Match each item in Column I with one item in Column II and chose your answer from the codes given below.

Codes:

Nuisance growth of aquatic plants and bloom-forming algae in natural waters is generally due to high concentrations of:

The Environment Protection Act was passed in:
1. 1988
2. 1987
3. 1985
4. 1986

Burying the radioactive wastes is not acceptable to many people as:
1. there is a risk of groundwater contamination
2. it may explode
3. it will harm the buried dead bodies
4. it may get accumulated in vegetation

 In the light of the above statements, choose the most appropriate answer from the options given below:

Kyoto protocol commits signatories to:
1. Plant more trees
2. Cut forests for agriculture
3. Increasing nitrogen oxides into the atmosphere
4. Increasing the amount of methane in the atmosphere

A genetically modified organism has been tried for mitigating the effects of:
1. Oil spills
2. Degrading CFCs
3. Reduce methane emission
4. Removing DDT from water bodies

Which of the following is not an ill effect of PAN?
1. inhibition of electron transport system in plants
2. damage to chloroplasts in plants
3. acute irritation of eyes in humans
4. leukemia in humans

Match the following and choose the correct option.

The correct match is :

Of the ultraviolet radiation that reaches the Earth's surface, more than 95% is:
1. UV A
2. UV B
3. UV C
4. UV radiation reaching Earth has an equal percentage of UV A, UV B, and UV C