Plus One Chemistry Chapter Wise Questions and Answers. We covered all the Plus One Chemistry Chapter Wise Questions and Answers in this post for free so that you can practice well for the exam.
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Plus One Chemistry Chapter Wise Objective Questions and Answers for Students
In DNA, the complementary base pairs are
(A) A – G and T – C
(B) A-T and G – U
(C) U- A and C – G
(D) A-T and C – G
Option d – A-T and C – G
Purine derivative among the following bases is
(A) Uracil
(B) Cytosine
(C) Adenine
(D) Thymine
Option c – Adenine
Pyrimidine bases present in DNA are
(A) Uracil and cytosine
(B) Uracil and adenine
(C) Uracil and guanine
(D) Uracil and pyridine
Option a – Uracil and cytosine
A nucleoside on hydrolysis gives
(A) An aldopentose and heterocyclic base
(B) An aldopentose and orthophosphoric acid
(C) An aldopentose, heterocyclic base, and phosphoric acid
(D) A heterocyclic base and orthophosphoric acid
Option a – An aldopentose and heterocyclic base
In nucleic acid, sugar units are joined to phosphate through
(A) C₁ and C2 hydroxyl group
(B) C2 and C4 hydroxyl group
(C) C3 and C5 hydroxyl group
(D) C3 and C5 hydroxyl group
Option d – C3 and C5 hydroxyl group
Nucleotides are joined together through
(A) Phosphate halide linkage
(B) Phosphate amine linkage
(C) Phosphate ketone linkage
(D) Phosphate ester linkage
Option d – Phosphate ester linkage
The sugar present in DNA is ………….. and in RNA is
(A) 2-deoxy-D-ribose, D-ribose
(B) D-ribose, 2-deoxy-D-ribose
(C) D-glucose, L-fructose
(D) L-fructose, D-glucose
Option a – 2-deoxy-D-ribose, D-ribose
We covered all the plus one chemistry chapter wise questions and answers above in this post for free so that you can practice well for the exam.
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