C:-only (iv) is correct
D:-(ii), (iii) and (iv) are correct
Correct Answer:- Option-A

Question64:-Oxytocin and vasopressin are structurally and functionally similar
nonapeptides secreted by the posterior pituitary. The difference between the two is
that

A:-Phenyl alanine and Arginine of Vasopressin are substituted by Isoleucine
and leucine in Oxytocin

B:-Phenyl alanine and Arginine of Oxytocin are substituted by Isoleucine and
leucine in Vasopressin

C:-lsoleucine and leucine of Vasopressin are substituted by cysteine and
tyrosine in Oxytocin

D:-Cysteine and tyrosine of Vasopressin are substituted by Isoleucine and
leucine in Oxytocin

Correct Answer:- Option-A

Question65:-Contribution of external factors in their descending order, in
compressing the lymph vessel adn thereby causing pumping of lymph, are

A:-Contraction of surrounding skeletal muscles, movement of the part of the
body, pulsation of arteries adjacent to the lymphatics, compression of the tissues
by objects outside the body

B:-Compression of the tissues by objects outside the body, pulsation of
arteries adjacent to the lymphatics, movement of the parts of the body, contraction
of surrounding skeletal muscles

C:-Movement of the parts of the body, contraction of surrounding skeletal
muscles, pulsation of arteries adjacent to the lymphatics, movement of the parts of
the body, compression of the tissues by objects outside the body

D:-Movement of the parts of the body, pulsation of arteries ajacent to the
lymphatics, contraction of surounding skeletal muscles, pulsation of arteries ajacent
to the lymphatics

Correct Answer:- Option-A
Question66:-State bird of Kerala is

A:-Buceros bicornis

B:-Malabar banded peacock

C:-Paradise flycatcher

D:-Pavo cristatus

Correct Answer:- Option-A

Question67:-Physiology of which sensation involves a hyperpolarizaton rather than
depolarization?

A:-Taste
B:-Smell
C:-Hearing