Ecology and Environmental Science
Questions covering ecosystem dynamics, energy flow, pollution control, and environmental processes
Questions
Question 1 Multiple Choice (Single Answer)
Which of the following trophic levels has the greatest biomass in any ecosystem?
- Producer
- Herbivore
- Primary carnivore
- Top carnivore
Question 2 Multiple Choice (Single Answer)
Which among the following programmes can benefit both humans and animals by controlling pollution?
- Pisciculture
- Agriculture
- Afforestation
- Silviculture
Question 3 Multiple Choice (Single Answer)
Select the correct order of energy flow in an ecosystem.
- Grass, goat, fox, lion
- Lion, fox, goat, grass
- Lion, goat, fox, grass
- Lion, goat, grass, fox
Question 4 Multiple Choice (Single Answer)
What consequence may result due to indiscriminate cutting of trees?
- The amount of carbon dioxide will decrease.
- The amount of carbon monooxide will decrease.
- The amount of carbon dioxide will increase.
- The amount of oxygen will increase.
Question 5 Multiple Choice (Single Answer)
Which of the following gases is the major component of a biogas plant?
- Methane
- Carbon monoxide
- Nitrogen dioxide
- Sulphur dioxide
Question 6 Multiple Choice (Single Answer)
Select the mismatched pair.
- Burning of dead plants and animals - release CO2
- Wind energy - greenhouse effect
- Burning of any substance - heating
- Radioactive substance - release radiations
Question 7 Multiple Choice (Single Answer)
Which of the following processes is responsible for nitrogen fixation in atmosphere?
- Nitrification
- Ammonification
- Nitration
- Nitrogenation