Q.1
ich of the following is correct regarding AIDS causative agent HIV?
  • a) HIV is enveloped virus containing one molecule of single-stranded RNA and one molecule of reverse transcriptase
  • b) HIV is enveloped virus that contains two identical molecules of single-stranded RNA and two molecules of reverse transcriptase
  • c) HIV is enveloped retrovirus
  • d) HIV does not escape but attacks the acquired immune response
Q.2
ich cell of the body acts as HIV factories?
  • a) HIV infected macrophages
  • b) HIV infected Monocytes
  • c) HIV infected cytotoxic T cells
  • d) Helper T cells
Q.3
ich of the following acts as filter of blood?
  • a) Spleen
  • b) Appendix
  • c) Thymus
  • d) Lymph nodes
Q.4
tibody mediated immune system protect the body against:
  • a) Viruses
  • b) Bacteria
  • c) Toxins
  • d) All of these
Q.5
tal paratopes in pentamer structure of IgM:
  • a) 5
  • b) 10
  • c) 15
  • d) 4
Q.6
ich of the following drug is known for its effect on cardiovascular system?
  • a) Ganja
  • b) Heroin
  • c) Datura
  • d) Coke
Q.7
e time lag between infection of HIV and appearance of symptoms usually is of:
  • a) Few days to few months
  • b) Few months to 3 -4years
  • c) Few months to 5-10 years
  • d) Few days to few years
Q.8
inine, an important drug for treatment of malaria, is extracted from:
  • a) Calyx of Cinnamon
  • b) Bark of Cinchona
  • c) Red ants
  • d) Bark of Cinnamon
Q.9
e spherical from of metacryptozoites is called _____
  • a) Sporozoites
  • b) Crypto schizont
  • c) Trophozoite
  • d) Gametocyte
Q.10
ich of the following is not a type of antigen presenting cell in the body?
  • a) Macrophages
  • b) T cell
  • c) B cell
  • d) Dendritic cell
Q.11
tch the column:
Wuchereria malayi a. Aedes mosquito
Reservoir of erythrocytes b. α interferons
Biological response modifier c. Spleen
Chikungunya d. Filariasis
  • a) 1=d, 2=c, 3=b, 4=a
  • b) 1=c, 2=a, 3=d, 4=b
  • c) 1=d, 2=a, 3=b, 4=c
  • d) 1=c, 2=d, 3=b, 4=a
Q.12
ich of the following is used for the early detection with inherited susceptibility to certain cancers?
  • a) Molecular technique
  • b) Computed tomography
  • c) Magnetic Resonance Imaging
  • d) Radiography
Q.13
ich one of the following sexually transmitted diseases (STDs) is not correctly matched with its pathogen?
  • a) Cancroid – Haemophilus ducrei
  • b) Chlamydia – Treponema pallidum
  • c) Genital herpes – Type II herpes Simplex Virus (HSV – 2)
  • d) Trichomoniasis – Trichomoniasis vaginalis
Q.14
B test: AIDS - Immuno deficiency syndrome WIDAL test: ________ , ________
  • a) Typhoid, increase in size of spleen & liver
  • b) Typhoid, pain in stomach
  • c) Typhoid, Burning in felt in intestine
  • d) All of the given
Q.15
ich one is responsible for doing disease shown in figure?
unit-8_ch-2_que_no-421_img_no1.png
  • a) Microsporum
  • b) Trichophyton
  • c) Epidermophyton
  • d) All of the given
Q.16
ich one of the following is not correctly matched?
  • a) Anopheles culicifacies - Leishmaniasis
  • b) Glossina palpalis - Sleeping sickness
  • c) Culex pipiens - Filariasis
  • d) Aedes aegypti - Yellow fever
Q.17
atch the causative organism with their diseases:
Causative organism Disease
a. Haemophilus influenzae Malignant malaria
b. Entamoeba histolytica Elephantiasis
c. Plasmodium falciparum Pneumonia
d. Wuchereria brancofti Typhoid
e. Salmonella typhi Amoebasis
  • a) a=1, b=5, c=3, d=2, e=4
  • b) a=5, b=1, c=3, d=4, e=2
  • c) a=3, b=5, c=1, d=2, e=4
  • d) a=1, b=3, c=5, d=2, e=4
Q.18
entify the correct pairing: (i) Labelled antibodies – Detection of inherited susceptibility to cancer. (ii) Chemotherapy – Use of specific drugs to inhibit DNA replication in cancer cells. (iii) Radiotherapy – Lethal irradiation to detect the tumour cells. (iv) Proto-oncogene’s – Viral oncogenes that causes oncogenic transformation in normal cells. (v) Benign tumour – Do not remain confined to their original location.
  • a) (i) and (ii)
  • b) (iii) and (iv)
  • c) (ii) and (v)
  • d) (ii) only
Q.19
ich one is correct for X, Y & Z? X - Trophozoite is formed in RBC. Y - Haemoglobin is broken down by haemozoin. Z - In RBC merozoites converted into gametocyte.
  • a) X & Y are Right & Z is wrong
  • b) X & Z are Right & Y is wrong
  • c) Y & Z are Right & X is wrong
  • d) X & Z are Wrong & Y is Right
Q.20
mber of polypeptide chains present in a molecule of antibody is:
  • a) 2
  • b) 4
  • c) 6
  • d) 8
Q.21
T – Hib vaccination is against:
  • a) Diphtheria, Pertusis, Tetanus and Hepatitis B
  • b) Diphtheria, Pertusis, Tetanus and Haemophilia B
  • c) Diphtheria, Pertusis, Tetanus and Haemophilus influenzae B
  • d) Diphtheria, Pertusis, Tetanus and Typhoid
Q.22
IgM is Pentamerous and weight of antibody is around 1500000 Da. It is provided that weight of heavy chain of antibody is twice that of light chain. Then find the approximate weight of dimeric antibody IgA.
  • a) More than 600kDa
  • b) 550kDa
  • c) 300kDa
  • d) 30kDa
Q.23
tch the columns:
Passive immunization a. Hep B vaccine
Live bacterial vaccine b. BCG
Live combination vaccine c. ATS (Anti tetanus serum)
Recombinant antigenic vaccine d. MMR
  • a) 1=a, 2=b, 3=c, 4=d
  • b) 1=c, 2=b, 3=d, 4=a
  • c) 1=c, 2=d, 3=a, 4=b
  • d) 1=b, 2=d, 3=c, 4=a
Q.24
leen is not:
  • a) Large reservoir of erythrocytes
  • b) Bean shaped
  • c) Mainly contains lymphocytes and phagocytes
  • d) Lobed organ
Q.25
....... can induce antibody formation only where they combine with larger protein molecules serving as carriers.
  • a) Haptens
  • b) Opsonins
  • c) Epitope
  • d) Antigenic determinants
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