CBSE Questions for Class 12 Medical Biology Human Health And Disease Quiz 12 - MCQExams.com

Match the following. Identify the correct match between Set-I and Set-II.
Set-ISet-II
A) SyphilisI) Human Immunodeficiency virus
B) Cervical cancerII) Treponema pallidum
C) GonorrheaIII) Human papilloma virus
D) AIDSIV) Neisseria
  • A- I, B- II, C- III, D- IV
  • A- II, B- III, C- I, D- IV
  • A- II, B- III, C- IV, D- I
  • A- IV, B- III, C- II, D- I 
Ringworm in human is caused by _________.
  • Fungi
  • Viruses
  • Bacteria
  • Nematode
Which one of the following is incapable of curing Pellagra?
  • Niacine
  • Nicotine
  • Nicotinamide
  • Tryptophan
Which of the following is mismatched?
  • Sponges- spicules
  • Tapeworms- proglottids
  • Cnidaria- nematocysts
  • Roundworms- cilia
Choose the correct answers from the alternatives given.
Ascaris is a parasitic:
  • roundworm
  • flatworm
  • tapeworm
  • sponge
Active immunity means
  • resistance developed after disease
  • resistance developed before disease
  • increasing rate of heart beat
  • infection of AIDS virus
Von Behring was awarded the Nobel Prize for the discovery of passive immunity
  • True
  • False
Which of the following diseases is caused by a helminth?
  • Filariasis
  • Tetanus
  • Polio
  • Tuberculosis
There is no immunization against
  • Measles
  • Typhoid
  • Smallpox
  • Amoebiasis
Which of the following diseases is caused by a fungal infection?
  • Ringworm
  • Cancer
  • Filaria
  • Typhoid
Which of the following causes almost unbearable irritation of the skin?
  • Lint of Gossypium
  • Staminal hair of Tradescantia
  • Prickles of Rosa indica
  • Stinging hair of Urtica dioca
An autoimmune disease is 
  • myasthenia gravis
  • haemophilla
  • AIDS
  • none of these
Cancer is a disorder of cell growth in a part of the body
  • True
  • False
Hypersensitivity towards any foreign material or particle is known as :
  • Hypergenital disease
  • Congenital disease
  • Cancer
  • Allergy
Of the following drugs, tell which one is present in tobacco: 
  • Nicotine
  • Heroin
  • Marijuana
  • Cocaine
Patches of mesodermal cells are present in
  • Platyhelminthes
  • Aschelminthes
  • Porifera
  • Cnidaria
Elephantiasis is caused by: 
  • Earthworm
  • Pinworm
  • Wuchereria
  • Planarians
Which of the following statements is not true for cancer cells in relation to mutations?
  • Mutations destroy telomerase inhibitor
  • Mutations inactivate the cell control
  • Mutations inhibit production of telomerase
  • Mutations in proto-oncogenes accelerate the cell cycle
'Athlete's foot' is caused by
  • Tinea pedis
  • Tinea capitis
  • Candida albicans
  • Rickettsia
HIV selectively targets.
  • B - memory cells
  • B - effector cells
  • T - cytotoxic cells
  • T - helper cells
Canabis sativa is the source of
  • Opium
  • LSD
  • Marijuana
  • Cocaine
Diseases are broadly grouped into infection and non-infectious diseases. In the list given below, identify infectious diseases.
I. Cancer      
II. Influenza
III. Allergy    
IV. Smallpox
  • I and II
  • II and II
  • III and IV
  • II and IV
BCG vaccination is to be given to a new born child
  • Immediately after child birth
  • Within 48 hours
  • Within seven days
  • Within six month
Roundworms belong to the phylum ________.
  • Nematoda
  • Porifera
  • Platyhelminthes
  • Annelida
Auto immune disorder affecting neuromuscular junction leading to fatigue, weakening and paralysis of skeletal muscle is _____.
  • Muscular dystrophy
  • Tetany
  • Gout
  • Myasthenia gravis
Find the correct term related to immunity.
  • Serology - Study of antigen present on RBC surface
  • Antibody - Glycoproteins produced by T lymphocytes
  • Epitope - Antibody part to which an antigen attaches itself
  • Antigen - Mainly proteinaceous substance which stimulates production of antibodies
Why are interferons administered to cancer patients?
  • It interferes with cancer cells and stops them growing and multiplying.
  • It helps the cancer cell to undergo mutational changes
  • It agglutinates antigen and antibody in the blood of patient.
  • Both A and B
Statement (SI) : Injections provided against the tetanus is a passive immunization
Statement (SII) : Injection provided against the tetanus contains preformed antibodies

  • Statements SI and SII are correct
  • Statement SI is correct but SII is incorrect
  • Statement SI is incorrect but SII is correct
  • Statement SI is incorrect bur SII is correct
Ringworm is a ___________ disease.
  • Fungal
  • Bacterial
  • Viral
  • Nematode
Which of the following is a fungal disease in human?
  • Athletes food disease
  • Foot and mouth disease
  • Leukoderma
  • Proriasis
Match the correct combination.
  • Amoeba proteus - Kala-Azar
  • Wuchereria bancrofti - Filariasis
  • Leishmania donovani-Sleeping sickness
  • Anophele-Yellow fever
Find the pair which is not matching.
  • Histamine : Vasodilation
  • T-lymphocytes : Spleen
  • Immunity : Vaccination
  • Auto immune disease : Allergens
THC (tetra hydro cannabinol) is the active ingredient of all the following, except.
  • Hashish
  • Ganja
  • Mescaline
  • Marijuana
Causative agent of ringworm s:
  • Corynebacterium
  • Microsporum
  • Clostridium
  • Salmonella
Mark the correctly matched options:-
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  • A and B
  • B and C
  • A, B and C
  • Only C
Antiserum is?
  • Serum which contains lymphocytes
  • Serum which contains red cells
  • Serum containing thrombocytes
  • None of the above
At which stage of HIV infection does on usually show symptoms of AIDS?
  • When the infecting retrovirus enters host cells
  • When vital DNA is produced by reverse transcriptase
  • When HIV replicates rapidly in helper T-lymphocytes and damage large number of these
  • Within $$15$$ days of sexual contact with an infected person
Athlete's foot is caused by?
  • Tinea pedis
  • Tinea capitis
  • Rickettsia
  • Candida albicans
Incubation period of malaria ends when ?
  • Merozoites destroves RBC.
  • When sporozoites first destroves hepatocytes
  • Gametocyte cells goes inside mosquito
  • When malaria laboratrically detected.
Which of the following groups of animals is having tube in tube body plan?
  • Sponges
  • Coelenterates (Cnidarians)
  • Aschelminthes (Round worms)
  • Ctenophores
Cannabinoid receptors present principally in the
  • Heart
  • Brain
  • Liver
  • Kidney
Drug that increases cardiovascular effects is?
  • Nicotine $$+$$ Cocaine
  • Benzodiazepine $$+$$ Barbitunate
  • Barbiturates $$+$$ Novacaine
  • Insulin $$+$$ amphetamine
Which of the following is involved in passive immunity?
  • $$Ig\,A$$
  • $$Ig\,E$$
  • $$Ig\,M$$
  • $$Ig\,E$$
HIV decreases natural immunity of the body by destroying 
  • Erythrocytes
  • Antibodies
  • T-Lymphocytes
  • B-Lymphocytes
Select the incorrect statement from following :-
  • Rheumatoid is an autoimmune disease
  • Metrocity children of india suffer from allergy and asthma.
  • Spleen does not contain macrophages.
  • HIV,replicates in $$T_H$$ cells.
Immunization builds up _______________.
  • Innate immunity
  • Infantile immunity
  • Acquired immunity
  • Blood clothing
Select the incorrect statement:
  • Macrophage cells act as factory of HIV
  • HIV, replicates macrophage
  • HIV is a picornavirus 
  • In AIDS CDS count$$<200\times10^6litre$$
__________ is the process of developing immunity or resistance against a particular disease
  • Immunization
  • Sterilization
  • Fertilization
  • None of these
An intestinal parasite which causes blockage of the intestinal passage and whose eggs are excreted along with the faces of infected person is____
  • Wuchereria bancrofti
  • Ascaris
  • Epidermophyton
  • Microsporum
Read the following statements and select the correct ones.
(i) Vaccine is a preparation(or suspension) of a dead/attenuated pathogen of a disease which on inoculation (or injection) into a healthy person, provides temporary/permanent active/passive immunity by inducing antibodies formation.
(ii) Immunization is the process by which the body produces antibodies against the vaccine preventable diseases through administration of specific vaccines.
(iii) The principle of immunization or vaccination is based on the property of 'memory' of the immune system.
(iv) If a person is infected with some deadly microbes to which quick immune response is required; in that case, we need to directly inject the performed antibodies or antitoxins e.g., in case of tetanus.
  • (i) and (ii)
  • (ii), (iii) and (iv)
  • (i), (ii) and (iii)
  • (i), (ii), (iii) and (iv)
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