Chapter Exam

Unit 4B: Immune System — Online MCQ Test

Q: Which of the following is an example of an innate immune barrier?

Answer: B. Skin — Skin is a physical barrier and part of innate immunity. It provides immediate, non-specific protection against pathogens.

Q: Which lymphoid organ is the site of maturation of T-lymphocytes?

Answer: A. Thymus — T-lymphocytes mature in the thymus. It is a primary lymphoid organ responsible for T-cell development.

Q: Which of the following is a secondary lymphoid organ?

Answer: C. Spleen — The spleen is a secondary lymphoid organ where immune responses are initiated. Bone marrow and thymus are primary lymphoid organs.

Q: A child suffering from repeated infections is found to have deficiency of B-lymphocytes. Which immune function will be most affected?

Answer: A. Humoral immunity — B-lymphocytes are responsible for humoral immunity by producing antibodies. Their deficiency mainly affects antibody-mediated defense.

Q: A patient receives an antiserum containing ready-made antibodies after snake bite. This is an example of:

Answer: B. Passive immunity — Antiserum provides pre-formed antibodies, so the body does not produce them itself. This is passive immunity and gives immediate protection.

ZOOLOGY · CLASS 12 INTERMEDIATE 2 YEAR · Telangana State Board

Practice Unit 4B: Immune System with a free chapter-wise online MCQ test for Telangana State Board CLASS 12 INTERMEDIATE 2 YEAR ZOOLOGY. This chapter covers: This chapter details innate adaptive immunity lymphoid organs antigen-antibody interactions structural immunoglobulin classes cell-mediated immunity humoral response and vaccines.. AI-generated questions from basic to board-exam level, with instant results and explanations.

Questions

20m

Time Limit

Attempts Left

10 random questions from this chapter (mixed difficulty)
Questions you've seen before won't repeat until the pool resets
You have 20 minutes — exam auto-submits when time is up
Maximum 3 attempts per chapter
Results and explanations shown immediately after submission

New here? Register free — includes 3 free chapter exams.

Unit 4B: Immune System — Important Questions & Answers (FAQ)

Frequently asked questions from Telangana State Board CLASS 12 INTERMEDIATE 2 YEAR ZOOLOGY — Unit 4B: Immune System, with answers and explanations. These are sample questions; the exam has its own separate question set.

Which of the following is an example of an innate immune barrier?

A. Antibody production
B. Skin ✓
C. Memory cell formation
D. Vaccination

Answer: B. Skin
Skin is a physical barrier and part of innate immunity. It provides immediate, non-specific protection against pathogens.

Which lymphoid organ is the site of maturation of T-lymphocytes?

A. Thymus ✓
B. Spleen
C. Tonsils
D. Lymph node

Answer: A. Thymus
T-lymphocytes mature in the thymus. It is a primary lymphoid organ responsible for T-cell development.

Which of the following is a secondary lymphoid organ?

A. Bone marrow
B. Thymus
C. Spleen ✓
D. Liver

Answer: C. Spleen
The spleen is a secondary lymphoid organ where immune responses are initiated. Bone marrow and thymus are primary lymphoid organs.

A child suffering from repeated infections is found to have deficiency of B-lymphocytes. Which immune function will be most affected?

A. Humoral immunity ✓
B. Cell-mediated immunity
C. Innate immunity
D. Inflammatory response only

Answer: A. Humoral immunity
B-lymphocytes are responsible for humoral immunity by producing antibodies. Their deficiency mainly affects antibody-mediated defense.

A patient receives an antiserum containing ready-made antibodies after snake bite. This is an example of:

A. Active immunity
B. Passive immunity ✓
C. Artificially acquired active immunity
D. Natural active immunity

Answer: B. Passive immunity
Antiserum provides pre-formed antibodies, so the body does not produce them itself. This is passive immunity and gives immediate protection.

← Previous Chapter

Unit 4A: Endocrine System and Chemical Coordination

Next Chapter →

Unit 5A: Human Reproductive System