Questions

Which of the following vitamins contain nitrogen?

Insects that transmit diseases are known as

Periyar Tiger Reserve is in which state?

Which state does not share its border with Jharkhand?

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.

If you exercise ______________ for half an hour daily, then you will rid yourself from the problem of hypertension.

In the following question, out of the four alternatives, select the alternative which will improve the bracketed part of the sentence. In case no improvement is needed, select "no improvement".

From the early 1990s, salaries shot up and stock options (were introduced).

The source of energy in an ecosystem is

Calculate the frequency (in Hz) of a sound wave of wavelength 5 m travelling with a speed of 360 m/s.