8 Which nutrient is mainly responsible for body growth and repair? A Carbohydrates B Lipids C Proteins D Minerals
9 Which biomolecule is made of glycerol and fatty acids? A Proteins B Carbohydrates C Lipids D Enzymes
11 Which biomolecule provides structural support in plants? A Starch B Glycogen C Cellulose D Sucrose
14 Which process involves breakdown of complex molecules? A Anabolism B Metabolism C Catabolism D Photosynthesis
15 Which nutrient helps in absorption of fat-soluble vitamins? A Proteins B Carbohydrates C Lipids D Minerals
16 The specific area of enzyme where substrate binds is called: A Active site B Binding site C Catalytic center D Reaction site
17 Enzymes speed up reactions by: A Increasing temperature B Lowering activation energy C Changing products D Increasing pressure
19 Which process involves synthesis of complex molecules? A Catabolism B Anabolism C Digestion D Respiration
20 Which bond links amino acids in proteins? A Hydrogen bond B Ionic bond C Peptide bond D Glycosidic bond