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JEE CHEMISTRY MCQ: BIOMOLECULES
1
Medium
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Understanding
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Consider the following statements.
(i) Nucleic acids are long chain polymers of nucleotides.
(ii) Sugar moiety in DNA molecules is -D-ribose whereas in RNA molecules it is -D-2-deoxyribose.
(ii) RNA contains four bases viz. adenine (A), guanine (G), cytosine (C) and uracil (U)
(iv) Nucleotide is a nucleoside linked to phosphoric acid at 4-position of sugar moiety.
Which of the following is the correct code for the statements above?
(i) Nucleic acids are long chain polymers of nucleotides.
(ii) Sugar moiety in DNA molecules is -D-ribose whereas in RNA molecules it is -D-2-deoxyribose.
(ii) RNA contains four bases viz. adenine (A), guanine (G), cytosine (C) and uracil (U)
(iv) Nucleotide is a nucleoside linked to phosphoric acid at 4-position of sugar moiety.
Which of the following is the correct code for the statements above?
View answer and explanation
Correct option: B
TFTF
Option B (TFTF) is correct because statements (i) and (iii) are true, while statements (ii) and (iv) are false.
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