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[A]: Replication and transcription occur...

[A]: Replication and transcription occur in the nucleus but translation occurs in the cyto- plasm.
[R]: mRNA is transferred from the nucleus in the cytoplasm where ribosomes and amino acids are available for protein synthesis.

A

If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

B

If both Assertion and Reason are true and the Reason is not the correct explanation of the Assertion.

C

If Assertion is true but the Reason is false.

D

If both Assertion and Reasom are false.

Text Solution

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The correct Answer is:
A
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ICSE-MOLECULAR BASIS OF INHERITANCE-OBJECTIVE TYPE QUESTIONS (ASSERTION AND REASON TYPE QUESTION )
  1. Assertion: Few of repetitive sequence are called jumping genes. Reas...

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  2. Assertion: DNA molecule acts as a template for synthesis of both RNA a...

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  3. Assertion: Plasmids are being widely used as vehicle DNA. Reason: T...

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  4. Assertion: The DNA contents are usually constant in a given species. ...

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  5. Assertion: For DNA replication RNA primer is needed. Reason: Synthes...

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  6. Assertion: Guanine cannot pair with cytosine. Reason: Guanine and cy...

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  7. Assertion: The first codon discovered by Nirenberg and Matthaei was UU...

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  8. Assertion: Replication of DNA is perfect. Reason: Defect in DNA spoi...

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  9. Assertion: Temin modified Crick's 'central dogma' to 'central dogma re...

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  10. [A]: The genetic code is degenerate. [R]: Because the most amino ac...

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  11. Assertion: An amino acid in polypeptide chain is not altered due to ch...

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  12. Assertion: Extranuclear DNA occurs in the cytoplasmic matrix. Reason...

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  13. Assertion: Mitochondrial DNA is similar to prokaryotic DNA. Reason: ...

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  14. Assertion: A single mRNA strand is capable of forming a number of diff...

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  15. Assertion: lonising radiations are harmful for the living organisms. ...

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  16. Assertion: Adenine cannot pair with cytosine. Reason: Adenine and cy...

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  17. Assertion: hnRNA is larger than mRNNA. Reason: hnRNA has no translat...

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  18. Assertion: mRNA attaches itself to ribosome via 3' end Reason: mRNA ...

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  19. [A]: Replication and transcription occur in the nucleus but translatio...

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  20. Assertion: Amber codon is a terminating codon. Reason: If in a mRNA...

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