Circulatory System in Animals
Questions about blood components, heart structure, and circulatory functions in animals
Questions
Question 1 Multiple Choice (Single Answer)
The clotting of blood cannot take place in the absence of
- vitamin A
- vitamin K
- calcium ions
- vitamin B
Question 2 Multiple Choice (Single Answer)
Clumping of RBC may occur when the blood of one person is mixed with the serum or blood of another person. This is due to
- antigen – antibody reaction
- antitoxin – antibody reaction
- antitoxin – antigen reaction
- antibody – antibody reaction
Question 3 Multiple Choice (Single Answer)
The medium of plasma is
- acidic
- basic
- neutral
- none of these
Question 4 Multiple Choice (Single Answer)
Which of the following organs destroys the worn out RBCs in the body of vertebrates?
- Pancreas
- Liver
- Spleen
- Bone marrow
Question 5 Multiple Choice (Single Answer)
If haemoglobin is replaced by haemocyanin, the blood will carry
- less oxygen
- more oxygen
- no oxygen
- same amount of oxygen
Question 6 Multiple Choice (Single Answer)
The heart of a man is
- myogenic
- neurogenic
- cardiogenic
- digenic
Question 7 Multiple Choice (Single Answer)
Bicuspid valves are present in between
- left atrium and left ventricle
- right atrium and right ventricle
- left atrium and right atrium
- right ventricle and left ventricle
Question 8 Multiple Choice (Single Answer)
The heart beat is heard on the left side of the chest as
- aorta is present on the left side
- heart is present on the left side
- ventricles are present on the left side
- left ventricle is present on the left side
Question 9 Multiple Choice (Single Answer)
The phase of contraction of the heart is termed as
- heart beat
- systole
- diastole
- heart sound
Question 10 Multiple Choice (Single Answer)
The atrioventricular node is located on the
- right side of interauricular septum
- right side of interventricular septum
- middle of interauricular septum
- middle of interventricular septum