CAT Questions

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Silicon Carbide is a semiconductor which has silicon and carbon. It is also called as carborundam.

Silicon carbide is used for cutting very hard substances.

The process of absorbtion of rain water by the soil on the earth is called infiltration. By this process, the rain water that falls on the soil becomes ground water.

Ancient rock paintings have been found in Spain and France.

The plant cell organelles, "The power house of the cell" mitochondria and the chloroplasts contains their own DNA and ribosomes.

Engineer's Day is celebrated on the birth anniversary of Sir Mokshagundam Visvesvaraya in the memory of his contributions in engineering. Every year on his birthday i.e, on September 15 National Engineers Day is celebrated all over the country.