Available Answers

1. 1.

   Match the words in Column 1 with the phrases in Column 2.

   Column 1	Column 2
   i. Blood group AB	a. supplies blood to capillaries
   ii. Antigen	b. can receive blood from any donor
   iii. Septum	c. found in veins
   iv. Blood group O	d. does not contain any antigen
   v. Arterioles	e. divides the heart into two
   vi. Valve	f. reacts with antibodies

    

2. 2.

   Mark the statements True or False. Correct the ones that are wrong.

   1. Veins carry deoxygenated blood.
   2. Capillaries are the smallest blood vessels.
   3. Blood moves from ventricles to atrium.
   4. Red blood cells produce antibodies.
   5. Antigens fight diseases. Osmosis causes root pressure.
3. 3.

   Fill in the blanks.

   1. ______________ system in animals helps in transportation of oxygen, food and waste material.
   2. The four groups of blood in humans are ___________, _________, __________ and ___________.
   3. Largest artery in the human body is the ___________.
   4. Blood cells that fight infection are the ___________.
   5. _____________ makes the blood red in colour.
   6. Water passes in to the root hairs by the process of _______________________.
   7. Transpiration in leaves takes place through _____________.
   8. _____________ helps in translocation of food.
   9. Blood in the pulmonary artery has _______________ oxygen than in the pulmonary vein.
   10. Xylem vessels conduct ____________________.
   11. Transpiration results in ____________________.
   12. WBCs produce _________________ to fight against disease causing germs.
   13. ______________ are necessary for clotting of blood.
   14. ______________ is a universal donor and _______________ is a universal recipient.
4. 4.

   Define Transfusion.

5. 5.

   Define Transpiration.

6. 6.

   Define Artery.