This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 21 Neural Control And Coordination – Quiz 10 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 21 Neural Control And Coordination Quiz 10 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The smallest cranial nerve in human being is A) Trochlear. B) Opthalmic. C) Abducens. D) Vagus. Show Answer Correct Answer: A) Trochlear. 2. 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) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: A) 1. 3. 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) 2. C) 3. D) 4. Show Answer Correct Answer: D) 4. 4. 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. 5. 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. 6. 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. 7. Inner part of cerebral cortex is referred as (1) White matter (2) Gray matter (3) Both (A) & (B) (4) Non-myelinated nerve fibres A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: A) 1. 8. The malleus, incus, and stapes are collectively called the A) Maculae. B) Otoliths. C) Semicircular canals. D) Ossicles. Show Answer Correct Answer: D) Ossicles. 9. 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. 10. 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. 11. Which one of the following reflex do not include international of brain? A) Spinal reflex. B) Cranial reflex. C) Afferent reflex. D) Efferent reflex. Show Answer Correct Answer: A) Spinal reflex. 12. 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. 13. The hind brain develops into which structure? A) Medulla. B) Pons. C) Cerebellum. D) All. Show Answer Correct Answer: D) All. 14. Which is the correct path that a nerve impulse will follow in a reflex arc? A) Motor neuron$\rightarrow$ interneuron$\rightarrow$ sensory neuron. B) Interneuron$\rightarrow$ motor neuron $\rightarrow$ sensory neuron. C) Motor neuron$\rightarrow$ sensory neuron$\rightarrow$ interneuron. D) Sensory neuron$\rightarrow$ interneuron$\rightarrow$ motor neuron. Show Answer Correct Answer: D) Sensory neuron$\rightarrow$ interneuron$\rightarrow$ motor neuron. 15. A stimulus is ..... A) Process in which organisms grow larger. B) A change in the environment that causes a reaction. C) A reaction to a change in surroundings. D) The center of a cell. Show Answer Correct Answer: B) A change in the environment that causes a reaction. 16. 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. 17. 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. 18. 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, B, A, C. B) A, B, C, D. C) D, C, B, A. D) A, D, B, C. Show Answer Correct Answer: A) D, B, A, C. 19. If myelin sheath present completely around axon what will be happened? A) Conduction will be as usual. B) Conduction is slow. C) Conduction is fast. D) Conduction is stoppped. Show Answer Correct Answer: D) Conduction is stoppped. 20. 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. 21. Repolarization of nerve cell involves A) Influx of potassium ion. B) Influx of sodium ion. C) Influx of calcium and potassium ion. D) Efflux of sodium ion. Show Answer Correct Answer: A) Influx of potassium ion. 22. The gelatinous, elastic membrane covering the sensory hair cells of the human ear is known as (1) Basilar membrane (2) Tectorial membrane (3) Reissner's membrane (4) Neuro-sensory membrane A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: B) 2. 23. Inside the skull, the brain is covered by cranial meninges. The correct order of layer from inside to outside- A) Dura mater, Pia mater, Arachnoid. B) Arachnoid, Dura mater, Pia mater. C) Pia mater, Arachnoid, Dura mater. D) Dura mater, Arachnoid, Pia mater. Show Answer Correct Answer: C) Pia mater, Arachnoid, Dura mater. 24. What is the purpose of the nervous system? A) Control and communication of and between systems of the body. B) To let you know when you when you should feel anxious about something. C) All the above. D) None of the above. Show Answer Correct Answer: A) Control and communication of and between systems of the body. 25. Route of reflex arc A) Effector, grey matter, motor fibers, sensory fibers and receptors. B) Receptors, sensory fibers, grey matter and motor fibers. C) Receptors, sensory fibers, grey matter, motor fibers and effector. D) Sensory fiber, grey matter, motor fiber, receptors and effectors. Show Answer Correct Answer: C) Receptors, sensory fibers, grey matter, motor fibers and effector. ← 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 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 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books