Bank PO Questions

Study of Life in outer space or search of life external to Earth is known as Exobiology.

Polyunsaturated fats are healthy fats whcih we can get from eating greeny leaf vegetables, fish and some seeds that are helpful in brain functioning, nutrient rich blood, hair growth, etc...

Heat energy can be transferred by three major methods. They are 

1. Conduction,

2. Convection and

3. Radiation.

Conduction is the movement of heat through a substance by the collision of molecules

Convection occurs when particles with a lot of heat energy in a liquid or gas move and take the place of particles with less heat energy.

Radiation is the transfer of energy by means of photons in electromagnetic waves governed by the same laws. It occurs through a vacuum or any transparent medium.

The urinary system purpose in the human body is to eleminate the waste from the body. The urinary system is also called as Rena system. It consists of kidney, ureter, urinary bladder and urethra.