Ecology Quiz

What is the main function of producers in an ecosystem?

• Feeding on other organisms

• Absorbing carbon dioxide

• Converting light energy to chemical energy

• Decomposing organic matter

Which type of consumer feeds directly on plants?

• Primary consumers

• Decomposers

• Secondary consumers

• Tertiary consumers

What is the ultimate source of energy in any ecosystem?

• Wind

• Sun

• Water

• Fossil fuels

What is the process where water receives excess nutrients, causing excessive growth of algae and water plants?

• Decomposition

• Respiration

• Photosynthesis

• Eutrophication

Which area stores more carbon than it releases and helps reduce global warming?

• Forest

• Carbon sink

• Ocean

• Atmospheric air

What is the main purpose of conservation in an ecosystem?

• Maintain biodiversity

• Increase pollution

• Reduce energy flow

• Destroy natural resources

What is the process where certain chemicals accumulate in the bodies of organisms along the trophic levels?

• Photosynthesis

• Bioaccumulation

• Respiration

• Decomposition

What is the technology used for sewage treatment that involves aerobic microorganisms?

• Aeration tank

• Anaerobic digester

• Incinerator

• Hatcheries

Which of the following is a pollutant that causes water pollution due to insecticides?

• Oxygen

• DDT

• Glucose

• Chlorophyll

What is the main reason for maintaining a stable and balanced ecosystem through conservation?

• Preserve natural scenery and wildlife

• Increase pollution

• Reduce biodiversity

• Destroy natural resources