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Displaying 5 out
of 27
questions & answers.
Q1.
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 |
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Answer:
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- (b) can receive blood from any donor
- (f) reacts with antibodies
- (e) divides the heart into two
- (d) does not contain any antigen
- (a) supplies blood to capillaries
- (c) found in veins
Q2.
Mark the statements True or False. Correct the ones that are wrong.
- Veins carry deoxygenated blood.
- Capillaries are the smallest blood vessels.
- Blood moves from ventricles to atrium.
- Red blood cells produce antibodies.
- Antigens fight diseases. Osmosis causes root pressure.
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Answer:
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- True
- True
- False
Blood moves from atrium to ventricles. - False
White Blood Cells produce antibodies. - False
Antibodies fight diseases. - True
Q3.
Fill in the blanks.
- ______________ system in animals helps in transportation of oxygen, food and waste material.
- The four groups of blood in humans are ___________, _________, __________ and ___________.
- Largest artery in the human body is the ___________.
- Blood cells that fight infection are the ___________.
- _____________ makes the blood red in colour.
- Water passes in to the root hairs by the process of _______________________.
- Transpiration in leaves takes place through _____________.
- _____________ helps in translocation of food.
- Blood in the pulmonary artery has _______________ oxygen than in the pulmonary vein.
- Xylem vessels conduct ____________________.
- Transpiration results in ____________________.
- WBCs produce _________________ to fight against disease causing germs.
- ______________ are necessary for clotting of blood.
- ______________ is a universal donor and _______________ is a universal recipient.
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Answer:
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- Circulatory
- A, B, AB, O
- Aorta
- WBCs
- Haemoglobin
- active transport
- stomata
- Phloem
- less
- water and minerals
- suction force
- antibody
- Platelets
- Blood group O, blood group AB
Q4.
Define Transfusion.
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Answer:
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Sometimes a person may lose a large amount of blood due to injury or surgery. In such case, this person is given blood from another person. This is called transfusion.
Q5.
Define Transpiration.
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Answer:
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