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[A]: Black wood is obtained from Dalberg...

[A]: Black wood is obtained from Dalbergia.
[R]: Coffee is mainly produced in Kanataka in India

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:
B
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TRUEMAN BIOLOGY-Applications of Biology -ASSERTION AND REASON
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  2. [A]: Clove is a flower bud. [R]: Essential oils are known as vola...

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

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

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

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

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

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

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

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

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

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

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

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  14. [A]: Demography is the study of human population growth [R]: Dem...

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

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  16. Assertion (A): Organ transplantation patients are given immunosuppress...

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  17. Assertion : Persons sufffering from haemophilia fail to produce blood ...

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  18. [A] : Sensescence in the time when age as- sociated defects are manif...

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  19. Assetion: In recombinant DNA technology, human genes are often transfe...

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  20. Assertion : Agrobacterium tumefaciens is popular in genetic engineerin...

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