This quiz works best with JavaScript enabled. Home > Class 11 > 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 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The thalamus and hypothalamus develop from- A) Telencephalon. B) Diencephalon. C) Cerebrum. D) Cerebellum. Show Answer Correct Answer: B) Diencephalon. 2. Human body temperature is regulated by the centre located in A) Cerebrum. B) Cerebellum. C) Medulla. D) Hypothalamus. Show Answer Correct Answer: D) Hypothalamus. 3. Function of axon is to- A) Bring impulse into cyton. B) Take impulse away from cyton. C) Support neuroglial cell. D) Form myelin sheath. Show Answer Correct Answer: B) Take impulse away from cyton. 4. 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. 5. Nerve fibres transmit the nerve message by ..... means (1) Chemical (2) Physical (3) Electrochemical (4) Electrical A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: C) 3. 6. 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. 7. 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. 8. The part of the neuron that brings information to the cell body is called a(n) ..... A) Dendrite. B) Axon. C) Nucleus. D) Node of Ranvier. Show Answer Correct Answer: A) Dendrite. 9. 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. 10. 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) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: A) 1. 11. Which one of the following statements is not correct? A) Retinal is the light absorbing portion of visual photo pigments. B) In retina the rods have the photopigment rhodopsin while cones have three different photopigments. C) Retinal is a derivative of Vitamin C. D) Rhodopsin is the purplish red protein present in rods only. Show Answer Correct Answer: C) Retinal is a derivative of Vitamin C. 12. 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. 13. 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. 14. In human beings typical nerve cell is A) Bipolar. B) Apolar. C) Multipolar. D) Pseudounipolar. Show Answer Correct Answer: C) Multipolar. 15. Telescopic vision found in A) Amphibians. B) Mammals. C) Birds. D) None of these. Show Answer Correct Answer: C) Birds. 16. Nissl's granules are absent in- A) Dendrons and dendrites. B) Axon. C) Cyton. D) Cyton and dendrons. Show Answer Correct Answer: B) Axon. 17. Sensitive pigmented layer of eye is- A) Retina. B) Cornea. C) Sclera. D) None of these. Show Answer Correct Answer: A) Retina. 18. 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. 19. 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. 20. 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. 21. 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. 22. (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, Sclera, Cerebral aqueduct. B) Eustachian tube, Sclera, Corpora quadrigemina. C) Eustachian tube, Cornea, Cerebral aqueduct. D) Eustachian tube, Cornea, Corpora quadrigemina. Show Answer Correct Answer: D) Eustachian tube, Cornea, Corpora quadrigemina. 23. 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. 24. Area of retina containing only cones; sharpest vision A) Auricle. B) Fovea. C) Optic disc. D) Vestibule. Show Answer Correct Answer: B) Fovea. 25. The part of the neurons that perform basic cellular functions such as protein synthesis are the A) Axon. B) Dendrites. C) Synaptic knobs. D) Soma. Show Answer Correct Answer: D) Soma. ← 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 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