MCQ Choice of Question and Answers in Biology Part 14
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26. Inborn reflex is called
(a) Conditioned reflex
(b) Unconditioned reflex
(c) Superficial reflex
(d) Polysynaptic reflex
Answer: b
27. The reflex acquired by experience is
(a) Polysynaptic reflex
(b) Superficial reflex
(c) Conditioned reflex
(d) Unconditioned reflex
Answer: c
28. True about unconditioned reflex
(a) Transmitted through heredity
(b) Acquired after birth
(c) Is monosynaptic reflex
(d) Typing is an example of it.
Answer: a
29. Withdrawal reflex is an example of
(a) Monosynaptic reflex
(b) Bisynaptic reflex
(c) Asynaptic reflex
(d) Polysynaptic reflex
Answer: d
30. Painful stimuli given to animal results in
(a) Axon reflex
(b) Postural reflex
(c) Stretch reflex
(d) Withdrawal reflex
Answer: d
31. Myelinated fibers differ from unmyelinated fibers in that, former are characterized by;
(a) Conduction is slow
(b) Saltatory conduction
(c) Schwann cells do not wrap the axon
(d) Conduction is a continuous process
Answer: b
32. Which is not a glial cell;
(a) Schwann cell
(b) Microglia
(c) Astrocyte
(d) Oligodendrocyte
Answer: a
33. The type of synapse which is most common in the nervous system;
(a) Axo-dendritic
(b) Axo-somatic
(c) Axo-axonal
(d) Dendro-dendritic
Answer: a
34. The process of formation of myelin sheath is called
(a) Neurogenesis
(b) Myelinogenesis
(c) Agenesis
(d) Dysgenesis
Answer: b
35. The process of degeneration of peripheral nerve distal to the site of injury is termed
(a) Broadmann՚s degeneration
(b) Wallerian degeneration
(c) Marey՚s degeneration
(d) Starling՚s degeneration
Answer: b