MCQs Biology F.Sc. Part 2 ( 2nd Year )
Chapter No.17
Coordination and Control
Total MCQs = 219
All MCQs taken from Old MDCAT Tests
31. Neurons which make up the nervous system consist of:
(A) An axon
(B) 2 or more dendrites
(C) Cell body containing a nucleus
(D) All (A), (B) and (C)
Answer:
(D) All (A), (B) and (C)
32. Who send information from the sense organs to the C.N.S?
(A) Sensory neurons
(B) Motor neurons
(C) Interneurons
(D) Neuroglia
Answer:
(A) Sensory neurons
33. Who send information from the C N. S. to the effectors?
(A) Sensory neurons
(B) Motor neurons
(C) Interneurons
(D) Neuroglia
Answer:
(B) Motor neurons
34. Who connect different neurons together, send information between neurons. Through short dendrites and short axons?
(A) Sensory neurons
(B) Motor neurons
(C) Inter-neurons
(D) Neuroglia
Answer:
(C) Inter-neurons
37. The very small gap between an axon sending a message and dendrite receiving the message is the:
(A) Axon terminal
(B) Receptor
(C) Synapse
(D) Effector
Answer:
(C) Synapse
38. Which part of neuron carries the signals away from the soma?
(A) Axon
(B) Dendrite
(C) Transmitter
(D) Synapse
Answer:
(A) Axon
39. The neurons of CNS that form myelin sheath, provide nutrition and are involved in phagocytic activity are know as:
(A) Sensory neurons
(B) Motor neurons
(C) Interneurons
(D) Neuroglia
Answer:
(D) Neuroglia
40. It is an automatic neuromuscular action elicited by a defined stimulus:
(A) Voluntary action
(B) Reflex action
(C) Motor action
(D) All of the choices are correct
Answer:
(B) Reflex action
