This quiz works best with JavaScript enabled. Home > Class 11 > 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 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. 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. 2. Which excitatory neurotransmitter is involved in the transmission of impulse at the neuro-muscular junction? A) Epinephrine. B) Serotonin. C) Acetyl choline. D) Glycine. Show Answer Correct Answer: C) Acetyl choline. 3. During depolarization of the neuronal membrane- A) Na$^{+}$ ions rapidly move to the inside 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) K$^{+}$ ions rapidly move to the outside of the cell. Show Answer Correct Answer: A) Na$^{+}$ ions rapidly move to the inside of the cell. 4. 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. 5. A thin vascular membrane of brain is A) Atachnoid. B) Piamatter. C) Duramatter. D) Epineurium. Show Answer Correct Answer: B) Piamatter. 6. 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. 7. The blind spot is the region where- A) Image is dim. B) Image is formed in strong light. C) Optic disc is present. D) Image is formed in the dark. Show Answer Correct Answer: C) Optic disc is present. 8. 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. 9. 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. 10. 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. 11. 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. 12. 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. 13. 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 1 statement is correct. C) Only 2 statement are incorrect. D) 3 statement are incorrect. Show Answer Correct Answer: C) Only 2 statement are incorrect. 14. Fenesyra ovalis is the opening of A) Cranium. B) Tympanum. C) Tympanic cavity. D) Brain. Show Answer Correct Answer: C) Tympanic cavity. 15. 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) 2. C) 3. D) 4. Show Answer Correct Answer: C) 3. 16. Nerve impulses are initiated by nerve fibers only when the membrane shall become more permeable to A) Adrenaline. B) Phosphorua. C) Sodium ions. D) Potassium ions. Show Answer Correct Answer: C) Sodium ions. 17. 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. 18. What is the electrical potential difference across the resting plasma membrane called? A) Action potential. B) Resting potential. C) Nerve impulse. D) Depolarization. Show Answer Correct Answer: B) Resting potential. 19. 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) 2. C) 3. D) 4. Show Answer Correct Answer: C) 3. 20. 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. 21. 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. 22. Which part of the synapse contains vesicles filled with neurotransmitters? A) Post-synaptic membrane. B) Axon terminal. C) Synaptic cleft. D) Receptors. Show Answer Correct Answer: B) Axon terminal. 23. A. Vertebrates have a more developed neural system.B . The efferent nerve fibres transmit impulses from tissues/organs to the CNS 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: C) Only A is correct. 24. What does the neuron's Axon do? A) Controls the actions of the neuron. B) Produces food for the neuron. C) Carries information from the cell body to other neuronsThis is a wrong answer. D) Controls speed of electrical signal through the axon. Show Answer Correct Answer: C) Carries information from the cell body to other neuronsThis is a wrong answer. 25. When a neuron is not conducting any impulse i.e. resting, the axonal membrane is- A) Comparatively more permeable to K$^{+}$ and impermeable (nearly impermeable) to Na$^{+}$. B) Impermeable to negatively charged proteins present in the axoplasm. C) Both a and b. D) More permeable to Na+ ions than K+ ion. Show Answer Correct Answer: C) Both a and b. ← PreviousNext →Related 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 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