Photosynthesis, Cellular Respiration, and Carbon Cycle Study

What is the main purpose of photosynthesis?

• To produce oxygen

• To convert solar energy into chemical energy

• To break down glucose

• To release carbon dioxide

Which organelle is responsible for photosynthesis in plant cells?

• Mitochondria

• Ribosome

• Chloroplast

• Nucleus

Which gas is a byproduct of photosynthesis?

• Carbon dioxide

• Oxygen

• Nitrogen

• Methane

Where does cellular respiration primarily occur in eukaryotic cells?

• Chloroplast

• Mitochondria

• Golgi apparatus

• Endoplasmic reticulum

What is the main product of cellular respiration?

• Glucose

• Oxygen

• ATP (Adenosine Triphosphate)

• Lactic acid

Which process releases carbon dioxide as a waste product?

• Photosynthesis

• Cellular respiration

What is the primary source of energy for the Earth's ecosystems?

• The Moon

• The Sun

• Chemical reactions

• Geothermal energy

Which of the following best describes the carbon cycle?

• The flow of oxygen through the biosphere

• The movement of carbon through the atmosphere, hydrosphere, lithosphere, and biosphere

• The cycling of nitrogen through the atmosphere

• The water cycle

Which molecule acts as the main energy currency in cells?

• Glucose

• ATP (Adenosine Triphosphate)

• DNA

• RNA

How do human activities impact the carbon cycle?

• They decrease the amount of carbon in the atmosphere

• They have no impact on the carbon cycle

• They increase the amount of carbon in the atmosphere

• They convert carbon into helium