Which of the following is an example of  .xls and.doc?

What is the percentage of nitrogen present in farm yard manure (FYM) in general?

Which of the following transitions in hydrogen atom will result in emission of radiation of longest wavelength?

Who is credited with the discovery of X-rays?

Which of the following G-protein takes part in the regulation of vision?

The Aedes Aegypti mosquito can NOT act as a vector for -

In Young’s double-slit experiment, dark fringes on the screen occur where:

Kindly Study the following questions carefully and choose the right answer.

Which of the following instruments is used to measure humidity?

Which of the following gases in the atmosphere is/are responsible for acid rains?

1. Oxides of Sulphur

2. Oxides of nitrogen