Which of the following statements about SI units are correct?
Statement 1: There are 8 base units in SI system.
Statement 2: Gram and centimeter comes under the SI units.
a) True, False
b) True, True
c) False, True
d) False, False

Answer: d
Explanation: There are 7 base units in SI system. They are: kilogram (kg) for mass, kelvin (K) for temperature, mole (mol) for the amount of a substance, ampere (A) for electric current, candela (cd) for luminous intensity, second (s) for time and meter (m) for distance.