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CBSE Class 10 Science Question 11 of 60

Solved 2022 Term 1 Question Paper CBSE Class 10 Science — Question 11

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Question 11

Consider the following statements in connection with the functions of the blood vessels marked A and B in the diagram of a human heart as shown.

Consider the following statements in connection with the functions of the blood vessels marked A and B in the diagram of a human heart as shown. CBSE 2022 Term 1 Science Class 10 Question Paper Solved.

(i) Blood vessel A — It carries carbon dioxide rich blood from the lungs.

(ii) Blood vessel B — It carries oxygen rich blood from the lungs.

(iii) Blood vessel B — Left atrium relaxes as it receives blood from this blood vessel.

(iv) Blood vessel A — Right atrium has thick muscular wall as it has to pump blood to this blood vessel.

The correct statements are

  1. (i) and (ii) only
  2. (ii) and (iii) only
  3. (ii), (iii) and (iv)
  4. (i), (ii) and (iii)
Answer

(i), (ii) and (iii)

Reason— Blood vessel A is Pulmonary artery that takes deoxygenated blood to lungs and Blood vessel B is Pulmonary vein that takes oxygenated blood from lungs to left atrium.