Digestive System Quiz

Which of the following is NOT a class of essential nutrient?

• Carbohydrates

• Fats

• Proteins

• Fibers

What is the primary function of carbohydrates in the body?

• Water balance

• Vitamin synthesis

• Energy storage

• Insulation

Which enzyme is responsible for digesting proteins in the stomach?

• Trypsin

• Lipase

• Pepsin

• Amylase

What is the primary function of the liver in the human body?

• Production of bile

• Production of insulin

• Storage of glucose

• Destruction of red blood cells

Which of the following is a micronutrient required for plant growth?

• Calcium

• Iron

• Nitrogen

• Carbon

What is the function of the Casparian strip in plant roots?

• Control gas exchange

• Regulate hormone production

• Enhance nutrient absorption

• Prevent water loss

Which of the following is a major mineral required for bone growth?

• Zinc

• Magnesium

• Copper

• Phosphorus

What is the primary function of vitamins in the body?

• Energy storage

• Regulate metabolic activities

• Insulation

• Water balance

Which type of digestion involves hydrolysis of food inside vacuoles in a single cell?

• Extracellular digestion

• Intracellular digestion

• Absorption digestion

• Mechanical digestion

What is the primary function of the small intestine in the digestive system?

• Storage of glucose

• Absorption of nutrients

• Digestion of proteins

• Production of bile