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 - 1
Question 1:
Which one of the following statements is not true regarding (+)–lactose?
(a) On hydrolysis (+)–lactose gives equal amount of D(+)–glucose and D(+)–galactose.
(b) (+)–Lactose is a b-glucoside formed by the union of a molecule of D(+)–glucose and a molecule of D(+)–galactose.
(c) (+)–Lactose is a reducing sugar and does not exhibit mutarotation.
(d) (+)–Lactose, C12H22O11 contains 8 –OH groups
Correct Answer – (C)
Question 2:
The difference between amylose and amylopectin is
(a) amylopectin have 1 → 4 a-linkage and 1 → 6 a-linkage
(b) amylose have 1 → 4 a-linkage and 1 → 6 b-linkage
(c) amylopectin have 1 → 4 a-linkage and 1 → 6 b-linkage
(d) amylose is made up of glucose and galactose
Correct Answer – (A)
Question 3:
The function of enzymes in the living system is to
(a) catalyse biochemical reactions
(b) provide energy
(c) transport oxygen
(d) provide immunity
Correct Answer – (A)
Question 4:
Which amino acids is a chiral?
(a) Alanine
(b) Valine
(c) Proline
(d) none of these.
Correct Answer – (D)
Question 5:
The functional group which is found in amino acids is
(a) COOH
(b) -NH2
(c) -CH3
(d) both (a) and (b)
Correct Answer – (D)
MCQ Questions Class 12 Biomolecules With Answers
Question 6:
Which one given below is a non-reducing sugar?
(a) Glucose
(b) Sucrose
(c) Maltose
(d) Lactose
Correct Answer – (B)
Question 7:
Deficiency of vitamin B1 causes the disease
(a) convulsions
(b) beri-beri
(c) cheilosis
(d) sterility.
Correct Answer – (B)
Question 8:
Which of the following biomolecules is insoluble in water?
(a) a-Keratin
(b) haemoglobin
(c) ribonuclease
(d) adenime
Correct Answer – (A)
Question 9:
The vitamins absorbed from intestine along with fats are
(a) A and D
(b) A, B
(c) A, C
(d) D, B
Correct Answer – (A)
Question 10:
The number of tripeptide formed by 3 different amino acids.
(a) Three
(b) Four
(c) Five
(d) Six
Correct Answer – (D)
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