Questions

Endorphins are called pain controlling chemicals in the body.

The study of Brain is called as Phrenology. 

Neurology is a branch of medicine dealing with disorders of the nervous system.

Nephrology is the study of kidney.

Neurobiology or Neuroscience is the study of the nervous system

A major Rabi Crop of India is wheat and barley in second place.

In computers, generally Font size is measured in points (pt).

Most of the emissions of greenhouse gases (GHG) come primarily from burning fossil fuels (coal, hydrocarbon gas liquids, natural gas, and petroleum) for energy use and the major greenhouse gas is of course carbon dioxide (CO2) which comes from burning fossil fuels and land-use change.

But methane (CH4) and nitrous oxide (N2O), which mostly come from agriculture and waste, are also significant GHGs and shouldn't be discounted.

A Badminton shuttle or a tennis ball.

The largest district in Bangladesh is Rangamati. And smallest district is Narayangunj.