Environmental Issues

Which of the following are most suitable indicators of SO2 pollution in the environment?

1. Conifers
2. Fungi
3. Algae
4. Lichens

Increase in concentration of the toxicant at successive trophic levels is known as:

1. Biomagnification
2. Biotransformation
3. Biodeterioration
4. Biogeochemical cycling

The UN Conference of Parties on climate change in the year 2011 was held in :

1. Peru
2. Qatar
3. Poland
4. South Africa

Which of the following is not one of the prime health risks associated with greater UV radiation through the atmosphere due to depletion of stratospheric ozone?

1. Increased liver cancer
2. Increased skin cancer
3. Damage to eyes
4. Reduced Immune System

High value of BOD (Biochemical Oxygen Demand) indicates that :

1. water is highly polluted
2. consumption of organic matter in the water is higher by the microbes
3. water is pure
4. water is less polluted

Rachel Carson's famous book "Silent Spring" is related to:

1. Population explosion
2. Pesticide pollution
3. Ecosystem management
4. Noise pollution

The zone of atmosphere in which the ozone layer is present is called :

1. Mesosphere
2. Stratosphere
3. Ionosphere
4. Troposphere

A scrubber in the exhaust of a chemical industrial plant removes :

1. particulate matter of the size 5 micrometer or above
2. particulate matter of the size 2.5 micrometer or less
3. gases like ozone and methane
4. gases like sulphur dioxide

Kyoto-Protocol was endorsed at :

1. CoP-6
2. CoP-4
3. CoP-3
4. CoP-5

Global warming can be controlled by :

1. Increasing deforestation, slowing down the growth of human population
2. Reducing deforestation, cutting down use of fossil fuel
3. Increasing deforestation, reducing efficiency of energy usage
4. Reducing reforestation, increasing the use of fossil fuel