One kilogram of nitrogen is equivalent to which of the

Which organ is often called the 'Powerhouse of the Cell'?

Which of the following is the first organic compound that was synthesised in the laboratory?

Stars in the sky appear to twinkle due to –

A liquid of density ρ is rotating in a cylindrical vessel with constant angular velocity ω. The free surface of the liquid takes the shape of:

Vinegar, commonly used in cooking, is primarily composed of which acid?

The membrane surrounding the cell is called

Which gas is most abundant in the Earth’s atmosphere by volume?

Which gland secretes insulin?

Which is not shown by vitamins?       

The leading producer of Muga silk in the world is: