A certain patient is suspected to be suffering from acquired immuno deficiency syndrome. Which diagnostic technique will you recommend for its detection?
(A) (a) MRI
(B) (b) Ultra Sound
(C) (c) WIDAL
(D) (d) ELISA
At which stage of HIV infection does one usually shows symptoms of AIDS?
(A) (a) When viral DNA is produced by reverse transcriptase
(B) (b) When HIV replicates rapidly in helper T lymphocytes and damages large number of these
(C) (c) With 15 days of sexual contact with an infected person
(D) (d) When the infecting retrovirus enters host cells
Which one of the following acts as a physiological barrier to the entry of microorganisms in human body?
(A) (a) Tears
(B) (b) Monocytes
(C) (c) Skin
(D) (d) Epithelium of urogenital tract
Where will you look for the sporozoites of the malaria parasite?
(A) (a) Red blood corpuscles of humans suffering from malaria
(B) (b) Spleen of infected humans
(C) (c) Salivary glands of freshly moulted female anopheles mosquito
(D) (d) Saliva of infected female Anopheles Mosquito
The pathogen Microsporum responsible for ringworm disease in humans belongs to the same kingdom of organisms as that of
(A) (a) Taenia, a tapeworm
(B) (b) Wuchereria, a filarial worm
(C) (c) Rhizopus, a mould
(D) (d) Ascaris, a round worm
Which one of the following options gives the correct matching of a disease with its causative organism and mode of infection? (A: Typhoid, B: Causative organism, C: Mode of infection)
(A) (a) A: Typhoid, B: Salmonella typhi, C: With inspired air
(B) (b) A: Pneumonia, B: Streptococcus pneumonia, C: Droplet infection
(C) (c) A: Elephantiasis, B: Wuchereria bancrofti, C: With infected water and food
(D) (d) A: Malaria, B: Plasmodium vivax, C: Bite of male Anopheles mosquito
Common cold is not cured by antibiotics because it is
(A) (a) Caused by a virus
(B) (b) Caused by a Gram-positive bacterium
(C) (c) Caused by a Gram-negative bacterium
(D) (d) Not an infectious disease
Select the correct statement with respect to diseases and immunisation
(A) (a) If due to some reason B and T lymphocytes are damaged, the body will not produce antibodies against a pathogen.
(B) (b) Injection of dead/inactivated pathogens causes passive immunity.
(C) (c) Certain protozoans have been used in mass production of hepatitis B vaccine.
(D) (d) Injection of snake antivenom against snake bite is an example of active immunisation.
Which one of the following human organs is often called the “graveyard” of KBCs?
(A) (a) Kidney
(B) (b) Spleen
(C) (c) Liver
(D) (d) Gallbladder
Which one of the following organisms is scientifically correctly named, correctly printed according to the International Rules of Nomenclature and correctly described?
(A) (a) Plasmodium falciparum – a protozoan pathogen causing the most serious type of malaria
(B) (b) Felis tigris – The Indian tiger, well protected in Gir forests
(C) (c) E.Coli – Full name Entamoeba coli, a commonly occurring bacterium in human intestine
(D) (d) Musca domestica – The common house lizards, a reptile
Which one of the following statements is correct with respect to immunity?
(A) (a) The antibodies against small pox pathogen are produced by T-lymphocytes
(B) (b) Antibodies are protein molecules each of which has four light chains
(C) (c) Rejection of a kidney graft is the function of B-lymphocytes
(D) (d) Preformed antibodies need to be injected to treat the bite by a viper snake
The first clinical gene therapy was given for treating:
(A) (a) Chicken pox
(B) (b) Rheumatoid arthritis
(C) (c) Adenosine deaminase deficiency
(D) (d) Diabetes mellitus
Motile zygote of Plasmodium occurs in:
(A) (a) Gut of female Anopheles
(B) (b) Salivary glands of Anopheles
(C) (c) Human RBCs
(D) (d) Human liver
Widal test is carried out to test:
(A) (a) Malaria
(B) (b) Diabetes mellitus
(C) (c) HIV/AIDS
(D) (d) Typhoid fever