CBSE Class 11 Biology Body Fluids and Circulation Quiz 2

1. Which of the following statement/statements can be related to erythroblastosis foetalis?

A Severe anemia and jaundice to the baby. B Can be avoided by giving anti-Rh antibodies to mother immediately after delivery of the first child. C Rh-antibodies from the Rh -ve mother destroys foetal RBCs. D All of the above

2. Among the following stem cells, which are found in the umbilical cord?

A Cord blood stem cells B Adult stem cells C Embryonic stem cells D All of the above

3. If vagus nerve is cut the heart beat

A increases B decreases C will not be affected D will stop immediately

4. If due to some injury the chordae tendinae of the tricuspid valve of the human heart is partially non-functional, what will be the immediate effect?

A The flow of blood into the pulmonary artery will be reduced B The flow of blood into the aorta will be slowed down C The pacemaker will stop working D The blood will tend to flow back into the left atrium

5. Heparin is

A Anti-allergic B Blood diluter C Anticoagulant D Antiseptic

6. An adult human has systolic and diastolic pressures as:

A 80 mm Hg and 120 mm Hg B 120 mm Hg and 80 mm Hg C 50 mm Hg and 80 mm Hg D 80 mm Hg and 80 mm Hg

7. Cardiac arrest is the state when

A heart stops beating B inadequate blood supply to the heart C heart not pumping enough to meet the body needs D blood pressure increases

8. What is the normal blood pressure of human beings?

A 110/70 B 120/70 C 120/80 D 110/80

9. Arteries are best defined as the vessels which

A Carry blood from one visceral organ to another visceral organ B Supply oxygenated blood to the different organs C Carry blood away from the heart to different organs D Break up into capillaries which reunite to form a vein

10. Christmas disease is also known as

A Haemophilia B B AIDS C Haemophilia A D Haemolytic jaundice