. Show Answer Correct Answer: B) Buying a piece of pizza. 9. When a neuron is not conducting any impulse i.e. resting, the axonal membrane is (1) Comparatively more permeable to K$^{+}$ and impermeable to Na$^{+}$$^{ }$(2) Impermeable to negatively charged proteins present in the axoplasm (3) Both (1) & (2) (4) More permeable to Na$^{+}$ ions than K$^{+}$ ions A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: C) 3. 10. Area of the retina which contains no photoreceptors and is located over the optic nerve A) Fovea centralis. B) Pupil. C) Blind spot. D) Iris. Show Answer Correct Answer: C) Blind spot. 11. I. Cerebellum has very convoluted surface in order to provide the additional space for more neuronsII. The medulla is connected to the spinal cordIII. Medulla contains controlling centres for respiration, cardiovascular reflexes and gastric secretion A) All are correct. B) Only I is correct. C) Only I and III are correct. D) Only II is correct. Show Answer Correct Answer: A) All are correct. 12. Node of Ranvier is found in A) Dendrite. B) Axon. C) Muscle bundles. D) Right auricle. Show Answer Correct Answer: B) Axon. 13. The cerebral cortex contains motor areas, sensory areas and large regions that are neither clearly sensory nor motor in function. These are associated with ..... (1) Control body temperature (2) Urge for eating (3) Drinking (4) Memory A) 4. B) 3. C) 2. D) 1. Show Answer Correct Answer: A) 4. 14. A-the cerebral cortex contains sensory areas, motor areas and association areasR-these regions are responsible for intersensory associations, memory and communication 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: C) A is true but R is false. 15. The thalamus and hypothalamus develop from- A) Cerebrum. B) Cerebellum. C) Diencephalon. D) Telencephalon. Show Answer Correct Answer: C) Diencephalon. 16. Human body temperature is regulated by the centre located in A) Medulla. B) Cerebrum. C) Cerebellum. D) Hypothalamus. Show Answer Correct Answer: D) Hypothalamus. 17. Function of axon is to- A) Support neuroglial cell. B) Take impulse away from cyton. C) Form myelin sheath. D) Bring impulse into cyton. Show Answer Correct Answer: B) Take impulse away from cyton. 18. Saltatory conduction of impulse occurs in(1) Liver cells (2) Non-myelinated nerve fibres (3) Myelinated nerve fibres (4) None of the above A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: C) 3. 19. Nerve fibres transmit the nerve message by ..... means (1) Chemical (2) Physical (3) Electrochemical (4) Electrical A) 2. B) 3. C) 1. D) 4. Show Answer Correct Answer: B) 3. 20. A-The gaps between two adjacent myelin sheaths are called nodes of Ranvier.B-The rise in the stimulus-induced permeability to Na+ is extremely long lived. A) Both are correct. B) Both are incorrect. C) A is correct only. D) A is incorrect only. Show Answer Correct Answer: C) A is correct only. 21. Which of the following best describes the main function of coordination in the human body? A) To increase the rate of respiration only. B) To maintain homeostasis by integrating and complementing the functions of organs. C) To provide energy for muscular activity. D) To supply oxygen to the brain only. Show Answer Correct Answer: B) To maintain homeostasis by integrating and complementing the functions of organs. 22. The part of the neuron that brings information to the cell body is called a(n) ..... A) Dendrite. B) Node of Ranvier. C) Axon. D) Nucleus. Show Answer Correct Answer: A) Dendrite. 23. S 1-Unmyelinated nerve fibre is enclosed by a Schwann cell .S 2-Unmyelinated nerve fibre is commonly found in autonomous and the somatic neural systems. A) Both are correct. B) Both are incorrect. C) Only S1 is correct. D) Only S2 is correct. Show Answer Correct Answer: A) Both are correct. 24. The specific receptors of the vestibular apparatus responsible for maintenance of balance of the body and posture are (1) Crista and macula (2) Crista and utricle (3) Saccule and macula (4) Saccule and utricle A) 2. B) 4. C) 3. D) 1. Show Answer Correct Answer: D) 1. 25. On what basis, neurons are classified as-unipolar, bipolar or multipolar? A) Transmission of impulse. B) Number of axons and dendrites. C) Sensory or motor nature. D) Number of nucleus within cell body. Show Answer Correct Answer: B) Number of axons and dendrites. 26. What is the role of the thalamus in the brain? A) To regulate emotions and memory. B) To produce hormones. C) To act as a relay station for sensory information. D) To control voluntary movements. Show Answer Correct Answer: C) To act as a relay station for sensory information. 27. In human beings typical nerve cell is A) Pseudounipolar. B) Apolar. C) Bipolar. D) Multipolar. Show Answer Correct Answer: D) Multipolar. 28. Telescopic vision found in A) Amphibians. B) Mammals. C) Birds. D) None of these. Show Answer Correct Answer: C) Birds. 29. Nissl's granules are absent in- A) Dendrons and dendrites. B) Axon. C) Cyton. D) Cyton and dendrons. Show Answer Correct Answer: B) Axon. 30. Sensitive pigmented layer of eye is- A) Retina. B) Cornea. C) Sclera. D) None of these. Show Answer Correct Answer: A) Retina. 31. During repolarization of nerve- A) K$^{+}$ gate closes and Na$^{+ }$gate opens. B) Na$^{+}$ channels are closed and K$^{+ }$channels are opened. C) Both K$^{+}$ and Na$^{+}$ gates are closed. D) Both gates remain opened. Show Answer Correct Answer: B) Na$^{+}$ channels are closed and K$^{+ }$channels are opened. 32. A-photoreceptor cells are absent in blind spotR-optic nerves leaves the eye and retinal blood vessels enters it 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. 33. Cerebrospinal fluids occurs A) Between arachnoid and pia matar. B) Between piamater. C) Between arachnoid dura mater. D) Between dura mater and cranium. Show Answer Correct Answer: A) Between arachnoid and pia matar. 34. A-mid brain is the part of brain stemR:brain stem is formed from midbrain and hindbrain 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. 35. (a) ..... helps in equalising the pressures on either sides of the ear drum.(b) The anterior portion of outer layer of eye is called ..... (c) The dorsal portion of the midbrain consists mainly of four round swellings called ..... A) Eustachian tube, Cornea, Cerebral aqueduct. B) Eustachian tube, Cornea, Corpora quadrigemina. C) Eustachian tube, Sclera, Cerebral aqueduct. D) Eustachian tube, Sclera, Corpora quadrigemina. Show Answer Correct Answer: B) Eustachian tube, Cornea, Corpora quadrigemina. 36. A-external layer of eye is composed of dense connective tissue called scleraR-posterior portion of sclera is cornea 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: C) A is true but R is false. 37. Area of retina containing only cones; sharpest vision A) Vestibule. B) Optic disc. C) Auricle. D) Fovea. Show Answer Correct Answer: D) Fovea. 38. The part of the neurons that perform basic cellular functions such as protein synthesis are the A) Soma. B) Axon. C) Dendrites. D) Synaptic knobs. Show Answer Correct Answer: A) Soma. 39. Which of the following statements is correct about node of Ranvier? A) Axolemma is discontinuous. B) Myelin sheath is discontinuous. C) Both neurilemma and myelin sheathare discontinuous. D) Covered by myelin sheath. Show Answer Correct Answer: B) Myelin sheath is discontinuous. 40. Which excitatory neurotransmitter is involved in the transmission of impulse at the neuro-muscular junction? A) Epinephrine. B) Glycine. C) Serotonin. D) Acetyl choline. Show Answer Correct Answer: D) Acetyl choline. 41. During depolarization of the neuronal membrane- A) K$^{+}$ ions rapidly move to the outside of the cell. B) Na$^{+}$ ions rapidly move to the outside of the cell. C) K$^{+}$ ions rapidly move to the outside of the cell. D) Na$^{+}$ ions rapidly move to the inside of the cell. Show Answer Correct Answer: D) Na$^{+}$ ions rapidly move to the inside of the cell. 42. Which of the following is correct about ear drum (tympanic membrane)? A) It is composed of connective tissues covered with skin inside and with mucous membrane outside. B) It consists of connective tissues covered with skin outside and mucus membrane inside. C) It consists of proteins-lipids-proteins only. D) It consists of hyaline cartilage. Show Answer Correct Answer: B) It consists of connective tissues covered with skin outside and mucus membrane inside. 43. A thin vascular membrane of brain is A) Atachnoid. B) Duramatter. C) Epineurium. D) Piamatter. Show Answer Correct Answer: D) Piamatter. 44. A-limbic system controls our sexual behaviourR-only amygdala, hippocampus forms the complex structure called limbic lobe A) Both A&R are 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: B) A is true but R is false. 45. The blind spot is the region where- A) Image is formed in the dark. B) Image is formed in strong light. C) Image is dim. D) Optic disc is present. Show Answer Correct Answer: D) Optic disc is present. 46. 1-Cerebellum has very convoluted surface.2-Pons contains centres which control respiration, cardiovascular reflexes and gastric secretions.3-Brain stem is formed by midbrain and pons, cerebellum. A) 1 and 3 are correct. B) 1, 2 and 3 are incorrect. C) 1 and 2 are correct. D) 2 and 3 are incorrect. Show Answer Correct Answer: D) 2 and 3 are incorrect. 47. A-the space within cochlea is called scala mediaR-scala media is filled with endolymph 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. 48. A. The released neurotransmitters bind to their specific receptors, present on the pre-synaptic membrane of neuron.B. The new potential developed in post-synaptic neuron is always excitatory. A) A and B both are correct. B) A and B both are incorrect. C) Only A is correct. D) Only B is correct. Show Answer Correct Answer: B) A and B both are incorrect. 49. Suppose you are standing inside a human eye ball. What is the correct order of cells from inside to outside? A) Bipolar cells, Ganglion cells, Photoreceptor cells. B) Photoreceptor cells, Ganglion cells, Bipolar cells. C) Ganglion cells, Bipolar cells and Photoreceptor cells. D) Ganglion cells, Photoreceptor cells, Bipolar cells. Show Answer Correct Answer: C) Ganglion cells, Bipolar cells and Photoreceptor cells. 50. The fovea of eye A) Has the lowest light threshold. B) Is the region of highest visual activity. C) Contains only green and red cones. D) Contains only rods. Show Answer Correct Answer: B) Is the region of highest visual activity. 51. A. The membranous labyrinth is filled with a fluid called perilymph.B. Three semicircular canals are at right angle to each other.C. Only Cochlea is concerned with Hearing.D. Vestibular apparatus is located below the cochlea. A) 3 statement are correct. B) Only 2 statement are incorrect. C) Only 1 statement is correct. D) 3 statement are incorrect. Show Answer Correct Answer: B) Only 2 statement are incorrect. 52. Fenesyra ovalis is the opening of A) Tympanic cavity. B) Brain. C) Cranium. D) Tympanum. Show Answer Correct Answer: A) Tympanic cavity. 53. Eustachian tube connects ..... A ..... cavity with ..... B ..... Choose the correct option for A and B (1) A-Outer ear; B-pharynx (2) A-Inner ear; B-pharynx (3) A-Middle ear; B-pharynx (4) A-Pinna; B-pharynx A) 1. B) 3. C) 4. D) 2. Show Answer Correct Answer: B) 3. 54. Nerve impulses are initiated by nerve fibers only when the membrane shall become more permeable to A) Phosphorua. B) Sodium ions. C) Potassium ions. D) Adrenaline. Show Answer Correct Answer: B) Sodium ions. 55. A ) At Resting state, the axonal membrane is comparatively more permeable to sodium ions (Na+ ) and nearly impermeable to potassium ions (K+ )B) Sodium-potassium pump transports 3 Na+ outwards for 2 K+ 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. 56. What is the electrical potential difference across the resting plasma membrane called? A) Resting potential. B) Action potential. C) Depolarization. D) Nerve impulse. Show Answer Correct Answer: A) Resting potential. 57. Which of the following part in the ear is filled with endolymph? (1) Scala vestibuli (2) Scala tympani (3) Median canal (scalamedia) (4) Helicotrema A) 1. B) 3. C) 2. D) 4. Show Answer Correct Answer: B) 3. 58. Cavity of aqueous humour (watery fluid) is- A) Behind the lens. B) Between choroid and retina. C) Between cornea and lens. D) Between lens and retina. Show Answer Correct Answer: C) Between cornea and lens. 59. Which two systems in the body jointly coordinate and integrate all the activities of organs? A) Digestive and respiratory systems. B) Neural and endocrine systems. C) Muscular and skeletal systems. D) Circulatory and excretory systems. Show Answer Correct Answer: B) Neural and endocrine systems. 60. Which part of the synapse contains vesicles filled with neurotransmitters? A) Post-synaptic membrane. B) Receptors. C) Synaptic cleft. D) Axon terminal. Show Answer Correct Answer: D) Axon terminal. ← 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 3Class 11 Biology Chapter 21 Neural Control And Coordination Quiz 4Class 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