Question : Select from the following the biotic component of an ecosystem.

Option 1: Sunlight

Option 2: Temperature

Option 3: Air

Option 4: Decomposer

Question : Which of the following is a technique of watering plants by making use of narrow tubings which deliver water directly to the base of the plant?

Option 1: Sprinkler irrigation

Option 2: Drip irrigation

Option 3: Step farming

Option 4: Sub-irrigation

Question : Which of the following places is not a find-spot of major rock edicts of Ashoka?

Option 1: Sopara

Option 2: Mansehra

Option 3: Bhabru

Option 4: Jaugada

Question : Which of the following was enacted in 1988 to ensure environmental stability and maintenance of ecological balance, which is vital for the sustenance of all life forms, humans, animals and plants?

Option 1: Biological Diversity Act

Option 2: Environment (Protection) Rules

Option 3: National Forest Policy

Option 4: National Environmental Tribunal Act

Question : Which of the following is a conductor of electricity?

Option 1: Rubber

Option 2: Pure water

Option 3: Saltwater

Option 4: Benzene