Photosynthesis and Cellular Respiration Quiz

What is the name of the most important chemical reaction on the planet?

• Combustion

• Oxidation

• Photosynthesis

• Fermentation

What is the name of the energy-releasing process that releases carbon dioxide back into the environment?

• Photosynthesis

• Respiration

• Fermentation

• Oxidation

What is the pigment needed for photosynthesis?

• Chlorophyll

• Melanin

• Carotene

• Hemoglobin

Where does the series of respiration reactions take place in plants and animals?

• Nucleus

• Cytoplasm

• Mitochondria

• Endoplasmic Reticulum

What is the gas released by plants during photosynthesis?

• Hydrogen

• Nitrogen

• Oxygen

• Carbon Dioxide

What is the main purpose of photosynthesis?

• To break down carbohydrates

• To absorb carbon dioxide

• To produce oxygen

• To release energy

What is the main purpose of respiration?

• To break down carbohydrates

• To release energy

• To absorb carbon dioxide

• To produce oxygen

What is the catalyst needed for photosynthesis?

• Carotene

• Hemoglobin

• Chlorophyll

• Enzyme

What is the catalyst needed for respiration?

• Enzyme

• Chlorophyll

• Melanin

• Carotene

What is the main difference between combustion and respiration?

• Combustion releases oxygen, respiration releases carbon dioxide

• Combustion happens in plants, respiration happens in animals

• Combustion requires sunlight, respiration requires water

• Combustion happens at high temperatures, respiration happens at normal temperatures