Body Fluids and Circulation ( Composition of Blood, Blood Groups, Coagulation of Blood,....) NEET Questions

Biology - Human Physiology

Body Fluids and Circulation ( Composition of Blood, Blood Groups, Coagulation of Blood,....) MCQ Questions


13.
Each healthy adult human (male) has approximately how many RBCs per cubic millimeter of blood?
A.
500
B.
1 million
C.
5 million
D.
10 million
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ANSWER :
C. 5 million
14.
White blood cells (WBCs) are also called:
A.
Megakaryocytes
B.
Erythrocytes
C.
Leucocytes
D.
Thrombocytes
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ANSWER :
C. Leucocytes
15.
WBCs are classified into how many main groups based on the presence of granules?
A.
Only one group
B.
Five groups equally
C.
Three different groups
D.
Two: granulocytes and agranulocytes
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ANSWER :
D. Two: granulocytes and agranulocytes
16.
The most abundant type of WBC is:
A.
Lymphocyte
B.
Neutrophil
C.
Monocyte
D.
Eosinophil
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ANSWER :
B. Neutrophil
17.
Which WBC produces antibodies?
A.
Eosinophil
B.
Neutrophil
C.
Lymphocyte
D.
Basophil
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ANSWER :
C. Lymphocyte
18.
Which WBC releases histamine and is involved in inflammatory and allergic reactions?
A.
Neutrophil
B.
Lymphocyte
C.
Monocyte
D.
Basophil
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ANSWER :
D. Basophil