Category: Important Questions
Why does a newspaper tear easily in one not in other direction? The newspaper is made up of a compact network of fine fibres of cellulose. The ma-chine used …
Why does honey not go bad even if kept for a long time? Honey is made from the nectar of the flowers by the honey bees. It is stored …
Why are tyre surfaces corrugated and rough? The surface of the tyres in vehicles is rough and corrugated to increase the friction between the tyres and the road. This …
Why do newly weds go on a honey-moon? Newly weds go on a honeymoon to get to know each other more. This custom started with the ancient Tentons who …
Why is it that women, in general, require less energy them men of the same age group? Women require It energy than men because their average body less than …
Why are there only cough syrups and not cough tablets? There are two types of cough — local irritations and systemic irritations. To soothen a local irritation, medications having …
Why does a tractor have larger rear wheels’? The rear wheels of a tractor are made larger to increase the area of contact between the wheel and the ground …
Why are the windmills mounted on top of tall poles? Continuous flow of air is a must for the windmill to work and produce energy. The wind blows more …