Posted in Prelims PYQ Previous Year UPSC Questions – Immune system & Vaccines April 17, 2024 Leave a comment 1. Which one of the following statements best describes the role of B cells and T cells in the human body? (a) They protect the body from environmental allergens. (b) They alleviate the body’s pain and inflammation. (c) They act as immunosuppressants in the body. (d) They protect the body from the diseases caused by pathogens. 2. In the context of vaccines manufactured to prevent COVID-19 pandemic, consider the following statements: The Serum Institute of India produced COVID-19 vaccine named Covishield using mRNA platform. Sputnik V vaccine is manufactured using vector based platform. COVAXIN is an inactivated pathogen based vaccine. Which of the statements given above are correct? (a) 1 and 2 only (b) 2 and 3 only (c) 1 and 3 only (d) 1, 2 and 3 3. The term ‘ACE2’ is talked about in the context of [UPSC Civil Services Exam – 2021 Prelims] (a) genes introduced in the genetically modified plants (b) development of India’s own satellite navigation system (c) radio collars for wildlife tracking (d) spread of viral diseases 4. With reference to recent developments regarding ‘Recombinant Vector Vaccines’, consider the following statements: Genetic engineering is applied in the development of these vaccines. Bacteria and viruses are used as vectors. Which of the statements given above is/are correct? [UPSC Civil Services Exam – 2021 Prelims] (a) 1 only (b) 2 only (c) Both 1 and 2 (d) Neither 1 nor 2 5. What is the importance of using Pneumococcal Conjugate Vaccines in India? These vaccines are effective against pneumonia as well as meningitis and sepsis. Dependence on antibiotics that are not effective against drug-resistant bacteria can be reduced. These vaccines have no side effects and cause no allergic reactions. Select the correct answer using the code given below: [UPSC Civil Services Exam – 2020 Prelims] (a) 1 only (b) 1 and 2 only (c) 3 only (d) 1, 2 and 3 6. ‘RNA interference (RNAi)’ technology has gained popularity in the last few years. Why? It is used in developing gene silencing therapies. It can be used in developing therapies for the treatment of cancer. It can be used to develop hormone replacement therapies. It can be used to produce crop plants that are resistant to viral pathogens. Select the correct answer using the code given below. [UPSC Civil Services Exam – 2019 Prelims] (a) 1, 2 and 4 (b) 2 and 3 (c) 1 and 3 (d) 1 and 4 only 7. Which one of the following statements is not correct? [UPSC Civil Services Exam – 2019 Prelims] (a) Hepatitis B virus is transmitted much like HIV. (b) Hepatitis B. unlike Hepatitis C, does not have a vaccine. (c) Globally, the number of people infected with Hepatitis B and C viruses arc several times more than those infected with HIV. (d) Some of those infected with Hepatitis B and C viruses do not show the symptoms for many years. 8. Consider the following diseases Diphtheria Chickenpox Smallpox Which of the above diseases has/have been eradicated in India? [UPSC Civil Services Exam – 2014 Prelims] (a) 1 and 2 only (b) 3 only (c) 1, 2 and 3 (d) None Loading … Related