Questions

Which of the following protects the inner lining of the stomach from the action of the hydrochloric acid under the normal conditions?

Land covers about ______ of the earth's surface.

___ is the transition of a substance directly from the solid to the gas phase without passing through the intermediate liquid phase.

Hirakud reservoir is built across the river

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.
A roundabout way of speaking

Which of the following disease is non-communicable in nature?

If a body takes 't' seconds to go once round the circular path of radius 'r', the velocity 'v' is given by

The Indian musical instrument 'Surbahar' is of which type?