Question

Which sentence is correct:

The yolk of the egg are white.

OR

The yolk of the egg is white.

Answer 1

the yolk of the egg is white

Answer 2

The correct answer is: The yolk of the egg is white.

This is because of the subject-verb agreement. If the subject is singular, you should use the singular form of the verb. Likewise, if the subject is plural, use the plural form of the verb. In this case, the subject is singular so the correct answer is The yolk of the egg is white.