CBSE Class 11 Biology MCQs - Set 3

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CBSE Class 11 Biology MCQs - Set 3 CBSE and NCERT students can refer to the attached file. All educational material on the website has been prepared by the best teachers having more than 20 years of teaching experience in various schools. The study material available on our website for all CBSE classes and subjects have been prepared by teachers from all over the country. All study material has been carefully designed keeping into mind the latest CBSE examination trends.  

Choose the most appropriate answer.

1. It is the most abundant carbohydrate in nature:

1. Sucrose  2. Maltose  3. Starch  4. Cellulose

Correct Ans. (4)

2. The most common monomer of carbohydrates is a molecule of :

1. sucrose  2. lactose  3. maltose  4. glucose

Correct Ans. (4)

3. Which of the following is polysaccharide:

1. Glucose  2. Glycogen  3. Maltos  4. Lactose

Correct Ans. (2)

4. On hydrolysis triglyceride yields

1. a glycerol and three fatty acids  2. a fatty acid and three glycerol

3. a glucose and three fatty acids  4. a maltose and two fatty acids

Correct Ans. (1)

5. Cholesterol is:

1. diglyceride  2. saturated fatty acids 3. unsaturated fatty acids  4. steroid

Correct Ans. (4)

6. Silk is chemically:

1. Lipid  2. Wax  3. Protein  4. Carbohydrate

Correct Ans. (3)

7. Protoplasm of plant cell is:

1. Less viscous than animal cell  2. More viscous than animal cell

3. Equal in viscosity to the animal cell  4. None of these

Correct Ans. (1)

8. In living cell, protein is:

1. The most abundant compound  2. The least abundant compound

3. The second most abundant compound  4. The third most abundant compound

Correct Ans. (3)

9. They catalyze biological reactions in the form of enzymes:

1. Glucose 2. Sucrose  3. Proteins  4. Terpenoids

Correct Ans. (3)

10. Amino Acids in Insulin molecules are arranged in:

1. One polypeptide chain  2. Two Polypeptide chains  3. Three polypeptide chains 4. Four polypeptide chains

Correct Ans. (2)

11. Four polypeptide chains take part in the formation of:

1. Cellulose  2. Silk  3. Hemoglobin  4. DNA

Correct Ans. (3)

12. Each beta chain of Hemoglobin contains:

1. 126 Amino Acids  2. 156 Amino Acids  3. 136 Amino Acids  4. 146 Amino acids

Correct Ans. (4)

13. Amino Acids are linked together by:

1. Hydrogen Bonds  2. Ionic Bonds 3. Peptide bonds 4. None of these

Correct Ans. (3)

14. The manner in which different peptide chains are connected determines the:

1. Size of protein molecule  2. Shape of protein molecule

3. Color of protein molecule  4. Both A & B

Correct Ans. (2)

15. Glyceraldehyde is one of the:

1. Hexoses  2. Trioses  3. Pentoses  4. Tetroses

Correct Ans. (2)

16. Sucrose is formed of:

1. Glucose and Galactose  2. Glucose and Maltose 3. Clucose and Fructose  4. Fructose and Galactose

Correct Ans. (3)

Please refer to the link below for CBSE Class 11 Biology MCQs - Set 3

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