3rd SUMMATIVE TEST IN GENERAL BIOLOGY II

What is the primary function of the esophagus in the digestive process?

• Absorption of nutrients

• Secretion of digestive enzymes

• Mechanical breakdown of food

• Transport of food to the stomach

What is the primary function of the large intestine in the digestive process?

• Absorption of nutrients

• Secretion of digestive enzymes

• Mechanical breakdown of food

• Reabsorption of water and electrolytes

What is the primary function of amylase in carbohydrate digestion?

• Break down lactose

• Break down sucrose

• Break down maltose

• Break down starch and glycogen

Which stage of digestion involves the uptake of nutrients by the cells lining the digestive tract?

• Absorption

• Digestion

• Elimination

• Ingestion

Which enzyme is responsible for breaking down sucrose into glucose and fructose?

• Amylase

• Lactase

• Maltase

• Sucrase

Which enzyme initiates the breakdown of carbohydrates in the mouth?

• Amylase

• Lactase

• Maltase

• Sucrase

How are water-soluble vitamins absorbed into the bloodstream?

• Through the lymphatic system

• Through the liver

• Directly from the intestine

• Through the kidneys

Which enzyme initiates lipid digestion in the stomach?

• Amylase

• Lingual lipase

• Gastric lipase

• Pancreatic lipase

Where are monosaccharides absorbed into the bloodstream?

• Large intestine

• Liver

• Small intestine

• Stomach

What is the final product of breaking down fats?

• Monosaccharides

• Amino acids

• Glycerides and fatty acids

• Triglycerides