Class 11 Biology Chapter 21 Neural Control And Coordination Quiz 9 (25 MCQs)

Quiz Instructions

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1. Perception of colour is possible among
2. Myelin sheath is present around-
3. Neurons-
4. Reflex is controlled by-
5. Ion channels present on neural membrane are-
6. X $\rightarrow$ Central Nervous System $\rightarrow$ YWhat are represented by X and Y?
7. A-reissner's and basilar's membrane divides the surrounding perilymph filled bony labyrinth R-division is like upper is scala vestibuli and lower is scala tympani
8. Which is not likely to happen when we do physical exercises?
9. Which is the correct order/sequence of the parts of a neuron in a neural impulse?
10. The gaps between two adjacent myelin sheaths are called (1) Synapse (2) Synaptic gap (3) Nodes of ranvier (4) Sheath gap
11. Part of brain involved in interpretation, storage of information and initiation of response on the basis of past experience
12. Which of the following options is wrong?
13. During conduction of nerve impulse, when stimulus is applied (1) Na$^{+}$ moves out of axoplasm (2) Na$^{+}$ moves into axoplasm (3) K$^{+}$ moves into axoplasm (4) Ca$^{2+}$ moves into axoplasm
14. An axon conducts nerve impulses ..... the cell body.
15. Four healthy people in their twenties got involved in injuries resulting in damage and death of a few cells of the following. Which of the cells are least likely to be replaced by new cells?
16. When a person thinks and solve problems, which area of the cerebrum is involved?
17. Which one of the following does not act as a neurotransmitter? (1) Cortisone (2) Acetylcholine (3) Dopamine (4) Norepinephrine
18. Which of the following regions of the brain is incorrectly paired with its function?
19. When an impulse arrives at axon terminal, it stimulates synaptic vesicle to move towards the membrane, where they fuse with plasma membrane and release their neurotransmitter in (1) Receptor (2) Pre-synaptic membrane (3) Synaptic cleft (4) Post-synaptic membrane
20. The limbic system, involved in emotional reactions and motivation, is primarily associated with which part of the brain?
21. The two neurons never touch one another, the axon of a neuron is separated from the dendrites on the next neuron by a tiny gap called .....
22. Which ossicle gets it vibrations directly from the Tympanic Membrane?
23. Consider the following statements. I. Dendites transmit impulses towards the cell body.II. Axon is long fibre whose distal end is non-branched. Choose the correct option-
24. Immediate involuntary response to stimulus is-
25. During the transmission of nerve impulse through a nerve fibre, the potential on the inner side of the plasma membrane has which type of electric charge?