Quiz for Biomolecules

Q1: Which of the following is a disaccharide?

A. Glucose B. Fructose C. Maltose D. Ribose

Q2: Which of the following is a reducing sugar?

A. Glucose B. Sucrose C. Cellulose D. Starch

Q3: Which vitamin is synthesized in the skin by sunlight?

A. Vitamin A B. Vitamin B C. Vitamin C D. Vitamin D

Q4: What is the basic unit of proteins?

A. Nucleotides B. Amino acids C. Fatty acids D. Monosaccharides

Q5: Which of the following is not a monosaccharide?

A. Ribose B. Glucose C. Fructose D. Lactose

Q6: Which of the following bases is found only in RNA?

A. Adenine B. Thymine C. Uracil D. Cytosine

Q7: Which functional group is present in all amino acids?

A. Amide and ketone B. Amino and carboxyl C. Alcohol and aldehyde D. Carboxyl and aldehyde

Q8: Which of the following is a fibrous protein?

A. Albumin B. Keratin C. Globulin D. Hemoglobin

Q9: Which linkage is present in nucleic acids?

A. Peptide bond B. Glycosidic linkage C. Phosphodiester linkage D. Ester linkage

Q10: DNA is made up of how many types of nitrogenous bases?

A. 2 B. 3 C. 4 D. 5

Q11: Which vitamin deficiency causes scurvy?

A. Vitamin A B. Vitamin C C. Vitamin D D. Vitamin K

Q12: The simplest carbohydrate is:

A. Glucose B. Glycogen C. Glyceraldehyde D. Sucrose

Q13: Which of the following is a purine base?

A. Cytosine B. Thymine C. Guanine D. Uracil

Q14: What is the function of enzymes?

A. Store energy B. Carry oxygen C. Act as catalyst D. Transport ions

Q15: Which of the following is a heteropolysaccharide?

A. Cellulose B. Starch C. Glycogen D. Heparin

Q16: Insulin is a:

A. Polysaccharide B. Steroid C. Protein D. Nucleic acid

Q17: Which of the following statements is true for RNA?

A. Double-stranded B. Contains thymine C. Contains uracil D. Deoxyribose sugar

Q18: Which sugar is found in DNA?

A. Ribose B. Deoxyribose C. Glucose D. Fructose

Q19: The bond between two amino acids is called:

A. Glycosidic bond B. Phosphodiester bond C. Peptide bond D. Hydrogen bond

Q20: Which biomolecule has a phosphodiester bond?

A. Protein B. Carbohydrate C. Lipid D. DNA

Q21: Which vitamin is fat soluble?

A. Vitamin B B. Vitamin C C. Vitamin D D. Vitamin H