41.
Role of spleen in mammals is
A
To control Blood pressure
B
To assist liver
C
To assist kidneys
D
To act as haemopoitic tissue in embryo
Answer :
To act as haemopoitic tissue in embryo
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42.
During high blood pressure, regulations of heart beat and circulation are controlled by
A
Vasodilator and vasoconstrictor centres
B
Cardio-stimulatory and vasoconstrictor centres
C
Cardio-inhibitory and vasoconstrictor centres
D
Cardio-inhibitory and vasodilator centers
Answer :
Cardio-stimulatory and vasoconstrictor centres
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43.
Blood pressujre and heart beat is regulated by
A
Insulin
B
Adrenalin
C
Optic nerve
D
PH
Answer :
Adrenalin
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44.
The blood vascular system of rabbit is
A
Open type
B
Closed type
C
Semi closed type
D
Semi open type
Answer :
Closed type
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45.
Blood vessel which brings oxygenated blood to left auricle is
A
Precaval vein
B
Post caval vein
C
Pulmonary vein
D
Pulmonary artery
Answer :
Pulmonary vein
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46.
The genotype of $$B$$-group father of an $$O$$-group child is
A
$${I^O}{I^O}$$
B
$${I^B}{I^B}$$
C
$${I^A}{I^B}$$
D
$${I^O}{I^B}$$
Answer :
$${I^O}{I^B}$$
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47.
After the death of Rabbit
A
Movement of eye balls
B
Movement of eye libs
C
Closing & opeing thevalves of heart
D
Movement of pinnae
Answer :
Movement of pinnae
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48.
Which one of the following animals has two separate circulatory pathways?
A
Lizard
B
Whale
C
Shark
D
Frog
Answer :
Whale
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49.
Heart of pigeon (Birds) is
A
3 - chambered
B
3 1/2- chambered
C
4 - chambered
D
Ventricle and aorta
Answer :
4 - chambered
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50.
Thebesian valve guards
A
Coronary sins
B
Bases of pulmonary veins
C
Opening between right auricle & right ventricle
D
Opening between left auricle and left ventricle
Answer :
Coronary sins
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