Cycling of Matter Quiz

What is the primary source of energy for most ecosystems?

• Water

• The Moon

• The Sun

• Organic matter

What process do plants use to convert light energy into chemical energy?

• Cellular respiration

• Photosynthesis

• Fermentation

• Combustion

In photosynthesis, which two substances are reactants?

• Glucose and water

• Oxygen and water

• Carbon dioxide and water

• Carbon dioxide and oxygen

What is the main product of photosynthesis that stores energy?

• Oxygen

• Water

• Carbon dioxide

• Glucose

Which organelle is responsible for photosynthesis in plant cells?

• Mitochondria

• Nucleus

• Chloroplast

• Ribosome

Which gas is produced during photosynthesis and released into the atmosphere?

• Carbon dioxide

• Oxygen

• Nitrogen

• Hydrogen

What is the equation for cellular respiration?

• Glucose + Oxygen → Carbon Dioxide + Water + ATP

• Water + Sunlight → Glucose + Oxygen

• Carbon Dioxide + Water → Glucose + Oxygen

• Oxygen + ATP → Water + Glucose

Where does cellular respiration primarily occur in cells?

• Chloroplasts

• Nucleus

• Ribosomes

• Mitochondria

How does energy move through an ecosystem?

• It cycles indefinitely

• It flows in one direction and is eventually lost as heat

• It flows and cycles repeatedly

• It only moves through producers

How does matter move within an ecosystem?

• It flows in one direction

• It is not conserved

• It cycles continuously

• It moves only between producers and consumers