Body Fluids And Circulation

Biology
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Match the following columns and select the correct option.

Column - IColumn - II
(a)Eosinophils(i)Immune response
(b)Basophils(ii)Phagocytosis
(c)Neutrophils(iii)Release histaminase, destructive
enzymes
(d)Lymphocytes(iv)Release granules containing histamine

A
B
C
D
Medium
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The QRS complex in a standard ECG represents: 

A
Depolarisation of atria
B
Depolarisation of ventricles
C
Repolarisation of ventricles
D
Repolarisation of atria
Medium
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The diagram given here is the standard ECG of a normal person. The P wave represents the

A
Contraction of both the atria.
B
Initation of the ventricular contraction.
C
Beginning of the systole.
D
End of systole.
Hard
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Frogs differ from humans in possessing

A
Paired cerebral hemispheres
B
Hepatic portal system
C
Nucleated red blood cells
D
Thyroid as well as parathyroid
Hard
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Given above is the ECG of a normal human. Which one of its components is correctly interpreted below?

A
Complex QRS-One complete pulse
B
Peak T - Initiation of total cardiac contraction
C
Peak P and Peak R together - systolic and diastolic blood pressures
D
Peak P - Initiation of left atrial contraction only
Hard
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The hepatic portal vein drains blood to liver from:

A
Intestine
B
Heart
C
Stomach
D
Kidneys
Medium
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In mammals, which blood vessel would normally carry largest amount of urea?

A
Renal Vein
B
Dorsal Aorta
C
Hepatic Vein
D
Hepatic Portal Vein
Medium
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