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Untitled Quiz

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

Which of the following is the main energy-supplying compound of the body?

a)

Sucrose

b)

Glucose

c)

Galactose

d)

Fructose

2.

What is the principal polysaccharide in the human body?

a)

Glycogen

b)

Starch

c)

Chitin

d)

Cellulose

3.

Which enzyme is responsible for breaking down lactose?

a)

Amylase

b)

Lactase

c)

Lipase

d)

Protease

4.

What is the function of hyaluronic acid in the eyeball?

a)

Forms the vitreous fluid

b)

Acts as an enzyme

c)

Provides energy

d)

Functions as a hormone

5.

Which of the following is a saturated fatty acid?

a)

Arachidonic acid

b)

Palmitic acid

c)

Linoleic acid

d)

Oleic acid

6.

What is the role of lipoproteins in the body?

a)

Store carbohydrates

b)

Transport lipids in the blood

c)

Synthesize vitamins

d)

Break down proteins

7.

Which vitamin is necessary for bone growth and repair?

a)

Vitamin E

b)

Vitamin C

c)

Vitamin A

d)

Vitamin D

8.

What is the primary structure of a protein?

a)

The arrangement of polypeptide chains

b)

The three-dimensional shape

c)

The sequence of amino acids

d)

The twisting and folding of amino acids

9.

Which of the following is a function of enzymes?

a)

Increase the frequency of collisions

b)

Store genetic information

c)

Transport oxygen

d)

Provide structural support

10.

What is the main function of DNA?

a)

Genetic coding

b)

Hormone regulation

c)

Energy storage

d)

Protein synthesis

11.

Which of the following is a purine base in DNA?

a)

Adenine

b)

Thymine

c)

Cytosine

d)

Uracil

12.

What is the role of mRNA in the cell?

a)

Forms the genetic code

b)

Involved in ribosomal assembly

c)

Carries genetic instructions from DNA to ribosomes

d)

Attaches to specific amino acids

13.

Which of the following is a characteristic of trans fats?

a)

They are essential fatty acids

b)

They are liquid at room temperature

c)

They raise LDL cholesterol

d)

They are naturally found in fruits

14.

What is the function of bile salts?

a)

Act as antioxidants

b)

Provide structural support

c)

Regulate blood glucose levels

d)

Assist in fat digestion and absorption

15.

Which of the following is a component of the plasma membrane?

a)

Triglycerides

b)

Phospholipids

c)

Cellulose

d)

Glycogen