Which one of the following statements is correct?

Match List I with List II:

Choose the correct answer from the options given below:

As per ABO blood grouping system, the blood group of father is and child is Their respective genotype can be

Choose the most appropriate answer from the options given below;

Figure shows schematic plan of blood circulation in humans with labels A to D, Identify the label and give its function/s.

Which one of the following animals has two separate circulatory pathways?

The diagram given here is the standard ECG of a normal person. The P- wave represents the:

Match the Column-I with Column-II

Select the correct option.
(A) (B) (C) (D)

What would be the heart rate of a person if the cardiac output is 5 L, blood volume in the
ventricles at the end of diastole is 100 mL and at the end of ventricular systole is 50 mL?

Given below are two statements:
Statement I :
The coagulum is formed of network of threads called thrombins.
Statement II :
Spleen is the graveyard of erythrocytes.
In the light of the above statements, choose the most appropriate answer from the options given below :

Reduction in pH of blood will:

Which enzyme is responsible for the conversion of inactive fibrinogens to fibrins?