Multiple Choice Questions

Advertisement

Which of the following is not a character of cancerous cells in our body

  • Contact inhibition 

  • Neoplasia

  • Metastasis

  • Inability for differentiation


A.

Contact inhibition 

Normal cells show the property of contact inhibition, by virtue of which contact with other cells inhibits their uncontrolled growth. Cancer cells appears to have lost this property.


Advertisement

Identify the give figure and select the correct option

  • Neutrophil- phagocytic cell which destroy foreign organisms entering the body.

  • Eosinophil- their number increases during allergic infection.

  • Lymphocyte - small sized non-motile and non-phagocytic.

  • Monocyte - motile and phagocytic in nature.


Assertion: AIDS is caused by the HIV, a retro-virus.

Reason: Retroviruses have RNA genome.

  • If both assertion and reason are true and reason is the correct explanation of assertion.

  • If both assertion and reason are true but reason is not the correct explanation of assertion.

  • If assertion is true but reason is false.

  • If both assertion and reason are false.


Sexual stage (gametocytes) of Plasmodium occurs in

  • Salivary glands of mosquito

  • Human RBC

  • Intestine of mosquito

  • Human liver


Select the option having all the correct characteristics.

  •  Structure    Percentage    Function

  •   Structure    Percentage    Function

  •   Structure    Percentage    Function

  •   Structure    Percentage    Function


Advertisement

Assertion: AIDS and hepatitis B are sexually transmitted diseases.

Reason: There is no permanent cure for both of them

  • If both assertion and reason are true and reason is the correct explanation of assertion.

  • If both assertion and reason are true but reason is not the correct explanation of assertion.

  • If assertion is true but reason is false.

  • If both assertion and reason are false.


Choose the correctly matched pair from the following.

  • Gonorrhoea, hepatitis B- sexually transmitted diseases

  • AIDS, gonorrhoea - viral infection

  • Diphtheria, ringworm - fungal infection

  • Diphtheria, tuberculosis - protozoan infection


Assertion: Filarial worm is transmitted to humans by Culex mosquito.

Reason: Culex prefers to breed in fresh water.

  • If both assertion and reason are true and reason is the correct explanation of assertion.

  • If both assertion and reason are true but reason is not the correct explanation of assertion.

  • If assertion is true but reason is false.

  • If both assertion and reason are false.


Which antibiotic has bactericidal effect

  • Erythromycin

  • Streptomycin

  • Penicillin

  • Chloramphenicol


Advertisement
<

Which one of the following immune system components does not correctly match with its respective role

  • Interferons - secreted by virus-infected cells and protect non-infected cells from further viral infection

  • B-lymphocytes-produces antibodies in response to pathogens into blood to fight with them

  • Macrophages-mucus secreting cells that trap microbes entering in the body

  • IgA-present in colostrum in early days of lactation and protect infant from diseases


Advertisement