Human Health & Disease PYQs Set 1 (PDF)

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Mere Teacher · Previous Year Questions NEET Biology · Human Health & Disease · Set 1 (Q1-30)
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1. $Colostrum, the yellowish fluid, secreted by mother during the initial days of lactation is very essential to impart immunity to the new born infants because it contains$ (1) $Natural killer cells$ (2) $Monocytes$ (3) $Macrophages$ (4) $Immunoglobulin A$ 2. $The first clinical gene therapy was given for treating$ (1) $Chicken pox$ (2) $Rheumatoid arthritis$ (3) $Adenosine deaminase deficiency$ (4) $Diabetes mellitus$ 3. $Chronic auto immune disorder affecting neuro muscular junction leading to fatigue, weakening and paralysis of skeletal muscle is called as:$ (1) $Arthritis$ (2) $Muscular dystrophy$ (3) $Myasthenia gravis$ (4) $Gout$ 4. $Which one of the following techniques is safest for the detection of cancers?$ (1) $Radiography (X-ray)$ (2) $Computed tomography (CT)$ (3) $Histopathological studies$ (4) $Magnetic resonance imaging (MRI)$ 5. $Grafted kidney may be rejected in a patient due to :-$ (1) $Innate immune response$ (2) $Humoral immune response$ (3) $Cell-mediated immune response$ (4) $Passive immune response$ 6. $The cell-mediated immunity inside the human body is carried out by :$ (1) $Erythrocytes$ (2) $T-lymphocytes$ (3) $B-lymphocytes$ (4) $Thrombocytes$ 7. $Which of the following muscular disorders is inherited?$ (1) $Tetany$ (2) $Muscular dystrophy$ (3) $Myasthenia gravis$ (4) $Botulism$ 8. $Cirrhosis of liver is caused by the chronic intake of:$ (1) $Tobacco (Chewing)$ (2) $Cocaine$ (3) $Opium$ (4) $Alcohol$ 9. $HIV that causes AIDS, first starts destroying:-$ (1) $B-lymphocytes$ (2) $Leucocytes$ (3) $Thrombocytes$ (4) $Helper T-lymphocytes$ 10. $Which one of the following is the correct statement regarding the particular psychotropic drug specified?$ (1) $Morphine leads to delusions and disturbed emotions$ (2) $Barbiturates cause relaxation and temporary euphoria$ (3) $Hashish alters thought perceptions and causes hallucinations$ (4) $Opium stimulates nervous system and causes hallucinations$ 11. $Which of the following STDs are not curable?$ (1) $Genital herpes, Hepatitis B, HIV infection$ (2) $Chlamydiasis, Syphilis, Genital warts$ (3) $HIV, Gonorrhoea, Trichomoniasis$ (4) $Gonorrhoea, Trichomoniasis, Hepatitis B$ 12. $The fastest distribution of some injectable material/medicine and with no risk of any kind can be achieved by injecting it into the$ (1) $Muscles$ (2) $Arteries$ (3) $Veins$ (4) $Lymph vessels$ 13. $The active form of Entamoeba histolytica feeds upon:$ (1) $Erythrocytes, mucosa and submucosa of colon$ (2) $Mucosa and submucosa colon only$ (3) $food in intestine$ (4) $blood only$ 14. $Select the incorrect statement with respect to acquired immunity.$ (1) $Acquired immunity is non-specific type of defense present at the time of birth$ (2) $Primary response is produced when our body encounters a pathogen for the first time.$ (3) $Anamnestic response is elicited on subsequent encounters with the same pathogen.$ (4) $Anamnestic response is due to memory of first encounter.$ 15. $Which one of the following options gives the correct matching of a disease with its causative organism and mode of infection? Disease Causative Organisms Mode of Infection$ (1) $Malaria Plasmodium vivax Bite of male Anopheles Mosquito$ (2) $Typhoid Salmonella typhi With inspired air$ (3) $Pneumonia Streptococcus pneumoniae Droplet infection$ (4) $Elephantiasis Wuchereria bancrofti Withinfected water and food$ 16. $At which stage of HIV infection does one usually show symptoms of AIDS?$ (1) $Within 15 days of sexual contact with an infected person.$ (2) $When the infected retro virus enters host cells.$ (3) $When HIV damages large number of helper T-Lymphocytes.$ (4) $When the viral DNA is produced by reverse transcriptase.$ 17. $Select the correct statement with respect to diseases and immunisation :$ (1) $Injection of snake antivenom against snake bite is an example of active immunisation.$ (2) $If due to some reason B-and T-lymphocytes are damaged, the body will not produce antibodies against a pathogen.$ (3) $Injection of dead/inactivated pathogens causes passive immunity$ (4) $Certain protozoans have been used to mass produce hepatitis B vaccine$ 18. $A person likely to develop tetanus is immunised by administering :-$ (1) $Weakened germs$ (2) $Dead germs$ (3) $Preformed antibodies$ (4) $Wide spectrum antibiotics$ 19. $At which stager HIV infection does one usually show symptoms of AIDS?$ (1) $Within 15 days of sexual contact with an infected person$ (2) $When the infected retro virus enters host cells$ (3) $When HIV damages a large number of T- cells$ (4) $When the viral DNA is produced by reverse transcriptase$ 20. $Identify the correct pair representing the causative agent of typhoid fever and the confirmatory test for typhoid.$ (1) $Plasmodium vivax / UTI test$ (2) $Streptococcus pneumoniae / Widal test$ (3) $Salmonella typhi / Anthrone test$ (4) $Salmonella typhi / Widal test$ 21. $In which blood corpuscles, the HIV undergoes replication and produces progeny viruses?$ (1) $Eosinophils$ (2) $T_{H} cells$ (3) $B-lymphocytes$ (4) $Basophils$ 22. $Humans have acquired immune system that produces antibodies to neutralize pathogens. Still innate immune system is present at the time of birth because it$ (1) $is very specific and uses different macrophages.$ (2) $produces memory cells for mounting fast secondary response.$ (3) $has natural killer cells which can phagocytose and destroy microbes.$ (4) $provides passive immunity.$ 23. $At which stage of HIV infection does one usually shows symptoms of AIDS?$ (1) $When viral DNA is produced by reverse transcriptase.$ (2) $When HIV replicates rapidly in helper T Iymphocytes and damages large number of these.$ (3) $With 15 days of sexual contact with an infected person.$ (4) $When the infecting retrovirus enters host cells.$ 24. $The infectious stage of Plasmodium that enters the human body is:$ (1) $Sporozoites$ (2) $Female gametocytes$ (3) $Male gametocytes$ (4) $Trophozoites$ 25. $Which of the following immune responses is responsible for rejection of kidney graft?$ (1) $Auto-immune response$ (2) $Humoral immune response$ (3) $Inflammatory immune response$ (4) $Cell-mediated immune response$ 26. $Which of the following sets of disease is caused by bacteria?$ (1) $Typhoid and smallpox$ (2) $Tetanus and mumps$ (3) $Herpes and influenza$ (4) $Cholera and tetanus$ 27. $Which of the following sets of diseases is caused by bacteria?$ (1) $Tetanus and mumps$ (2) $Herpes and influenza$ (3) $Cholera and tetanus$ (4) $Typhoid and smallpox$ 28. $The QRS complex in a standard ECG represents :$ (1) $Repolarisation of ventricles$ (2) $Repolarisation of auricles$ (3) $Depolarisation of auricles$ (4) $Depolarisation of ventricles$ 29. $Which one of the following statements is correct with respect to AIDS?$ (1) $The HIV can be transmitted through eating food together with an infected person.$ (2) $Drug addicts are least susceptible to HIV infection.$ (3) $AIDS patients are being fully cured 100 per cent with proper care and nutrition.$ (4) $The causative HIV retrovirus enters helper T-lymphocytes thus reducing their numbers.$ 30. $Lysozyme that is present in perspiration, saliva and tears, destroys :$ (1) $Most virus - infected cells$ (2) $Certain fungi$ (3) $Certain types of bacteria$ (4) $All viruses$