Category: Important Questions
How do the bees make honey? The bees suck the nectar from the flowers and swallow them. Special enzymes in the bees, act on the nectar whereby the sugars …
How is the exact carat of gold measured? Carat is the measure of purity of gold. Pure gold is of 24 carats. While for making ornaments, gold of 24 …
How is that information for weather forecasting obtained? Weather is constantly changeling in most parts of the world. Information like temperature, humidity, sunshine, air pressure, speed of wind and …
How does a radio work? Radio is the receiving end of the signals originating at distant radio stations. During a radio programme in the studio, the voices and music …
How is the speed of wind measured? The speed of wind can be measured by an Anemometer. The Beaufort system developed by Admiral Sir Francis Beaufort in 1805 judges …
How are meteorites dated? Meteorites are made up of Uranium rocks having radioactive atoms of Uranium and some non-radioactive atoms of lead. This Uranium is unstable and gradually decomposes …
How does a telephone work? The fascinating instrument, Telephone, was invented by Alexander Graham Bell in 1876. The Telephone transmits sound waves in the form of electric currents. The …
How is silk obtained from silk worms? Silkworms feed on mulberry leaves which are soft and juicy and ideal for their grazing. Well fed worms start spinning cocoons around …
