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(A) DNA is the chemical basis of heredit...

(A) DNA is the chemical basis of heredity and may be regarded as the reserve of genetic information.
(R) The production of DNA from RNA is called semiconservative replecation.

A

Both (A) and (R) are true and (R) is the correct explanation of (A)

B

Both (A) and (R) are true and (R) is not the correct explanation of (A)

C

(A) is true but (R) is false

D

Both (A) and (R) are false

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH SERIES-BIOMOLECULES-OBJECTIVE EXERCISE-4 (ASSERTION (A) & REASON (R) TYPE QUESTIONS :)
  1. (A) Uracil occur in RNA. (R) RNA controls the synthesis of proteins.

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  2. (A) DNA finger printing is used in forensic labs. (R) Every individu...

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  3. (A) DNA is the chemical basis of heredity and may be regarded as the r...

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  4. (A) RNA on hydrolysis gives equal content of guanine, cytocine and als...

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  5. (A) Thymine pairs with adenine whereas cytosine pairs with guanine in ...

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  6. (A) Glutamic acid is acidic amino acid. (R) Glutamic acid contains tw...

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  7. (A) The simplest alpha -amino acid is optically inactive. (R) Simple...

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  8. (A) Glycine is essential amino acid. (R) Glycine is optically active...

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  9. (A) The folding of polypeptide chains leads to globular proteins. (R...

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  10. (A) Alpha amino acids generally exists as zwitterions. (R) The basic...

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  11. (A) The melting points and solubility in water of amino acids are gene...

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  12. (A) Enzymes are globular proteins. (R) Enzymes provide active site t...

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  13. (A) Denaturation of a protein can be done on heating or by adding a su...

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  14. (A) All enzymes are proteins but all proteins are not enzymes. (R) K...

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  15. (A) At isoelectric point an amino acid has highest solubility. (R) I...

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  16. (A) A protein chain tends to fold in a repeating geometric structure ...

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  17. (A) Entropy increases due to boiling of egg. (R) Breaking of tertiar...

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  18. (A) Amino acid that can be synthesised by human body is called essenti...

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  19. (A) At isoelectric point, the amino group does not migrate under the i...

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  20. (A) Albumin, present in egg white converting into water insoluble fibr...

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