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)