Biology
Which of the following is a radioactive pollutant ?
- Iodine-131
- Iodine-113
- Iodine-313
- Cobalt-16
Related Questions
The greenhouse effect leads to:
- Thermal pollution
- Oil spills
- Droughts
- Global warming
The energy content of X-rays is usually measured in:
- Proton
- Protium
- Photon
- None of these
Assertion. Pesticides are the chemical substances used in agriculture to destroy pests.
Reason. DDT is an example of a pesticide which is widely used all over India. Pests are the enemies of crop.
- Both A and R are True
- Both A and R are False
- A is True and R is False.
- A is False and R is True.
Assertion. Ozone layer is a sort of sunscreen present high up in the atmosphere which prevents the harmful ultra-violet rays of the sun from harming us.
Reason. Ozone is an allotropic form of carbon which is formed in the atmosphere due to the release of chloroflurocarbons.
- Both A and R are True
- Both A and R are False
- A is True and R is False.
- A is False and R is True.