Questions

August 29, 1995 was for the first time declared National Sports Day, it being the 90th birthday of hockey wizard Dhyan Chand

If a micrograph is false-colored, it means that the computer has created the colour for the object since we know that the electron microscopes sees only black and white colours.

Nuclear power energy source generates radioactive waste.

Viswanathan Anand

Gene is a hereditary unit consisting of a sequence of DNA that occupies a specific location on a chromosome and determines a particular characteristic in an organism.

In short it is a piece or segment of chromosome.

Genes undergo mutation when their DNA sequence changes. 

Jay Cooke & Company, a major component of the United States banking establishment, found itself unable to market several million dollars in Northern Pacific Railway bonds in september 1873. Cooke's firm, like many others, had invested heavily in the railroads.

Hence, the bankruptcy of Jay Cooke & company initiated the Panic of 1873.