What is the degree of the polynomial 10?

Write the correct alternative answer for each of the following question: What is the degree of the polynomial?

What is the degree of the 0 polynomial?

What is the degree of the polynomial sqrt(7) ?

What is the degree of the polynomial 2x^2+5x^3+7 ?

Write the correct alternative answer for each of the following question: What is the degree of the polynomial \sqrt{7} ?