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[A]: Treatment of malaria by vaccination...

[A]: Treatment of malaria by vaccination is rare
[R]: Plasmodium does not produce antibodies in human blood.

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

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The correct Answer is:
A
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TRUEMAN BIOLOGY-Applications of Biology -ASSERTION AND REASON
  1. (A]: The neem is used as a natural insecticide. [R]: The extract ...

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  2. Assertion : There is no chance of transmission of malaria to a man on ...

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  3. [A]: Treatment of malaria by vaccination is rare [R]: Plasmodium do...

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  4. [A]: B-cells are responsible for antibody mediated immunity which dire...

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

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

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

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

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

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

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

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

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  13. [A] : The age-sex structure of human population in countries like Fran...

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  14. [A]: Decrease in mortality would result in decreased population growth...

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

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

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  17. [A]: Since 1960 s, there is a dramatic increase in human population gr...

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

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

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  20. [A]: Growth curve is the graphic representation of the total growth ag...

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