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(A) Uracil occur in RNA. (R) RNA contr...

(A) Uracil occur in RNA.
(R) RNA controls the synthesis of proteins.

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:
B
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AAKASH SERIES-BIOMOLECULES-OBJECTIVE EXERCISE-4 (ASSERTION (A) & REASON (R) TYPE QUESTIONS :)
  1. (A) The pyrimidine base thymine is present in RNA. (R) DNA controls ...

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  2. (A) In double helical structure of DNA, cytosine pairs with guanine wi...

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  3. (A) Uracil occur in RNA. (R) RNA controls the synthesis of proteins.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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