Health & Diseases PYQs

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1. Prelims 2023Q67Health & Diseases

   ‘Wolbachia method’ is sometimes talked about with reference to which one of the following?

   aControlling the viral diseases spread by mosquitoesbConverting crop residues into packing materialcProducing biodegradable plasticsdProducing biochar from thermo-chemical conversion of biomass
2. Prelims 2022Q37Health & Diseases

   Consider the following statements :

   1.Biofilms can form on medical implants within human tissues.

   2.Biofilms can form on food and food processing surfaces.

   3.Biofilms can exhibit antibiotic resistance.

   Which of the statements given above are correct ?

   a1 and 2 onlyb2 and 3 onlyc1 and 3 onlyd1, 2 and 3
3. Prelims 2022Q38Health & Diseases

   Consider the following statements in respect of probiotics :

   1.Probiotics are made of both bacteria and yeast.

   2.The organisms in probiotics are found in foods we ingest but they do not naturally occur in our gut.

   3.Probiotics help in the digestion of milk sugars.

   Which of the statements given above is/are correct ?

   a1 onlyb2 onlyc1 and 3d2 and 3
4. Prelims 2022Q39Health & Diseases

   In the context of vaccines manufactured to prevent COVID-19 pandemic, consider the following statements :

   1.The Serum Institute of India produced COVID-19 vaccine named Covishield using mRNA platform.

   2.Sputnik V vaccine is manufactured using vector based platform.

   3.COVAXIN is an inactivated pathogen based vaccine.

   Which of the statements given above are correct ?

   a1 and 2 onlyb2 and 3 onlyc1 and 3 onlyd1, 2 and 3
5. Prelims 2021Q70Health & Diseases

   Consider the following statements :

   1.Adenoviruses have single-stranded DNA genomes whereas retroviruses have double-stranded DNA genomes.

   2.Common cold is sometime caused by an adenovirus whereas AIDS is caused by a retrovirus.

   Which of the statements given above is/are correct?

   a1 onlyb2 onlycBoth 1 and 2dNeither 1 nor 2
6. Prelims 2021Q73Health & Diseases

   The term 'ACE2' is talked about in the context of

   agenes introduced in the genetically modified plantsbdevelopment of India's own satellite navigation systemcradio collars for wildlife trackingdspread of viral diseases
7. Prelims 2020Q45Health & Diseases

   What is the importance of using Pneumococcal Conjugate Vaccines in India ?

   1.These vaccines are effective against pneumonia as well as meningitis and sepsis.

   2.Dependence on antibiotics that are not effective against drug-resistant bacteria can be reduced.

   3.These vaccines have no side effects and cause no allergic reactions.

   Select the correct answer using the code given below :

   a1 onlyb1 and 2 onlyc3 onlyd1, 2 and 3
8. Prelims 2019Q98Health & Diseases

   Which of the following are the reasons for the occurrence of multi-drug resistance in microbial pathogens in India?

   1.Genetic predisposition of some people

   2.Taking incorrect doses of antibiotics to cure diseases

   3.Using antibiotics in livestock farming

   4.Multiple chronic diseases in some people

   Select the correct answer using the code given below.

   a1 and 2b2 and 3 onlyc1, 3 and 4d2, 3 and 4
9. Prelims 2019Q100Health & Diseases

   Which one of the following statements is not correct?

   aHepatitis B virus is transmitted much like HIV.bHepatitis B, unlike Hepatitis C, does not have a vaccine.cGlobally, the number of people infected with Hepatitis B and C viruses are several times more than those infected with HIV.dSome of those infected with Hepatitis B and C viruses do not show the symptoms for many years.
10. Prelims 2017Q31Health & Diseases

    Consider the following statements :

    1.In tropical regions, Zika virus disease is transmitted by the same mosquito that transmits dengue.

    2.Sexual transmission of Zika virus disease is possible.

    Which of the statements given above is/are correct ?

    a1 onlyb2 onlycBoth 1 and 2dNeither 1 nor 2
11. Prelims 2016Q34Health & Diseases

    With reference to pre-packaged items in India, it is mandatory to the manufacturer to put which of the following information on the main label, as per the Food Safety and Standards (Packaging and Labelling) Regulations, 2011?

    1.List of ingredients including additives

    2.Nutrition information

    3.Recommendations, if any, made by the medical profession about the possibility of any allergic reactions

    4.Vegetarian/non-vegetarian

    Select the correct answer using the code given below.

    a1, 2 and 3b2, 3 and 4c1, 2 and 4d1 and 4 only
12. Prelims 2015Q17Health & Diseases

    Among the following, which were frequently mentioned in the news for the outbreak of Ebola virus recently?

    aSyria and JordanbGuinea, Sierra Leone and LiberiacPhilippines and Papua New GuineadJamaica, Haiti and Surinam
13. Prelims 2015Q92Health & Diseases

    H1N1 virus is sometimes mentioned in the news with reference to which one of the following diseases?

    aAIDSbBird flucDenguedSwine flu
14. Prelims 2014Q12Health & Diseases

    Consider the following diseases :

    1.Diphtheria

    2.Chickenpox

    3.Smallpox

    Which of the above diseases has/have been eradicated in India?

    a1 and 2 onlyb3 onlyc1, 2 and 3dNone
15. Prelims 2014Q97Health & Diseases

    Consider the following pairs :

    Vitamin : Deficiency disease

    1.Vitamin C : Scurvy

    2.Vitamin D : Rickets

    3.Vitamin E : Night blindness

    Which of the pairs given above is/are correctly matched?

    a1 and 2 onlyb3 onlyc1, 2 and 3dNone
16. Prelims 2013Q27Health & Diseases

    Improper handling and storage of cereal grains and oilseeds result in the production of toxins known as aflatoxins which are not generally destroyed by normal cooking process. Aflatoxins are produced by

    abacteriabprotozoacmouldsdviruses
17. Prelims 2013Q46Health & Diseases

    Which of the following diseases can be transmitted from one person to another through tattooing?

    1.Chikungunya

    2.Hepatitis B

    3.HIV-AIDS

    Select the correct answer using the codes given below.

    a1 onlyb2 and 3 onlyc1 and 3 onlyd1, 2 and 3
18. Prelims 2011Q40Health & Diseases

    A company marketing food products advertises that its items do not contain trans-fats.

    What does this campaign signify to the customers?

    1.The food products are not made out of hydrogenated oils.

    2.The food products are not made out of animal fats/oils.

    3.The oils used are not likely to damage the cardiovascular health of the consumers.

    Which of the statements given above is/are correct?

    a1 onlyb2 and 3 onlyc1 and 3 onlyd1, 2 and 3
19. Prelims 2011Q62Health & Diseases

    Aspartame is an artificial sweetener sold in the market. It consists of amino acids and provides calories like other amino acids. Yet, it is used as a low-calorie sweetening agent in food items. What is the basis of this use?

    aAspartame is as sweet as table sugar, but unlike table sugar, it is not readily oxidized in human body due to lack of requisite enzymesbWhen aspartame is used in food processing, the sweet taste remains, but it becomes resistant to oxidationcAspartame is as sweet as sugar, but after ingestion into the body, it is converted into metabolites that yield no caloriesdAspartame is several times sweeter than table sugar, hence food items made with small quantities of aspartame yield fewer calories on oxidation
20. Prelims 2011Q91Health & Diseases

    Regular intake of fresh fruits and vegetables is recommended in the diet since they are a good source of antioxidants. How do antioxidants help a person maintain health and promote longevity?

    aThey activate the enzymes necessary for vitamin synthesis in the body and help prevent vitamin deficiencybThey prevent excessive oxidation of carbohydrates, fats and proteins in the body and help avoid unnecessary wastage of energycThey neutralize the free radicals produced in the body during metabolismdThey activate certain genes in the cells of the body and help delay the ageing process
21. Prelims 2010Q21Health & DiseasesAnswer disputed

    Widespread resistance of malarial parasite to drugs like chloroquine has prompted attempts to develop a malarial vaccine to combat malaria. Why is it difficult to develop an effective malaria vaccine ?

    aMalaria is caused by several species of PlasmodiumbMan does not develop immunity to malaria during natural infectioncVaccines can be developed only against bacteriadMan is only an intermediate host and not the definitive host
22. Prelims 2010Q37Health & Diseases

    Recently, LASIK (Laser Assisted In-Situ Keratomileusis) procedure is being made popular for vision correction.

    Which one of the following statements in this context is not correct?

    aLASIK procedure is used to correct refractive errors of the eyebIt is a procedure that permanently changes the shapes of the corneacIt reduces a person’s dependence on glasses or contact lensesdIt is a procedure that can be done on the person of any age
23. Prelims 2010Q90Health & Diseases

    With reference to the treatment of cancerous tumours, a tool called cyberknife has been making the news. In this context, which one of the following statements is not correct?

    aIt is a robotic image guided systembIt delivers an extremely precise dose of radiationcIt has the capability of achieving sub-millimetre accuracydIt can map the spread of tumour in the body
24. Prelims 2010Q125Health & Diseases

    Consider the following statements:

    1.Hepatitis B is several times more infectious than HIV/AIDS

    2.Hepatitis B can cause liver cancer

    Which of the statements given above is/are correct ?

    a1 onlyb2 onlycBoth 1 and 2dNeither 1 nor 2
25. Prelims 2010Q126Health & Diseases

    Excessive release of the pollutant carbon monoxide (CO) into the air may produce a condition in which oxygen supply in the human body decreases. What causes this condition ?

    aWhen inhaled into the human body, CO is converted into CO₂bThe inhaled CO has much higher affinity for haemoglobin as compared to oxygencThe inhaled CO destroys the chemical structure of haemoglobindThe inhaled CO adversely affects the respiratory centre in the brain
26. Prelims 2010Q127Health & DiseasesAnswer disputed

    Consider the following statements:

    1.Every individual in the population is equally susceptible host for Swine Flu.

    2.Antibiotics have no role in the primary treatment of Swine Flu.

    3.To prevent the future spread of Swine Flu in the epidemic area, the swine (pigs) must all be culled.

    Which of the statements given above is/are correct ?

    a1 and 2 onlyb2 onlyc2 and 3 onlyd1, 2 and 3
27. Prelims 2010Q128Health & Diseases

    With regard to the transmission of the Human Immunodeficiency Virus, which one of the following statements is not correct ?

    aThe chances of transmission from female to male are twice as likely as from male to femalebThe chances of transmission are more if a person suffers from other sexually transmitted infectionscAn infected mother can transmit the infection to her baby during pregnancy, at childbirth and by breast feedingdThe risk of contracting infection from transfusion of infected blood is much higher than an exposure to contaminated needle
28. Prelims 2008Q35Health & Diseases
    C.Rangarajan has been actively involved in the Pan-Asian Commission addressing to which one of the following issues?

    aPromotion of tourism in the Asian regionbImpact of HIV/AIDS in the Asian regioncPromotion of free trade in the Asian regiondHigher technical education in the universities in the Asian region
29. Prelims 2008Q43Health & Diseases

    Consider the following statements about probiotic food:

    1.Probiotic food contains live bacteria which are considered beneficial to humans.

    2.Probiotic food helps in maintaining gut flora.

    Which of the statements given above is/are correct?

    a1 onlyb2 onlycBoth 1 and 2dNeither 1 nor 2
30. Prelims 2008Q137Health & Diseases

    The release of which one of the following into ponds and wells helps in controlling the mosquitoes?

    aCrabbDogfishcGambusia fishdSnail