Science Form 2 ( All topics)

Which type of nutrient is the main source of energy for the human body?

• Protein

• Carbohydrates

• Fats

• Vitamins

What is the function of bile in digestion?

• Breaking down proteins

• Emulsifying fats

• Digesting carbohydrates

• Absorbing nutrients

Where does the absorption of nutrients primarily occur in the digestive system?

• Stomach

• Large intestine

• Small intestine

• Esophagus

What is the role of villi in the small intestine?

• Producing digestive enzymes

• Absorbing nutrients

• Storing bile

• Breaking down fats

Which of the following foods is rich in protein?

• Bread

• Rice

• Chicken

• Butter

What process allows plants to produce their own food?

• Respiration

• Photosynthesis

• Transpiration

• Germination

What is the main pigment involved in photosynthesis?

• Carotene

• Chlorophyll

• Hemoglobin

• Xanthophyll

What are the two main products of photosynthesis?

• Oxygen and carbon dioxide

• Glucose and oxygen

• Water and carbon dioxide

• Glucose and water

What is the function of stomata in leaves?

• Absorbing sunlight

• Allowing gas exchange

• Transporting water

• Supporting photosynthesis

Which factor does not affect the rate of photosynthesis?

• Light intensity

• Carbon dioxide concentration

• Amount of chlorophyll

• Temperature of water