Zoology Question Bank Pdf - 2

Question: 6

Which of the following organic compounds constitute about 45% of the dry protoplasm of a cell?

(A) Carbohydrates

(B) Fats

(C) Enzymes

(D) Proteins

Question: 7

The nitrogen in urea is present in the form of

(A) Amide

(B) Nitrate

(C) Ammonium

(D) Nitrite