Biology - Questions and Answers, General Study (GK)

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671.

The control centres that regulate hunger, water balance and body temperature are located in the

(a)Medulla oblongata

(b)Thalamus

(c)Hypothalamus

(d)Pons

Comment

Answer is: C

672.

The rate and force of the heartbeat, the secretion of glands of the alimentary tract and the contraction of involuntary muscles are controlled by the

(a)Spinal nerves

(b)Cranial nerves

(c)Autonomic nervous system

(d)Central nervous system

Comment

Answer is: C

673.

The cerebellum

(a)Controls coordination

(b)Contains the pons

(c)Controls the vital function of respiration and circulation

(d)Controls the release of melatonin

Comment

Answer is: A

674.

Encephalitis occurs when

(a)The meninges of the brain become inflamed

(b)A person suffers a stroke

(c)The basal ganglia are damaged

(d)There is excessive cerebrospinal fluid

Comment

Answer is: A

675.

A person will have brown eyes, blue eyes or black eyes depending upon the particular pigment present in the

(a)Iris

(b)Comea

(c)Choroid

(d)Vitreous body

Comment

Answer is: A

676.

While swallowing a tablet of chloroquin, one experiences its bitter taste when it accidentally comes in contact with the

(a)Centre of the tongue

(b)Tip of the tongue

(c)Side of the tongue

(d)Back of the tongue

Comment

Answer is: D

677.

The centres for balancing and hearing lie respectively, in the

(a)Semicircular canals and middle-ear bones

(b)Cochlea and semicircular canals

(c)Cochlea and middle ear bones

(d)Semicircular canals and cochlea

Comment

Answer is: D

678.

When dust gets into the eye, the part that becomes inflamed and pink is the

(a)Comea

(b)Sclerotic

(c)Choroid

(d)Conjunctiva

Comment

Answer is: D

679.

The expulsion of milk from the breast during suckling is brought about by

(a)Vasopressin

(b)Estrogen and progesterone

(c)Oxytocin

(d)Prolactin

Comment

Answer is: C

680.

Insufficient dietary iodine causes a/an

(a)Giant

(b)Small thyroid

(c)Cretin

(d)Enlarged thyroid

Comment

Answer is: D

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Biology - Questions and AnswersPage 68

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