Class 9 Biology MCQs – Practice Test 31 (Chapter 9)

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MCQ 151: In adults, the red blood cells are formed in:

lungs and liver
bone marrow of flat and short bones
spleen and liver
liver and spleen

MCQ 152: The person having antigen A on the surface of RBCs has:

blood group O
blood group AB
blood group B
blood group A

MCQ 153: The salts present in plasma make up:

0.9% of plasma
0.2% of plasma
0.01% of plasma
0.65% of plasma

MCQ 154: The pressure of blood is low in:

capillaries
nerves
arteries
veins

MCQ 155: The main veins through which deoxygenated blood is received by right atrium are:

right and left tricuspid
upper and lower tricuspid
superior and inferior vena cavae
left and right vena cavae

Transport Quiz App & e-Book – Class 9 Biology Study Material

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