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[A]: lmmunoglobulins or antibodies are s...

[A]: lmmunoglobulins or antibodies are specilialized proteins synthesized by the lym- phocytes of vertebrates.
[R]: These defend against invasion of bacte- ria, viruses and foreign proteins.

A

If both A and R are true and R is the correct explanation of A

B

If both A and R are true but R is not the correct explanation of A

C

If A is true and R is false

D

If both A and R are false

Text Solution

Verified by Experts

The correct Answer is:
B
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TRUEMAN BIOLOGY-Applications of Biology -ASSERTION AND REASON
  1. [A]: Treatment of malaria by vaccination is out of question. [R]:...

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  2. [A]: B-cells are responsible for antibody me- diated immunity which di...

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  3. [A]: lmmunoglobulins or antibodies are specilialized proteins synthesi...

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  4. [A]: Indiscriminate exploitation of economi- cally important wild plan...

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  5. (A]: Cotton is a filling fibre only. [R]: Cotton is a bast fibre

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  6. [A]: Bhojpatra is derived from bark of Betula. [R]: Eucalyptus be...

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  7. [A]: Clove is a flower bud. [R]: Essential oils are known as vola...

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  8. [A]: Black wood is obtained from Dalbergia. [R]: Coffee is mainly...

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  9. [A]: Cocaine is an alkaloid derived from the shrub Cannabis sativa. ...

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  10. [A]: Winged bean is widely cultivated throughout India. [R]: The ...

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  11. Assertion : Age sex structure of human population in countries like Fr...

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  12. [A]: Decrease in mortality would result in de- creased population grow...

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  13. Assertion. Death is regarded as the most regulatory process on earth. ...

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  14. [A]: The ideas of Thomas Malthus are more applicable today. [R]: ...

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  15. [A]: Since 1960 s, there is a dramatic in- crease in human population ...

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  16. [A]: Oral contraceptive pills are meant for family planning purpose. ...

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  17. [A]: Environment resistance does not limit population growth. [R]...

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  18. [A]: Growth curve is the graphic representa- tion of the total growth ...

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  19. [A]: Demography is the study of human popu- lation growth & production...

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  20. Assertion : Interferons are a type of antibodies produced by body cell...

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