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 the following Cellular barriers are involved in Inflammatory reactions?

A. Neutrophils
B. Basophils
C. Eosinophils
D. Monocytes
Answer» C. Eosinophils
2.

In Acquired immunity, complement system functions through___________

A. Classical pathway
B. Alternate pathway
C. Heightened pathway
D. Anatomical pathway
Answer» B. Alternate pathway
3.

Which of the following response is not included in Acquired immunity?

A. Primary Response
B. Tertiary Response
C. Secondary Response
D. Anamnestic Response
Answer» C. Secondary Response
4.

Interferons are which type of barriers?

A. Physical barriers
B. Physiological barriers
C. Cellular barriers
D. Cytokine barriers
Answer» E.
5.

In innate immunity, complement system functions through ________

A. Alternate pathway
B. Classical pathway
C. Heightened pathway
D. Anatomical pathway
Answer» B. Classical pathway
6.

Number of proteins belonging to the complementary system is _______

A. Ten
B. Sixty
C. Forty-Four
D. Thirty
Answer» E.
7.

Which of the following are not the Phagocytes of innate immunity?

A. Neutrophils
B. Macrophages
C. RBCs
D. Monocytes
Answer» D. Monocytes
8.

What is the full form of PMNL?

A. Polymorpho-nuclear leukocytes
B. Pinacocytes Mono-nuclear lymphocytes
C. Polynomial lymphocytes
D. Pinacoderm Mono-nuclear lymphocytes
Answer» B. Pinacocytes Mono-nuclear lymphocytes
9.

Lysozyme is _________

A. Antiviral
B. Antiprotozoal
C. Antibacterial
D. Antifungal
Answer» D. Antifungal
10.

Which of the following is not an Anatomic barrier?

A. Skin
B. Oil and sweat
C. Nostril hair
D. Mucus and cilia
Answer» C. Nostril hair
11.

Acquired Immunity is not called as ___________

A. Specific Immunity
B. Adapted Immunity
C. Humoral Immunity
D. Non-specific Immunity
Answer» E.
12.

How many lines of defence are present in our body?

A. One
B. Two
C. Three
D. Four
Answer» D. Four
13.

Innate immunity is also called as ________

A. Specific immunity
B. Inborn immunity
C. Acquired immunity
D. Adapted immunity
Answer» C. Acquired immunity
14.

Which of the following barriers are considered to be the first line of defence in our body?

A. Physical and Physiological barriers
B. Physiological and Cellular barriers
C. Cellular and Cytokine barriers
D. Physical and Cellular barriers
Answer» B. Physiological and Cellular barriers
15.

Which of the following barriers does not come under innate immunity?

A. Physical barrier
B. Physiological barrier
C. Complex barrier
D. Cellular barrier
Answer» D. Cellular barrier