Digestion Trivia Quiz - Free Biology Quiz with Answers

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Are you curious to know the answers to all the digestion questions that have been bugging you for days? Take the Digestion Trivia Quiz and test your knowledge on the topic! This online Digestion quiz is perfect for obtaining knowledge about the digestion process and understanding the various stages in it. With over 20 questions and answers, you cover various topics like mechanical digestion, the process of digestion, human digestion system and its organs, nutrition, and more. Enjoy the quiz and find out what new you learn!

Question 1:

What is the primary function of the human digestive system?

A) Absorption of nutrients

B) Elimination of waste

C) Breaking down food into simpler molecules

D) Transporting nutrients

1 b

Question 2:

In which part of the digestive system does the process of digestion begin?

A) Mouth

B) Stomach

C) Small intestine

D) Large intestine

1 b

Question 3:

What is the main role of the stomach in digestion?

A) Absorption of nutrients

B) Storage and mechanical breakdown of food

C) Production of bile

D) Elimination of waste

1 b

Question 4:

Which part of the human digestive system is responsible for the majority of nutrient absorption?

A) Stomach

B) Small intestine

C) Large intestine

D) Liver

1 b

Question 5:

What is the main function of the large intestine in digestion?

A) Absorption of water and electrolytes

B) Storage and mechanical breakdown of food

C) Production of bile

D) Elimination of waste

1 b

Question 6:

Which of the following is not a product of chemical digestion?

A) Amino acids

B) Simple sugars

C) Chyme

D) Fatty acids

1 b

Question 7:

Which of the following is the correct order of the major organs in the human digestive system?

A) Mouth, stomach, esophagus, small intestine, large intestine

B) Mouth, esophagus, stomach, small intestine, large intestine

C) Mouth, esophagus, small intestine, stomach, large intestine

D) Mouth, stomach, small intestine, esophagus, large intestine

1 b

Question 8:

What muscular contractions propel food through the digestive system?

A) Peristalsis

B) Vasoconstriction

C) Vasodilation

D) Segmentation

1 b

Question 9:

Which organ stores and releases bile to help digest fat?

A) Liver

B) Gallbladder

C) Pancreas

D) Stomach

1 b

Question 10:

What is the role of hydrochloric acid in the stomach?

A) Neutralize stomach acid

B) Break down proteins

C) Kill bacteria and create the optimal pH for pepsin

D) Absorb nutrients

1 b

Question 11:

What is the name of the partially digested, semi-liquid mixture that leaves the stomach and enters the small intestine?

A) Chyme

B) Chyle

C) Bolus

D) Mucus

1 b

Question 12:

Which structure in the small intestine increases surface area to aid in nutrient absorption?

A) Villi

B) Gastric pits

C) Peyer's patches

D) Sphincters

1 b

Question 13:

What is the main function of the pancreas in digestion?

A) Absorption of nutrients

B) Storage and mechanical breakdown of food

C) Production of digestive enzymes and bicarbonate

D) Elimination of waste

1 b

Question 14:

What is the main function of the salivary glands in digestion?

A) Absorption of nutrients

B) Storage and mechanical breakdown of food

C) Production of saliva

D) Elimination of waste

1 b

Question 15:

What is the main function of the esophagus in digestion?

A) Absorption of nutrients

B) Transport of food to the stomach

C) Production of bile

D) Elimination of waste

1 b