05: Test: Category 4

Which of the following is not a biomolecule?

• Carbohydrate
• Protein
• Water
• Lipid

Which biomolecule provides the main source of energy for living organisms?

• Protein
• Lipid
• Carbohydrate
• Nucleic acid

Photosynthesis is the process by which plants convert ________ into ________.

• Oxygen; glucose
• Carbon dioxide; oxygen
• Glucose; oxygen
• Sunlight; chemical energy

Which organelle is responsible for photosynthesis in plant cells?

• Nucleus
• Golgi apparatus
• Mitochondria
• Chloroplast

Which of the following is a product of photosynthesis?

• Carbon dioxide
• Glucose
• Water
• ATP

Cellular respiration is the process by which organisms convert ________ into ________.

• Oxygen; glucose
• Carbon dioxide; oxygen
• Glucose; oxygen
• Sunlight; chemical energy

Which organelle is responsible for cellular respiration in eukaryotic cells?

• Nucleus
• Golgi apparatus
• Mitochondria
• Chloroplast

The breakdown of glucose during cellular respiration occurs in which specific process?

• Glycolysis
• Krebs cycle
• Electron transport chain
• Fermentation

Enzymes are biological catalysts that:

• Speed up chemical reactions
• Slow down chemical reactions
• Convert energy into glucose
• Store genetic information

Which factor can affect the activity of enzymes?

• pH
• Temperature
• Substrate concentration
• All of the above