This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 21 Neural Control And Coordination – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 21 Neural Control And Coordination Quiz 3 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The tract of nerve fibres connecting the two cerebral hemispheres is called A) Thalamus. B) Cerebral aqueduct. C) Corpus albicans. D) Corpus callosum. Show Answer Correct Answer: D) Corpus callosum. 2. Axon endings release from its synaptic vesicles, a neuro-transmitter substance known as (1) Acetylcholine (2) Acetylcholinesterases (3) Inositol-3-phosphate (4) Diacylglycerol A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: A) 1. 3. The waxy substance secreting sebaceous glands present in skin of external auditory meatus are- A) Zeis gland. B) Harderian gland. C) Meibomian gland. D) Ceruminous gland. Show Answer Correct Answer: D) Ceruminous gland. 4. Which part of the eye absorbs light from the sides of the eye? A) Lens. B) Ciliary body. C) Choroid. D) Pupil. Show Answer Correct Answer: C) Choroid. 5. Neurons are excitable cells because their membranes are in a- A) Depolarised state. B) Polarized state. C) Repolarized state. D) None of the above is correct. Show Answer Correct Answer: B) Polarized state. 6. What is the correct order of the ossicles? A) Malleus, Incus Stapes. B) Incus, Malleus, Stapes. C) Stapes, Incus, Malleus. D) Stapes, Malleus, Incus. Show Answer Correct Answer: A) Malleus, Incus Stapes. 7. A polarized neuron is said to be in- A) Action potential. B) Spike potential. C) Resting potential. D) None of these. Show Answer Correct Answer: C) Resting potential. 8. The correct sequence meninges from inner to outerside is- A) $Arachnoid\rightarrow Duramater\rightarrow Piamater$. B) $Duramater\rightarrow Arachnoid\rightarrow Piamater$. C) $Piamater\rightarrow Arachnoid\rightarrow Duramater$. D) $Piamater\rightarrow Duramater\rightarrow Arachnoid$. Show Answer Correct Answer: C) $Piamater\rightarrow Arachnoid\rightarrow Duramater$. 9. The junction between the axon of one neuron and the dendrite of the next is called- A) A joint. B) Constant bridge. C) Junction point. D) Synapse. Show Answer Correct Answer: D) Synapse. 10. In nerve resting membrane potential is maintained by: A) Active transport. B) Passive diffusion. C) Both (a) and (b). D) Unidirectional flow of ion. Show Answer Correct Answer: C) Both (a) and (b). 11. A. A neuron is a macroscopic structure composed of three major parts.B. The axons transmit nerve impulses away from the cell body to a synapse or to a neuro-muscular junction. A) Both A and B are correct. B) Both A and B are incorrect. C) Only A is correct. D) Only B is correct. Show Answer Correct Answer: D) Only B is correct. 12. 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. 13. Which part of the brain regulates the body temperature, hunger and water balance? A) Hypothalamus. B) Infundibulum. C) Medulla oblangata. D) Pons veroli. Show Answer Correct Answer: A) Hypothalamus. 14. In mammalian eye, the 'fovea' is the center of the visual field, where A) Only rods are present. B) More rods than cones are found. C) High density of cones occur, but has no rods. D) The optic nerve leaves the eye. Show Answer Correct Answer: C) High density of cones occur, but has no rods. 15. 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. 16. 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. 17. 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. 18. In myelinated nerve fibres, the myelin sheath is present around the A) Cell body. B) Dendrites. C) Axons. D) Synaptic knobs. Show Answer Correct Answer: C) Axons. 19. 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) Buying the CD. D) Food court. Show Answer Correct Answer: B) Buying a piece of pizza. 20. 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. 21. Area of the retina which contains no photoreceptors and is located over the optic nerve A) Fovea centralis. B) Blind spot. C) Pupil. D) Iris. Show Answer Correct Answer: B) Blind spot. 22. 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. 23. Node of Ranvier is found in A) Muscle bundles. B) Dendrite. C) Axon. D) Right auricle. Show Answer Correct Answer: C) Axon. 24. 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) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: D) 4. 25. 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. ← 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 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 10Class 11 Biology Chapter 21 Neural Control And Coordination Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books