Plus Two Chemistry Previous Year Questions and Answers Chapter Wise. We covered all the Plus Two Chemistry Previous Year Questions and Answers Chapter Wise in this post for free so that you can practice well for the exam.
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Plus Two Chemistry Previous Year Objective Questions and Answers Chapter Wise for Students
The base present in DNA but not in RNA is
(A) Uracil
(B) Thymine
(C) Adenine
(D) Uracil
Option b – Thymine
RNA is different from DNA because RNA contains
(A) Ribose sugar and uracil
(B) Deoxyribose sugar and uracil
(C) Ribose sugar and thymine
(D) Deoxyribose sugar and thymine
Option a – Ribose sugar and uracil
DNA and RNA are chiral molecules. Their chirality is due to
(A) Chiral acids
(B) Chiral phosphate ester linkage
(C) L-sugar component
(D) D-sugar component
Option d – D-sugar component
Nucleic acids, both DNA and RNA are polymers of
(A) Nucleosides
(B) Nucleotides
(C) Fructose
(D) Aminoacids
Option b – Nucleotides
The function of deoxyribonucleic acid in an organism is
(A) To assists the synthesis of proteins and polypeptides
(B) To store information of heredity characteristics
(C) To assists the synthesis of RNA
(D) All of above
Option d – All of above
In nucleic acids the sequence is
(A) -Phosphate – Sugar – Base
(B) -Phosphate – Base – Sugar
(C) Sugar – Base – Phosphate
(D) Base – Phosphate – Sugar
Option a – -Phosphate – Sugar – Base
Which substance is not present in nucleic acid?
(A) Adenine
(B) Uracil
(C) Thymine
(D) Guanidine
Option d – Guanidine
Which of the following is not present in nucleic acids?
(A) Cytosine
(B) Guanine
(C) Uracil
(D) 2-aminobenzoic acid
Option d – 2-aminobenzoic acid
We covered all the plus two chemistry previous year questions and answers chapter wise above in this post for free so that you can practice well for the exam.
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