Question:
It is said that the elemental composition of living organisms and that of
inanimate objects (like earth’s crust) are similar in the sense that all the
major elements are present in both. Then what would be the difference
between these two groups? Choose the correct answer from among the
following:
a. Living organisms have more gold in them than inanimate objects
b. Living organisms have more water in their body than inanimate
objects
c. Living organisms have more carbon, oxygen and hydrogen per
unit mass than inanimate objects.
d. Living organisms have more calcium in them than inanimate
objects.
Solution:
Option (c) Living organisms have more carbon, oxygen and hydrogen per
unit mass than inanimate objects. is the answer.