131.
Which organ receives only oxygenated blood
A
Gill
B
Spleen
C
Lung
D
Liver
Answer :
Spleen
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132.
Heart of fishes
A
Two chambered
B
Venous heart
C
A and B both
D
None of the above
Answer :
A and B both
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133.
The 'Lubb' and "Dupp" heart sound are due to
A
Opening of heart valves
B
Action of papillary muscles
C
Closing of heart valves
D
Activity of pace maker
Answer :
Closing of heart valves
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134.
Pericardial fluid is secreted secreted by
A
Myocardium
B
Perietal peritoneum
C
Visceral peritoneum
D
Pericardium
Answer :
Pericardium
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135.
To reach the left side of heart the blood must pass through
A
Sinus venosus
B
Kidneys
C
Liver
D
Lungs
Answer :
Lungs
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136.
Single heart circuit occurs in
A
Fishes
B
Frog
C
Reptiles
D
Man
Answer :
Fishes
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137.
Coagulation of lymph is
A
Faster than blood
B
Not possible
C
Slower than blood
D
A passive process
Answer :
Slower than blood
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138.
Wall of blood capillary is
A
Single layered
B
Multilayered
C
Multilayered but differentiated into 3 coats
D
Noncellular
Answer :
Single layered
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139.
Which one of the following is correct ?
A
Serum = Blood + Fibrinogen
B
Lymph = Plasma + RBC + WBC
C
Blood = Plasma + RBC + WBC
D
Plasma = Blood - Lymphocytes
Answer :
Blood = Plasma + RBC + WBC
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140.
The largest and the thickest heart chamber is
A
Left ventricle
B
Left atrium
C
Right atrium
D
Right ventricle
Answer :
Left ventricle
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