Quiz for the topic Digestive System. 4th Qaurter

1. Science 8
Quarter 4
Name: ______________________ Section: ________
Quiz 1.
Directions: Encircle the letter of the correct answer.
1. Which part of the alimentary canal receives bile from the
liver?
A. Stomach B. Small Intestine
C. Duodenum D. Large Intestine
2. Which of the following acids is secreted in the
stomach?
A. sulfuric acid B. nitric acid
C. hydrochloric acid D. acetic acid
3. Which of the following is the longest part of the
digestive system?
A. stomach B. Small intestine
C. duodenum D. Large intestine
4. begins the process of breaking down food and makes
food moist so it's easier to swallow.
A. saliva B. mucus
C. bile D. gastric juice
5. absorbs water from undigested food and forms waste
into poop.
A. small intestine B. liver
C. large intestine D. stomach
6. produced by the liver and helps the body absorb fats.
A. enzymes B. bile
C. acids D. mucus
7. Chemical digestion of carbohydrates begins in the:
A. mouth B. stomach
C. small intestine D. large intestine
8. the main function of the digestive system.
A. Circulates blood
B. Breaks down food for nutrient absorption
C. Produces oxygen
D. Controls body temperature
9. The enzyme in saliva helps break down carbohydrates.
A. Pepsin B. Amylase
C. Lipase D. Trypin
10. The function of the esophagus.
A. Absorbs nutrients
B. Produces digestive enzymes
C. Transports food to the stomach
D. Stores bile
11. A person has a problem with their gallbladder and
cannot store bile properly. What type of food might be
harder for their body to digest?
A. Rice and bread
B. Cheese and fried food
C. Fruits and vegetables
D. Lean protein like chicken
12. What would happen if the pancreas stopped producing
digestive enzymes?
A. Food would not be broken down properly in the
intestines.
B. The stomach would start digesting food faster.
C. The liver would produce more acid.
D. The esophagus would absorb more nutrients.
Science 8
Quarter 4
Name: ______________________ Section: ________
Quiz 1.
Directions: Encircle the letter of the correct answer.
1. Which part of the alimentary canal receives bile from the
liver?
A. Stomach B. Small Intestine
C. Duodenum D. Large Intestine
2. Which of the following acids is secreted in the
stomach?
A. sulfuric acid B. nitric acid
C. hydrochloric acid D. acetic acid
3. Which of the following is the longest part of the
digestive system?
A. stomach B. Small intestine
C. duodenum D. Large intestine
4. begins the process of breaking down food and makes
food moist so it's easier to swallow.
A. saliva B. mucus
C. bile D. gastric juice
5. absorbs water from undigested food and forms waste
into poop.
A. small intestine B. liver
C. large intestine D. stomach
6. produced by the liver and helps the body absorb fats.
A. enzymes B. bile
C. acids D. mucus
7. Chemical digestion of carbohydrates begins in the:
A. mouth B. stomach
C. small intestine D. large intestine
8. the main function of the digestive system.
A. Circulates blood
B. Breaks down food for nutrient absorption
C. Produces oxygen
D. Controls body temperature
9. The enzyme in saliva helps break down carbohydrates.
A. Pepsin B. Amylase
C. Lipase D. Trypin
10. The function of the esophagus.
A. Absorbs nutrients
B. Produces digestive enzymes
C. Transports food to the stomach
D. Stores bile
11. A person has a problem with their gallbladder and
cannot store bile properly. What type of food might be
harder for their body to digest?
A. Rice and bread
B. Cheese and fried food
C. Fruits and vegetables
D. Lean protein like chicken
12. What would happen if the pancreas stopped producing
digestive enzymes?
A. Food would not be broken down properly in the
intestines.
B. The stomach would start digesting food faster.
C. The liver would produce more acid.
D. The esophagus would absorb more nutrients.

2. 13. What would happen if peristalsis stopped
working?
A. Food would not move through the digestive tract
properly.
B. Stomach acid would become too strong.
C. The pancreas would stop producing enzymes.
D. The liver would produce more bile.
14. Some people experience heartburn after eating
spicy food. What is the most likely reason?
A. Spicy food increases stomach acid production.
B. Spicy food moves too quickly through the
intestines.
C. Spicy food blocks enzyme production.
D. Spicy food reduces bile flow.
15. A person is dehydrated. How might this affect
digestion?
A. Stomach acid production increases.
B. Constipation may occur.
C. Digestion speeds up.
D. More bile is produced.
16. Stomach acid helps kill harmful bacteria.
What might happen if a person has very low stomach
acid?
A. They may be more likely to get food poisoning.
B. They will digest food faster.
C. They will feel full longer.
D. They will produce more saliva.
17. Probiotics are found in foods like yogurt. How do
probiotics benefit digestion?
A. They increase stomach acid production.
B. They provide beneficial bacteria for digestion.
C. They neutralize bile.
D. They break down carbohydrates directly.
18. The following is a main function of the large
intestine.
A. Breaking down proteins
B. Absorbing water
C. Producing digestive enzymes
D. Storing bile
19. Which function is performed by the small
intestine?
A. Breaking down food with acid
B. Absorbing nutrients into the blood
C. Storing waste for elimination
D. Producing digestive enzymes
20. Why do people sometimes feel sleepy after eating
a big meal?
A. The stomach sends signals to the brain to rest.
B. The body directs more blood to the digestive
system.
C. The food absorbs all the oxygen from the blood.
D. The stomach releases sleep-inducing hormones.
13. What would happen if peristalsis stopped
working?
A. Food would not move through the digestive tract
properly.
B. Stomach acid would become too strong.
C. The pancreas would stop producing enzymes.
D. The liver would produce more bile.
14. Some people experience heartburn after eating
spicy food. What is the most likely reason?
A. Spicy food increases stomach acid production.
B. Spicy food moves too quickly through the
intestines.
C. Spicy food blocks enzyme production.
D. Spicy food reduces bile flow.
15. A person is dehydrated. How might this affect
digestion?
A. Stomach acid production increases.
B. Constipation may occur.
C. Digestion speeds up.
D. More bile is produced.
16. Stomach acid helps kill harmful bacteria.
What might happen if a person has very low stomach
acid?
A. They may be more likely to get food poisoning.
B. They will digest food faster.
C. They will feel full longer.
D. They will produce more saliva.
17. Probiotics are found in foods like yogurt. How do
probiotics benefit digestion?
A. They increase stomach acid production.
B. They provide beneficial bacteria for digestion.
C. They neutralize bile.
D. They break down carbohydrates directly.
18. The following is a main function of the large
intestine.
A. Breaking down proteins
B. Absorbing water
C. Producing digestive enzymes
D. Storing bile
19. Which function is performed by the small
intestine?
A. Breaking down food with acid
B. Absorbing nutrients into the blood
C. Storing waste for elimination
D. Producing digestive enzymes
20. Why do people sometimes feel sleepy after eating
a big meal?
A. The stomach sends signals to the brain to rest.
B. The body directs more blood to the digestive
system.
C. The food absorbs all the oxygen from the blood.
D. The stomach releases sleep-inducing hormones.