300+ TOP MCQs on Neurons Nerve Impulse and Answers

NEET Biology is the vey important paper in the medical entrance exam. Here, you will discover the NEET Biology MCQs and Answers for all Concepts as per the latest syllabus. Practice more on a regular basis with these NEET Biology objective questions on air pollution . NEET Biology Neurons Nerve Impulse Multiple Choice Questions

MCQs on Neurons Nerve Impulse :

1. The Myelin sheath is derived from the
(a) Microglia
(b) Neuroglial cells
(c) Schwann cells
(d) Nerve cells

Answer

Answer: (c)

2. Nissl’s granules are found in
(a) Nerve cells
(b) WBC
(c) RBC
(d) Platelets

Answer

Answer: (a)

3. Which of these is a disease of the myelin sheath?
(a) Polio
(b) Leprosy
(c) Multiple sclerosis
(d) Alzheimer

Answer

Answer: (c)

4. This neurotransmitter is not a biogenic amine
(a) Serotonin
(b) Dopamine
(c) Norepinephrine
(d) Neuropeptides

Answer

Answer: (d)

5. A nerve impulse jumps from one __________ to another during saltatory conduction
(a) Synapse
(b) Axon
(c) Node of Ranvier
(d) Myelin sheath

Answer

Answer: (c)

6. ________ are the neurons carrying impulses away from the central nervous system
(a) Efferent nerves
(b) Afferent nerves
(c) Extensors
(d) Sensory nerves

Answer

Answer: (a)

7. This amongst the following is found in muscle cells and nerves
(a) membrane potential
(b) potassium equilibrium potential
(c) resting potential
(d) sodium equilibrium potential

Answer

Answer: (c)

8. Which of these has the highest permeability in a resting nerve cell?
(a) Cl-
(b) Na+
(c) K+
(d) I-

Answer

Answer: (c)

9. For the first time, research on nerve cells was carried out on this organism
(a) Grasshopper
(b) Drosophila melanogaster
(c) Octopus
(d) Giant squid

Answer

Answer: (d)

10. Neurotransmitters can inhibit or excite neurons. _________ for example, is inhibitory whereas __________ is excitatory
(a) GABA; glutamate
(b) Glutamate; GABA
(c) Serotonin; dopamine
(d) None of these

Answer

Answer: (a)

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