Understanding the Parts of an Egg

What is the main component of an eggshell?

• Calcium carbonate

• Keratin

• Albumen

• Yolk

The outermost coating of an eggshell is called the ______.

• Chalazae

• Bloom

• Vitelline membrane

• Air cell

How many tiny pores can an eggshell have?

• 10,000

• 15,000

• 17,000

• 20,000

What is the function of the inner and outer membranes of an egg?

• Provide color

• Defense against bacteria

• Store nutrients

• Support the yolk

How many different proteins are found in the albumen?

• 20

• 30

• 40

• 50

The chalazae hold the yolk in the ______ of the egg.

• Side

• Center

• Top

• Bottom

The bloom or cuticle helps keep out ______ and dust.

• Water

• Bacteria

• Light

• Air

The air cell is usually found at the ______ end of the egg.

• Larger

• Smaller

• Middle

• Top

What does the presence of prominent chalazae indicate about an egg?

• It is old

• It is fresh

• It is cooked

• It is spoiled

Fill in the blank: The yolk is a source of ______, an effective emulsifier.

• Lecithin

• Calcium

• Iron

• Thiamine