Environmental Studies Multiple Choice Questions and Answers

11. The drop in air temperature at a rate of 6.50 C per 1000 m increase in altitude of troposphere is known as

1. Environmental lapse rate
2. Environmental degradation
3. Green house effect
4. Global warming

12. The ecological pyramid always starts with the following at the base

1. Decomposer
2. Producer
3. Consumer
4. None of these

13. The Ecological pyramid that is always upright

1. Pyramid of energy
2. Pyramid of biomass
3. Pyramid of number
4. None of these

14. The flow of energy is

1. Oneway
2. Cyclic
3. Linear and oneway
4. None of these

15. The green plants are also called

1. Producers
2. Consumers
3. Reducers
4. Detritivores

16. The layer of atmosphere containing much of ozone gas is

1. Thermosphere
2. Stratosphere
3. Troposphere
4. Troposphere

17. The layer which provides ideal site for flying of jet planes is

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

18. The layers of atmosphere consists of

1. Troposphere, Stratosphere, Mesosphere and Temperature
2. Hydrosphere and biosphere
3. Lithosphere and Hydrosphere
4. Biosphere and Hydrosphere

19. The loss of water from plants and tree leaves is called

1. Precipitation
2. Respiration
3. Evaporation
4. Transpiration

20. The main components of photochemical smog is

1. water vapour
2. sulphur dioxide
3. oxides of nitrogen
4. all of the above