Explore topic-wise MCQs in Biology.

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.

Which of these cells are thrombocytes formed from?

A. Erythrocytes
B. Megakaryocytes
C. T lymphocytes
D. B lymphocytes
Answer» C. T lymphocytes
2.

Which of these cells are associated with allergic reactions?

A. Eosinophils
B. Monocytes
C. Neutrophils
D. Lymphocytes
Answer» B. Monocytes
3.

Which of these chemicals is not secreted by basophils?

A. Histamine
B. Serotonin
C. Ghrelin
D. Heparin
Answer» D. Heparin
4.

Which of these cells are phagocytic?

A. Eosinophils
B. Lymphocytes
C. Monocytes
D. Basophils
Answer» D. Basophils
5.

Which of these are the most abundant in blood?

A. Eosinophils
B. Basophils
C. Monocytes
D. Neutrophils
Answer» E.
6.

Eosinophils are a type of agranulocyte. True or false?

A. True
B. False
Answer» C.
7.

What is the average number of leukocytes per cubic mm of blood?

A. 10,000-20,000
B. 5-5.5 million
C. 6000-8000
D. 300-1000
Answer» D. 300-1000
8.

How much hemoglobin is normally present in 100ml of blood?

A. 6-8g
B. 2-3g
C. 20-25g
D. 12-16g
Answer» E.
9.

Where are erythrocytes formed in adults?

A. Red bone marrow
B. Liver
C. Spleen
D. Muscles
Answer» B. Liver
10.

What percentage of blood contains the formed elements?

A. 90%
B. 55%
C. 45%
D. 20%
Answer» D. 20%
11.

What is serum comprised of?

A. Blood without plasma
B. Plasma without clotting factors
C. Plasma without minerals
D. Plasma without proteins
Answer» C. Plasma without minerals
12.

Which of these is not a major protein of plasma?

A. Keratin
B. Fibrinogen
C. Globulins
D. Albumins
Answer» B. Fibrinogen
13.

What percentage of plasma is proteins?

A. 22-25%
B. 50-55%
C. 6-8%
D. 15-18%
Answer» D. 15-18%
14.

What percentage of blood is plasma?

A. 90%
B. 60%
C. 55%
D. 20%
Answer» D. 20%
15.

What type of tissue is blood?

A. Loose connective tissue
B. Dense connective tissue
C. Mucoid connective tissue
D. Specialized connective tissue
Answer» E.