Focus Chemistry Guide for 11th. We covered all the Focus Chemistry Guide for 11th MCQs in this post for free so that you can practice well for the exam.
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Focus Chemistry Guide for 11th Objective for Students
In DNA, the consecutive deoxynucleotides are connected via
(A) Phosphomonoester linkage
(B) Phosphodiester linkage
(C) Phosphotriester linkage
(D) Amid linkage
Option b – Phosphodiester linkage
Which of the following does not exhibit the phenomenon of mutarotation?
(A) (+) Sucrose
(B) (+) Lactose
(C) (+) Maltose
(D) (-) Fructose
Option a – (+) Sucrose
The segment of DNA that acts as the instructional manual for the synthesis of proteins is
(A) Nucleotide
(B) Ribose
(C) Gene
(D) Nucleoside
Option c – Gene
RNA and DNA are chiral molecules, and their chirality is due to
(A) L-sugar component
(B) Chiral bases
(C) Chiral phosphate ester units
(D) D-sugar component
Option d – D-sugar component
Synthesis of each molecule of glucose in photosynthesis involves
(A) 6 molecules of ATP
(B) 8 molecules of ATP
(C) 10 molecules of ATP
(D) 18 molecules of ATP
Option d – 18 molecules of ATP
Which one of the following bases is not present in DNA?
(A) Thymine
(B) Quinoline
(C) Adenine
(D) Cytosine
Option b – Quinoline
The number of amino acids and the number of peptide bonds in a linear tetrapeptide (made of different amino acids) are respectively
(A) 4 and 4
(B) 5 and 5
(C) 5 and 4
(D) 4 and 3
Option d – 4 and 3
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