Find out the sources from where Arsenic and Fluoride can enter our bodies.

Find out the sources from which mercury can enter the human body.

Name two more sources from where harmful chemicals can get mixed in water body.

Find out the correct sequence in body wall of Ascaris

Name some chemical which can cause harm if they enter our body.

What is the source of energy in our body?

From where sperm enters the egg?

Find out from internet what is golden rice.

Two monochromatic lights coming out from two coherent sources can produce constructive inteructive interference when their phase difference becomes

What should we do to prevent microbes from causing infections in our bodies?

The relation between the time taken and the displacement of a moving body is s = 2t - 3t^(2) + 4t^(3) , where the unit of s is in metre and that of t is in second. Find out the displacement, velocity and acceleration of the body 2s after initiation of the journey.