- A) Nucleotide
- B) Amino acid
- C) Monosaccharide
- D) Fatty acid
Biochemistry MCQ
Total MCQ: 10
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Sourav
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Questions: 20
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Priyanka
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Vesnce
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Questions: 20
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Hector
Score: 40%
Questions: 10
2 Which molecule is known as the energy currency of the cell?
- A) DNA
- B) ATP
- C) RNA
- D) Glucose
3 What type of bond holds the two strands of DNA together?
- A) Ionic bond
- B) Covalent bond
- C) Hydrogen bond
- D) Peptide bond
4 Which enzyme is responsible for DNA replication?
- A) DNA polymerase
- B) RNA polymerase
- C) Ligase
- D) Helicase
5 What is the role of ribosomes in the cell?
- A) DNA replication
- B) Protein synthesis
- C) Lipid synthesis
- D) Carbohydrate breakdown
6 What is the primary function of enzymes in biochemical reactions?
- A) To act as a substrate
- B) To increase activation energy
- C) To speed up reactions
- D) To act as a product
7 What is the main function of carbohydrates in the body?
- A) Energy storage
- B) DNA synthesis
- C) Oxygen transport
- D) Hormone production
8 Which of the following is a coenzyme?
- A) Vitamin C
- B) Hemoglobin
- C) ATP
- D) DNA
9 What is the structure of a nucleotide?
- A) Sugar, phosphate, base
- B) Amino acid, peptide bond
- C) Sugar, fatty acid, base
- D) Sugar, base, peptide bond
10 What type of reaction is used to join amino acids together?
- A) Hydrolysis
- B) Condensation
- C) Oxidation
- D) Reduction