When huge amount of sewage is dumped in a river the BOD will:-

the longest bone in human body is:-

The second most abundant metal on the earth's crust is:-

Which atmospheric layer help in radio communication:-

The largest plates of solar panels are painted with:-

What is the warmest ocean;-

Infection of HIV  is usually detected by which test:-

What is the common name for drug acetyl salicylic acid:-

Frozen dew is also known as:-

Which one is a social indicator of poverty laid by social scientists:-

The muscle tissue and blood are made up of:-

What is the scientific name of flying fish:-

According to quantum theory of light,photon are:-

Trachoma is disease of:-

Another name of vitamin A is:-

How many eyes does a worm have:-

Which instrument is used to measure the power of electric circuit:-

Study of fruit is called;-

Hydrogen bomb is based on the principle of ________________:-

Nail polish remover contains:-

What is black hole:-

The study of structure of the body is called:-

One free redial of chlorine can destroy molecule of ozone:-

What is the chemical formula of zinc Hydroxide:-

99% of SPM in the exhaust of thermal power plant can be separated by:-