Biology Chapter 5 Entry test MCQs
51. Impulses jump across synapse in the form of chemical messenger such as:
a. Leucine
b. Glutamine
c. Dopamine
d. Arginine
52. A———is a junction between two neurons or between a motor neuron and a muscle cell.
a. Synapse
b. Impulse
c. Cleft
d. Axon
53. Which of following neurotransmitters affect sleep, mood and learning?
a. Dopamine and serotonin
b. Epinephrine and dopamine
c. Epinephrine and nor-epinephrine
d. Nor-epinephrine and serotonin
Brain
54. Sense of hearing is concerned with:
a. Hypothalamus
b. Cerebral cortex
c. Cerebellum
d. Medulla
55. In humans, this part is called as emotion center of brain:
a. Hypothalamus
b. Thalamus
c. Pons
d. Amygdala
56. Lobe are present in:
a. Pons
b. Hypothalamus
c. Amygdala
d. Cerebrum
57. CSF circulates in all of the following parts except:
a. Dorsal ventricles
b. Lateral ventricles
c. Central canal
d. Corpus callosum
Spinal Cord
58. Spinal cord terminates at the level of:
a. 1st Lumber vertebra
b. Sacrum
c. 2nd Lumber vertebra
d. Соссух
59. Grey matter is composed of:
a. Cell bodies of neuron
b. Schwann cells
c. Nissl’s granules
d. Neuron fibres
60. The primary function of spinal cord is to:
a. Communicate two hemispheres
b. Produce CSF
c. Communicate brain with rest of body
d. Produce hormones
Peripheral Nervous System
61. Preparing the body for the “fight-or-flight” response is the role of:
a. Parasympathetic nervous system
b. Sympathetic nervous system
c. Somatic nervous system
d. Autonomic nervous system
62. Vagus nerve arises from——-region.
a. Thoracic
b. Cervical
c. Pelvic
d. Lumbar
63. Bundle of axons or dendrites bounded by connective tissue inside CNS is:
a. Ganglia
b. Nerves
c. Nuclei
d. Tracts
64. Gray matter of spinal cord contains:
a. Cell bodies and unmyelinated cell processes
b. Myelinated cell bodies only
c. Cell bodies and myelinated cell processes
d. Myelinated cell processes only
Hormones
65. The incorrect statement regarding hormones is:
a. Organic in nature
b. Endocrine secretion
c. Transported by blood
d. Initiate biochemical reaction
66. Cholesterol serves as precursor of:
a. Adenoid hormones
b. Proteins hormones
c. Glucocorticoids hormones
d. Steroid hormones
67. Pick the system which transports hormone in the body:
a. Circulatory system
b. Endocrine system
c. Muscular system
d. Nervous system
68. Chemically hormones are:
a. Carbohydrates
b. Proteins
c. Steroids
d. Both B and C
Endocrine System of Man ( Hypothalamus)
69. Hypothalamus produces all of the following except:
a. ADH
b. CRF
c. ACTH
d. TRF
70. Which of the following neurotransmitters function, both as neurotransmitter and hormones, decreasing our perception of pain?
a. Serotonin
b. Epinephrine
c. Endorphins
d. Dopamine
Pituitary Gland
71. Pituitary gland is attached to hypothalamus by:
a. Corpus callosum
b. Hypophysis
c. Infundibulum
d. Axons
72. What results in production of large quantities of urine and great thirst?
a. Lack of ADH
b. Lack of aldosterone
c. Over-secretion of oxytocin
d. Lack of oxytocin
73. Which of the following option correctly depicts neurosecretory hormone?
a. ICSH and TRF
b. Oxytocin and ADH
c. TSH and STH
d. ACTH and LH
74. The pituitary gland is also called as:
a. Neurohypophysis
b. Adenohypophysis
c. Epiphyses cerebri
d. Hypophysis cerebri
75. Term master gland is used for:
a. Posterior pituitary
b. Anterior pituitary
c. Pituitary gland
d. Median pituitary