Immunity System Questions – Paper 01, Total Questions: 20, Subject: Biology, Topic: Immunity System, Question Type: MCQs (Multiple Choice Questions)
| Sr. No. | Questions | Answers |
| 1. | Which is involved in body defence? (a) Neutrophils (b) Macrophages (c) Lymphocytes (d) All the above |
Answer: (d) |
| 2. | A blood group has both A and B antigens but no antibodies, It is (a) A (b) O (c) AB (d) B |
Answer: (c) |
| 3. | A compound formed in an organism for inhibiting growth of another organism is (a) Antigen (b) Antibody (c) Antibiotic (d) Antiallergic |
Answer: (b) |
| 4. | A disease due to allergic reaction is (a) Enteric fever (b) Yellow fever (c) Hay fever (d) trench fever |
Answer: (c) |
| 5. | Which is involved in body defense (a) Neutrophils (b) Macrophages (c) Lymphocytes (d) All the above |
Answer: (d) |
| 6. | A doctor suggested to a couple not to have more than one child because of (a) Rh+ male Rh- female (b) Rh- male Rh+ female (c) Rh+ male Rh+ female (d) Rh- male Rh- female |
Answer: (a) |
| 7. | A molecule that produces an immune response is (a) Antigen (b) Antibody (c) Carcinogen (d) Mutagen |
Answer: (a) |
| 8. | A noninfectious unnatural and unusual reaction to asubstance or condition is (a) Immunity (b) Allergy (c) Infection (d) Toxin |
Answer: (b) |
| 9. | A person is injected with gammaglobulin against hepatitis B. It is (a) Artificially acquires passive immunity (b) Artificially acquires active immunity (c) Naturally acquires active immunity (d) Naturally acquires passive immunity |
Answer: (a) |
| 10. | Acquired immunity as developed after vaccination or infection is found in (a) Vertebrates only (b) Invertebrates as wellas vertebrates (c) Plants (d) All the above |
Answer: (a) |
| 11. | Acquired immunity is found in (a) Invertebrates (b) Vertebrates (c) Some invertebrates (d) Both vertebrates and invertibrates |
Answer: (b) |
| 12. | Active immunity is due to (a) Suppressor T-cells (b) killer T-cells (c) Memory cells (d) Helper T-cells |
Answer: (c) |
| 13. | Active immunity means (a) resistance developed before disease (b) Resistance developed after disease (c) Increased heart beat (d) Increased flow of blood |
Answer: (b) |
| 14. | AIDS is caused by (a) RNA virus (b) DNA virus (c) Herpes virus (d) Hepatitis virus |
Answer: (a) |
| 15. | Which is most abundant immunoglobulin (a) Ig A (b) Ig D (c) Ig G (d) Ig M |
Answer: (c) |
| 16. | An example of innate immunity is (a) T-lymphocytes (b) B-lymphocyte (c) Neutrophils (d) Thyroid cells |
Answer: (c) |
| 17. | An insect bite may result in inflammation of that spot. It is triggered by alarm chemicals such as (a) Histamine and dopamine (b) Histamine and kinins (c) Interferon and opsonin (d) Interferons and histones |
Answer: (b) |
| 18. | An Rh- individual receives Rh+ blood. The recipient becomes (a) Sterlite (b) Dead (c) No reaction (d) Isoimmunised |
Answer: (d) |
| 19. | An Rh- woman married to Rh+ man gave birth to three children, one of which died of erythroblastosis foetalis. What is genotype of woman and man (a) Rh- Rh-, Rh+ Rh- (b) Rh+ Rh+, Rh+ Rh+ (c) Rh- Rh+, Rh Rh+ (d) Rh- Rh-, Rh- Rh- |
Answer: (a) |
| 20. | Antibodies are (a) Glycoproteins (b) carbohydrates (c) Lipids (d) Nucleic acids |
Answer: (a) |