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Digestive System Quiz

Total questions: 20

Worksheet time: 9mins

Name
Class
Date
1.

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

a)

Carbohydrates

b)

Fats

c)

Proteins

d)

Fibers

2.

What is the primary function of carbohydrates in the body?

a)

Water balance

b)

Vitamin synthesis

c)

Energy storage

d)

Insulation

3.

Which enzyme is responsible for digesting proteins in the stomach?

a)

Trypsin

b)

Lipase

c)

Pepsin

d)

Amylase

4.

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

a)

Production of bile

b)

Production of insulin

c)

Storage of glucose

d)

Destruction of red blood cells

5.

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

a)

Calcium

b)

Iron

c)

Nitrogen

d)

Carbon

6.

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

a)

Control gas exchange

b)

Regulate hormone production

c)

Enhance nutrient absorption

d)

Prevent water loss

7.

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

a)

Zinc

b)

Magnesium

c)

Copper

d)

Phosphorus

8.

What is the primary function of vitamins in the body?

a)

Energy storage

b)

Regulate metabolic activities

c)

Insulation

d)

Water balance

9.

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

a)

Extracellular digestion

b)

Intracellular digestion

c)

Absorption digestion

d)

Mechanical digestion

10.

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

a)

Storage of glucose

b)

Absorption of nutrients

c)

Digestion of proteins

d)

Production of bile

11.
Where are nutrients absorbed into the blood?
a)
esophagus
b)
small intestine
c)
stomach
d)
mouth
12.

Which organ absorbs water and is the last stage of the digestive process?

a)
Gall Bladder
b)
Pancreas
c)
Large Intestine
d)
Small Intestine
13.

What part of the digestive system is highlighted or mark "X"?

a)

Small intestine

b)

Large intestine

c)

Stomach

d)

Liver

14.

Which of the following is the correct sequence of food pathway from beginning to end?

a)

mouth, esophagus, stomach, small intestine, large intestine

b)

mouth, stomach, esophagus, small intestine, large intestine

c)

mouth, esophagus, stomach, large intestine, small intestine

d)

mouth, stomach, esophagus, large intestine, small intestine

15.
Produces insulin and enzymes to help digest food
a)
liver
b)
pancreas
c)
gallbladder
d)
esophagus
16.

Which organ in the digestive system secretes bile?

a)
Stomach
b)
Small intestine
c)
Liver
d)
Pancreas
17.

Which of the following correctly describes the purpose of digestion?

a)

To break down complex food molecules into simple soluble molecules

b)

To make complex food molecules from simple soluble molecules

c)

To make use of simple soluble food molecules

d)

To remove complex food molecules from the body

18.
How does food move through your digestive system?
a)
by gravity pulling it down
b)
when we eat more food, it forces the rest down
c)
muscle movements called peristalsis
d)
electromagnetic force
19.

At the end of the digestion process, protein will be broken down into

a)

glucose

b)

amino acid

c)

polypeptide

d)

glycerol and fatty acid

20.

At the end of the digestion process, fat will be broken down into

a)

fatty acid and glycerol

b)

glucose

c)

amino acid

d)

fatty acid