51.
The thyroid gland is homologous to which part of lower chordates
A
Neural gland
B
Pharyngeal gill pouch
C
Nerve cord
D
Endostyle
Answer :
Endostyle
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52.
Basal nuclei situated in
A
Thalamus
B
Hypothalamus
C
Wall of cerebral hemisphere
D
Independently situated
Answer :
Wall of cerebral hemisphere
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53.
Respiratory control in brain occurs in
A
Medulla
B
Cerebellum
C
Hypothalamus
D
Pericardium
Answer :
Medulla
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54.
None Myelinated axons differ from myelinated in that they
A
Are more excitable
B
Lack nodes of Ranvier
C
Are not capable of regeneration
D
Are not associated with Schwann cells
Answer :
Lack nodes of Ranvier
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55.
If receptor molecule is removed from target organ for hormone action , the target organ will
A
Continue to respond but require higher concentration of hormone
B
Continue to respond but in opposite way
C
Continue to respond without any difference
D
Not respond to hormone
Answer :
Not respond to hormone
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56.
Hormone secreted by pituitary gland is chemically
A
All protein
B
All steroid
C
Complex compounds of proteins and carbohydrates
D
Some steroid and some protein
Answer :
All protein
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57.
Hypothyroidism causes in adult
A
Obesity
B
Diabetes
C
Cretinism
D
Myxoedema
Answer :
Myxoedema
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58.
Which hormone causes dilation of blood vessels, increased oxygen consumption and glucogenesis?
A
Insulin
B
Adrenaline
C
Glucagon
D
ACTH
Answer :
Adrenaline
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59.
Which one of the following is not a second messenger in hormone action ?
A
Calcium
B
Sodium
C
cAMP
D
cGMP
Answer :
Sodium
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60.
Norepinephrine leads to increase in
A
Blood pressure
B
Urine production
C
Cellular respirqation
D
Release of epinephrine
Answer :
Blood pressure
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