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WorksheetsBiological molecules quiz_O'level
Total questions: 10
Worksheet time: 5mins
What are the building blocks of proteins?
A. Nucleotides
B. Amino Acids
C. Monosaccharides
D. Fatty Acids
Which of the following is a polysaccharide?
A. Glucose
B. Fructose
C. Starch
D. Sucrose
DNA is primarily composed of which type of molecule?
A. Lipids
B. Proteins
C. Nucleic Acids
D. Carbohydrates
Which of the following is not a function of lipids?
A. Energy storage
B. Insulation
C catalyzing reactions
D. Cell membrane structure
What type of bond holds the two strands of DNA together?
A. Ionic bonds
B. Hydrogen bonds
C. Covalent bonds
D. Metallic bonds
Which molecule serves as the primary energy currency in cells?
A. DNA
B. RNA
C. ATP
D. NADH
What is the main function of carbohydrates in living organisms?
A. Store genetic information
B. Provide energy
C. Serve as enzymes
D. Form cell membranes
Which of the following is a saturated fat?
A. Olive oil
B. Butter
C. Fish oil
D. Peanut oil
Which type of macromolecule is primarily involved in the structure and function of enzymes?
A. Carbohydrates
B. Proteins
C. Nucleic Acids
D. Lipids
Which of the following is a characteristic of enzymes?
A. They are consumed in reactions
B. Their activity is not affected by temperature
C. They speed up chemical reactions
D. They are only proteins
