Answer: (b) kilogram.
Explanation: Weight is a physical quantity that represents the amount of force exerted or put on a particle by either the gravitational pull or the acceleration field on the surface or ground base level. A standard unit for measuring any physical quantity is needed in terms of getting more reliable and calculative accurate results. The symbol for denoting weight is (w) and the SI Unit of measurement for the weight of any object is Kilogram (Kg). Main standard of measuring unit weight is Kilograms (Kg) and 1000th part of Kg is known as grams (g)
According to the units, 1Kg = 1000g.