Questions

How many bio-geographical zones are there in India?

In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of thefour alternatives.

When the kerosene burned, the fuel in the tank below would be __________ pressure, and __________ a small circular flame would appear in the burner. The valve had tobe opened to let more kerosene vapour to the burner and pumping resumed. With the increase in pressure, the burner flame would spread _________ a loud noise. Tolower the flame, the valve had to be _________ opened to reduce the pressure and then tightened until the desired flame size was achieved. _________ you wanted theflame to be bigger, you had to hit the piston again. Pump stoves are still in vogue.

below would be __________ pressure

Which of the following is NOT an example of potential energy?

An object of 5.0 kg is raised through a height of 2.0m. The work done in the process is

Boiling point of water is ___.

Who designed the world's lightest satellite 'Kalamsat', which NASA launched and set a new world record?

Which one of the following statements is not correct?

In August 2017, who launched ‘S&P BSE Bharat 22 Index’?