Home
Class 12
BIOLOGY
Interferon...

Interferon

A

Activates virus

B

Inactivates a virus

C

Protects unattacked cells from virus

D

Prevents viruses from taking over the cellular machinary

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • HUMAN HEALTH AND DISEASE

    DINESH PUBLICATION ENGLISH|Exercise Revision Questions From Competitive Exams|512 Videos

  • HUMAN HEALTH AND DISEASE

    DINESH PUBLICATION ENGLISH|Exercise CHECK YOUR GRASP|17 Videos

  • HUMAN EVOLUTION

    DINESH PUBLICATION ENGLISH|Exercise Brain Teasers-VII|181 Videos

  • HUMAN REPRODUCTION

    DINESH PUBLICATION ENGLISH|Exercise MCQ|770 Videos

Similar Questions

Explore conceptually related problems

Select the INCORRECT statement w.r.t interferons. (a) Synthesized by uninfected host cells that are susceptible to viral infection. (b) They can be used to destroy the tumour. (c) α - interferons are secreted by virus infected cells . (d) They are categorised under cytokinin barrier of innate immunity.

Read the statement and choose the correct option (I) Secretion of interferons is a physiological barrier of innate immunity II. T-lymphocytes are responsible for cell mediated immunity III. Injection given against snake venom is a type of active immunisation IV. Antibodies produced during allergic reactions are of IgA type

Read the statement and choose the correct option I. Secretion of interferons is a physiological barrier of innate immunity II. T-lymphocytes are responsible for cell mediated immunity III. Injection given against snake venom is a type of active immunisation IV. Antibodies produced during allergic reactions are of IgA type (a) i and ii are correct (b) ii and iv alone are correct (c) iii alone is correct (d) ii alone is correct

Assertion : Colon bacilli can be used to produce glycoproteins that can be used fot hepatitis B treatment Reason : Hepatitis B is a viral disease and its spread in the body can be checked using interferons.

Match the items in Column I with Column II and choose the correct alternative. {:(Column I,Column II),(A."Calcitonin",(i)"Treatment of viral infection"),(B."Gonadotropin",(ii)"Treatment of rickets"),(C."Erythroprotein",(iii)"Enhancement of immune action"),(D."Interferon",(iv)"Formation of erythrocytes",(v)"infertility"):}

(a) It is generally observed that the children who had suffered from chicken- pox in their childhood may not contract the same disease in their adulthood. Explain giving reasons the basis of such an immunity in an individual. Name this kind of immunity. (b) What are interferons ? Mention their role.

Consider the following four statements (i-iv) regarding kidney transplant and select the two correct ones out of these (i) Even if a kidney transplant is proper the recipient may need to take immuno-suppressants for a long time (ii) The cell-mediated immune response is responsible for the graft rejection (iii) The B-lumphocytes are responsible for rejection of the graft (iv) The acceptance or rejection of a kidney transplant depends on specific interferons The correct statements are

a) Cancer is one of the most dreaded diseases of humans. Explain 'Contact inhibitions' and Metastasis' with respect to the disease. b) Name the group of genes which have been identified in normal cells that could lead to cancer and how they do so? c) Name any two technique which are used to detect cancers of interorgans? d) Why are cancer pateints often given a-interferon as part of the treatment.

Consider the following four statements (i-iv) regarding kidney transplant and select the two correct ones out of these (i) Even if a kidney transplant is proper the recipient may need to take immuno-suppressants for a long time (ii) The cell-mediated immune response is responsible for the graft rejection (iii) The B-lumphocytes are responsible for rejection of the graft (iv) The acceptance or rejection of a kidney transplant depends on specific interferons The correct statements are