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[A]: The chromosomes of plants are large...

[A]: The chromosomes of plants are larger than animals.
[R]: The chromosomes of monocots are larger than dicots

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-Genetics-ASSERTION AND REASON
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  2. Assertion (a) : Superumerary chromosomes do not usually have anay eff...

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  3. [A]: The chromosomes of plants are larger than animals. [R]: The ch...

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  4. [A]: Metacentric chromosomes are V- shaped. [R]: In these chromosom...

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  5. [A]: Chromosomes are divided into heterochromatin and euchromatin part...

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  6. [A]: Triplet code is a degenerate one. [R]: Explanation for degener...

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  7. Assertion : Identical twins are produced during two births , resulti...

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  8. [A]: Genetic engineering is the use of tech- nology to alter the genom...

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  9. [A]: Polymerase chain reaction (PCR) followed by DNA probe is used dur...

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  10. [A]: The preparation of recombinant DNA re- quires restriction enzymes...

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  11. [A]: Plasmids are small accessory rings of DNA found in some bacteria ...

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  12. [A]: Proteins are polymers of amino acids. [R]: Nucleic acids are p...

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  13. [A): Prokaryotic cells do not contain repressor protein [R]: They ...

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  14. [A]: If a population is of dominant genotype AA, then the frequency of...

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  15. [A]: In paracentric inversions the centromere is outside the inverted ...

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  16. [A]: Polyploidy increases the tolerance of plants towards extreme clim...

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  17. [A]: Haemophillia is a genetically linked dis- ease. [R]: The carri...

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  18. [A]: Cytoplasmic male sterility is observed in maize. [R]: The cyto...

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  19. Assertion: DNA synthesis occurs in G(1) and G(2) periods of cell cycle...

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  20. [A]: Sickle-cell anaemia is a genetically de- termined disorder affect...

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