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[A]: Disorders like scrapie in sheeps an...

[A]: Disorders like scrapie in sheeps and goats are caused by Prions.
[R]: The build up of prion occurs in the brain causing neuro degenerative disorders.

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
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  2. [A]: It is advantageous to give the polio vac- cine orally. [R]: ...

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  4. [A]: Lymphocytes develop in lymphoid tissue and involved in cell media...

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  5. [A]: Male anopheles does not spread malaria. [R]: It does not car...

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  6. [A]: In alcoholic drink the alcohol is converted into glucose in liver...

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  7. (A]: The neem is used as a natural insecticide. [R]: The extract ...

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

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  9. [A]: Treatment of malaria by vaccination is out of question. [R]:...

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

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

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  12. [A]: Indiscriminate exploitation of economically important wild plants...

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

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

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

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

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

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

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