Environmental Studies Multiple Choice Questions and Answers

31. 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

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

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

33. The Ecological pyramid that is always upright

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

34. The flow of energy is

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

35. The green plants are also called

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

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

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

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

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

38. The layers of atmosphere consists of

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

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

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

40. The main components of photochemical smog is

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