Quiz time!!!

The species restricted to be present in one region are called

• Edge species

• Endemic species

• Endangered species

• Key stone species

The term ‘Environment’ has been derived from the French word which means to encircle or surround

• 
  Environ

• Oikos

• Geo

• Aqua

World environment day is on:

• 
  5th May

• 5th June

• 18th July

• 16th August

Sustainable development means

• meeting present needs without compromising on future needs

• 
  progress of human beings

• balance between human needs and the ability of earth to provide the resources

• 
  all of the above

The most important remedy to avoid negative impact due to industrialization is

• 
  industry should be closed

• don’t allow new industrial units

• industry should treat all the wastes generated by it before disposal

• industries should be shifted far away from human habitats

Water logging is a phenomenon in which

• Crop patterns are rotated

• Soil root zone becomes saturated due to over irrigation

• Erosion of soil

• None of the above

Which of the following is the most environmental friendly agricultural practice?

• Using chemical fertilizers

• Using insecticides

• Organic farming

• None of the above

Energy flow in an ecosystem is

• Bidirectional

• Unidirectional

• Multidirectional

• All rounds

Mass of living matter at a trophic level in an area at any given time is called

• Standing state

• Standing crop

• Humus

• Detritus

Biogas contains mainly

• Methane

• Propane

• Butane

• Carbon dioxide