Which of the following statements are correct?
A: Basophils are most abundant cells of the total WBCs.
B: Basophils secrete histamine, serotonin and heparin.
C: Basophils are involved in inflammatory response.
D: Basophils have kidney shaped nucleus.
E: Basophils are agranulocytes.

Choose the correct answer from the options given below:
1. A and B only 2. D and E only
3. C and E only 4. B and C only
Subtopic:  Blood: White Blood Cells | Blood: General Description & RBC |
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 Match List - I with List - II
List-I List-II
(A) Eosinophils (I) 6-8%
(B) Lymphocytes (II) 2-3%
(C) Neutrophils (III) 20-25%
(D) Monocytes (IV) 60-65%

Choose the correct answer from the options given below:
Options: (A) (B) (C) (D)
1. IV I II III
2. IV I III II
3. II III IV I
4. II III I IV
Subtopic:  Blood: White Blood Cells |
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Arrange the following formed elements in the decreasing order of their abundance in blood in humans :
(a) Platelets
(b) Neutrophils
(c) Erythrocytes
(d) Eosinophils
(e) Monocytes
Choose the most appropriate answer from the options given below :
1. (c), (a), (b), (e), (d)
2. (c), (b), (a), (e), (d)
3. (d), (e), (b), (a), (c)
4. (a), (c), (b), (d), (e)
Subtopic:  Blood: White Blood Cells |
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Match the following columns and select the correct option:

Column-I Column-I
(a)  Eosinophils    (i) Immune response 
(b)  Basophils (ii) Phagocytosis
(c)  Neutrophils  (iii) Release histaminase, 
destructive enzymes 
(d)  Lymphocytes  (iv) Release granules containing histamine 
 
(a) (b) (c) (d)
1. (iv) (i) (ii) (iii)
2. (i) (ii) (iv) (iii)
3. (ii) (i) (iii) (iv)
4. (iii) (iv) (ii) (i)
Subtopic:  Blood: General Description & RBC: Part 2 | Blood: White Blood Cells | Blood: General Description & RBC |
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Which type of white blood cells are concerned with the release of histamine and the natural anticoagulant heparin?

1. Neutrophils

2. Basophils

3. Eosinophils

4. Monocytes

Subtopic:  Blood: White Blood Cells |
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The most active phagocytic white blood cells are:
1. neutrophils and eosinophils
2. lymphocytes and macrophages
3. eosinophils and lymphocytes
4. neutrophils and monocytes
Subtopic:  Blood: White Blood Cells |
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