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This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
1. |
Platelets are produced from which of the following cells? |
A. | Erythrocytes |
B. | Thrombocytes |
C. | Megakaryocytes |
D. | Lymphocytes |
Answer» D. Lymphocytes | |
2. |
Lymphocytes constitute how much per cent of the total WBCs? |
A. | 10-15% |
B. | 20-25% |
C. | 40-50% |
D. | 56% |
Answer» C. 40-50% | |
3. |
Which of the following WBCs are involved in allergic reactions? |
A. | Basophils |
B. | Eosinophils |
C. | Neutrophils |
D. | Monocytes |
Answer» C. Neutrophils | |
4. |
Which of the following is not secreted by basophils? |
A. | Histamine |
B. | Serotonin |
C. | Heparin |
D. | Serum |
Answer» E. | |
5. |
Which of the following are the most abundant in WBCs? |
A. | Neutrophils |
B. | Basophils |
C. | Eosinophils |
D. | Lymphocytes |
Answer» B. Basophils | |
6. |
WBCs are characterised into 4 main categories. |
A. | True |
B. | False |
Answer» C. | |
7. |
What is the colour of leucocytes? |
A. | White |
B. | Black |
C. | Red |
D. | Colourless |
Answer» E. | |
8. |
What is the average life span of RBCs? |
A. | 120 seconds |
B. | 120 hours |
C. | 120 days |
D. | 120 weeks |
Answer» D. 120 weeks | |
9. |
RBCs are formed in the thymus. |
A. | True |
B. | False |
Answer» C. | |
10. |
Which of the following is not a formed element? |
A. | Erythrocytes |
B. | Leucocytes |
C. | Platelets |
D. | Lymph |
Answer» E. | |
11. |
What is plasma without clotting factors known as? |
A. | Blood |
B. | Serum |
C. | Lymph |
D. | Fluid |
Answer» C. Lymph | |
12. |
Which of the following are needed for clotting of blood? |
A. | Fibrinogen |
B. | Albumin |
C. | Globulin |
D. | Magnesium ions |
Answer» B. Albumin | |
13. |
How much percentage of plasma is present in the blood? |
A. | 35% |
B. | 45% |
C. | 50% |
D. | 55% |
Answer» E. | |
14. |
Which of the following is absent on blood? |
A. | Fluid matrix |
B. | Plasma |
C. | Fibroblast |
D. | Formed elements |
Answer» D. Formed elements | |
15. |
Which of the following is the most commonly used body fluid? |
A. | Blood |
B. | Plasma |
C. | Lymph |
D. | Serum |
Answer» B. Plasma | |