CBSE Class 12 Biomolecules with Answers Multiple Choice Questions with Answers. MCQ Questions Class 12 Biomolecules with Answers with Answers Is Prepared Based on Latest Exam Pattern. Students can solve NCERT Class 12 Biomolecules with Answers MCQs with Answers to know their preparation level.
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MCQ Questions Class 12 Biomolecules with Answers - Set - 5
Question 1:
a-D-glucose and b-D-glucose are
(a) epimers
(b) anomers
(c) enantiomers
(d) diastereomers
Correct Answer – (B)
Question 2:
Sanger’s method is used to identify
(a) C-terminal amino acid
(b) N-terminal amino acid
(c) side chain
(d) molecular weight protein
Correct Answer – (D)
Question 3:
In biological systems, the RNA molecules direct the synthesis of specific proteins which are characteristics of each kinds of organism. This process is known as
(a) transcription
(b) mutation
(c) replication
(d) translation
Correct Answer – (D)
Question 4:
A substance forms Zwitter ion. It can have functional groups
(a) —NH2 , —COOH
(b) —NH2, —SO3H
(c) Both (a) and (b)
(d) None of the above
Correct Answer – (C)
Question 5:
How many hydrogen bonds are present between pair of thymine and adenine in DNA ?
(a) 1-hydrogen bond
(b) 2-hydrogen bonds
(c) 3-hydrogen bonds
(d) No bonds occur
Correct Answer – (B)
MCQ Questions Class 12 Biomolecules With Answers
Question 6:
Helical structure of protein is stablilised by
(a) peptide bond
(b) hydrogen bond
(c) van der Waals’ force
(d) dipole association
Correct Answer – (B)
Question 7:
Night-blindness may be caused by the deficiency of vitamin
(a) A
(b) B
(c) C
(d) D
Correct Answer – (A)
Question 8:
Which one of the following bases is not present in DNA?
(a) Quinoline
(b) Adenine
(c) Cytosine
(d) Thymine
Correct Answer – (A)
Question 9:
Which of the following is not present in a nucleotide?
(a) Cytosine
(b) Guanine
(c) Adenine
(d) Tyrosine
Correct Answer – (D)
Question 10:
In both DNA and RNA, heterocylic base and phosphate ester linkages are at
(a) C’5 and C’1 respectively of the sugar molecule
(b) C’1 and C’5 respectively of the sugar molecule
(c) C’2 and C’5 respectively of the sugar molecule
(d) C’5 and C’2 respectively of the sugar molecule
Correct Answer – (A)
- NCERT Solutions Class 11 Chemistry Chapter 1 : Some Basic Concepts of Chemistry
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