Question 1

What is the primary function of the stomach in the digestive system?

Accepted Answer

To break down food and mix it with digestive juices

Answer

To produce saliva

Answer

To absorb nutrients

Answer

To filter waste

Question 2

What is the main organ responsible for digesting food?

Accepted Answer

Stomach

Answer

Liver

Answer

Lung

Answer

Kidney

Question 3

What does the small intestine do?

Accepted Answer

Absorbs nutrients from food

Answer

Stores waste

Answer

Produces saliva

Answer

Breaks down food

Question 4

Which part of the digestive system is responsible for breaking down food into smaller pieces?

Accepted Answer

Mouth

Answer

Pancreas

Answer

Gallbladder

Answer

Esophagus

Question 5

What is the role of the liver in the digestive system?

Accepted Answer

Produces bile to help digest fats

Answer

Stores food

Answer

Filters blood

Answer

Absorbs nutrients

Question 6

What is the function of saliva in the digestive process?

Accepted Answer

Helps break down food and makes it easier to swallow

Answer

Absorbs vitamins

Answer

Stores energy

Answer

Cleans teeth

Question 7

What is the tube that connects the throat to the stomach called?

Accepted Answer

Esophagus

Answer

Diaphragm

Answer

Colon

Answer

Trachea

Question 8

What is the main function of the large intestine?

Accepted Answer

Absorbs water and forms waste

Answer

Breaks down fats

Answer

Digests food

Answer

Produces enzymes

Question 9

Which enzyme in the saliva begins the digestion of carbohydrates?

Accepted Answer

Amylase

Answer

Lipase

Answer

Lactase

Answer

Pepsin

Question 10

What substance protects the stomach lining from being digested by its own acids?

Accepted Answer

Mucus

Answer

Enzyme

Answer

Bile

Answer

Saliva

Question 11

What is the process called when food is broken down into smaller components?

Accepted Answer

Digestion

Answer

Absorption

Answer

Excretion

Answer

Ingestion

Question 12

What is the main function of the stomach in the digestive system?

Accepted Answer

To break down food into a liquid mixture

Answer

To absorb nutrients

Answer

To filter waste

Answer

To store bile

Question 13

What part of the digestive system absorbs most of the nutrients from food?

Accepted Answer

Small intestine

Answer

Esophagus

Answer

Stomach

Answer

Large intestine

Question 14

What is the role of saliva in digestion?

Accepted Answer

To help break down food and make it easier to swallow

Answer

To produce stomach acids

Answer

To absorb nutrients

Answer

To store food

Question 15

Which organ produces bile that helps digest fats?

Accepted Answer

Liver

Answer

Stomach

Answer

Pancreas

Answer

Gallbladder

Question 16

What is the tube called that connects the mouth to the stomach?

Accepted Answer

Esophagus

Answer

Intestine

Answer

Trachea

Answer

Larynx

Question 17

Which part of the digestive system is primarily responsible for water absorption?

Accepted Answer

Large intestine

Answer

Stomach

Answer

Small intestine

Answer

Pancreas

Question 18

What is the primary function of the pancreas in the digestive system?

Accepted Answer

To produce digestive enzymes and hormones

Answer

To filter blood

Answer

To store food

Answer

To absorb nutrients

Question 19

What substance is produced by the stomach to help digest food?

Accepted Answer

Stomach acid

Answer

Bile

Answer

Saliva

Answer

Insulin

Question 20

What role do villi play in the digestive system?

Accepted Answer

They increase the surface area for nutrient absorption

Answer

They produce bile

Answer

They store waste

Answer

They break down food

Question 21

What is the main function of the gallbladder?

Accepted Answer

To store and release bile

Answer

To absorb water

Answer

To produce hormones

Answer

To digest proteins

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