CBSE  /  Class 11  /  Biology  /  Body Fluids and Circulation

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

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

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

  • Cord blood stem cells
  • Adult stem cells
  • Embryonic stem cells
  • All of the above

  • 3. 
    If vagus nerve is cut the heart beat

  • increases
  • decreases
  • will not be affected
  • 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?

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

  • 5. 
    Heparin is

  • Anti-allergic
  • Blood diluter
  • Anticoagulant
  • Antiseptic

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

  • 80 mm Hg and 120 mm Hg
  • 120 mm Hg and 80 mm Hg
  • 50 mm Hg and 80 mm Hg
  • 80 mm Hg and 80 mm Hg

  • 7. 
    Cardiac arrest is the state when

  • heart stops beating
  • inadequate blood supply to the heart
  • heart not pumping enough to meet the body needs
  • blood pressure increases

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

  • 110/70
  • 120/70
  • 120/80
  • 110/80

  • 9. 
    Arteries are best defined as the vessels which

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

  • 10. 
    Christmas disease is also known as

  • Haemophilia B
  • AIDS
  • Haemophilia A
  • Haemolytic jaundice
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