Chemistry MCQs for Class 12 with Answers Chapter 14 Biomolecules

Free PDF Download of CBSE Chemistry Multiple Choice Questions for Class 12 with Answers Chapter 14 Biomolecules. Chemistry MCQs for Class 12 Chapter Wise with Answers PDF Download was Prepared Based on Latest Exam Pattern. Students can solve NCERT Class 12 Chemistry Biomolecules MCQs Pdf with Answers to know their preparation level.

Biomolecules Class 12 Chemistry MCQs Pdf

1. The sugar present in milk is
(a) Sucrose
(b) Maltose
(c) Glucose
(d) lactose

Answer

Answer: d


2. α-D (+) glucose and β-D (+) – glucose are
(a) Enantiomers
(b) Geometrical isomers
(c) Anomers
(d) Epimers

Answer

Answer: c


3. Distinction between glucose and fructose can be done by
(a) Benedict’s solution
(b) Tollen’s reagent
(c) Selivanoff’s reagent
(d) Fehling solution

Answer

Answer: c


4. Which does not show mutarotation?
(a) Glucose
(b) Maltose
(c) Fructose
(d) Sucrose

Answer

Answer: d


5. The reagent used for obtaining osazone derivative of fructose is
(a) NH2OH
(b) NH2 – NH2
(c) NH2 – NHC6H5
(d) 2, 4-DNP

Answer

Answer: c


6. Amylopectin is a polymer of
(a) β-D-glucose
(b) α-D-glucose
(c) β-D-frutose
(d) α-D-fructose

Answer

Answer: b


7. Hydrolysis of sucrose gives
(a) Glucose only
(b) Glucose + fructo
(c) Glucose and galactose
(d) Maltose

Answer

Answer: b


8. The disease resulting from the intake of amino acid deficient diet is
(a) Kwasiorkar
(b) Pernicicres anaemia
(c) PEM
(d) Haemophilio

Answer

Answer: a


9. Kerating present in hair is an example of
(a) Fibrous protein
(b) Globular protein
(c) Conjugated protein
(d) Derived protein

Answer

Answer: a


10. DNA and RNA differ in
(a) Sugar
(b) Purines
(c) Pyrimidines
(d) Both (a) and (c)

Answer

Answer: d


11. The vitamin present in oils and fats are
(a) A and D
(b) B and C
(c) A and B
(d) A and C

Answer

Answer: a


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