Biomolecules Question 3
3. About 98 percent of the mass of every living organism is composed of just six elements including carbon, hydrogen, nitrogen, oxygen and [2007]
(a) sulphur and magnesium
(b) magnesium and sodium
(c) calcium and phosphorus
(d) phosphorus and sulphur.
Show Answer
Answer : c
Hints & Solutions
(c) Calcium and phosphorus are the remaining elements.
