Unit 3 Energy

Which substance absorbs green light?

• Chlorophyll
• Xanthophyll
• Carotene
• None of these

Photosynthesis occurs in plant cell organelles called

• mitochondria.
• ribosomes.
• chloroplasts.
• none of these.

Tags

NGSS.HS-LS1-5

NGSS.HS-LS2-5

If all other variables remained the same, increasing CO₂ would cause which of the following during photosynthesis?

• An increase in O₂ formation.
• A decrease in glucose formation.
• An increase in H₂O formation.
• A decrease in H₂O formation.

Tags

NGSS.HS-LS2-5

The correct balanced equation for photosynthesis is

• C₆H₁₂O₆ + 6 O₂ --> 6 CO₂ + 6 H₂O + energy
• C₆H₁₂O₆ + O₂ --> CO₂ + H₂O + energy
• CO₂ + H₂O + light --> C₆H₁₂O₆ + O₂
• 6 H₂O + 6 CO₂ + light --> C₆H₁₂O₆ + 6 O₂

Tags

NGSS.HS-LS1-5

NGSS.HS-LS2-5

The reactants for photosynthesis are

• carbon dioxide and glucose.
• carbon dioxide and water.
• oxygen and carbon dioxide.
• oxygen and glucose.

Tags

NGSS.MS-LS1-6

Which of the following is a product of cell respiration?

• Oxygen
• Glucose
• Water
• All of these

Tags

NGSS.HS-LS1-7

The reactants of photosynthesis are the (6CO2 + 6H20 --> C6H12O6 + 6O2)

• products of cell respiration.

• reactants of cell respiration.

• products of glycolysis.

• reactants of fermentation.

Organisms that can't make their own food and must get their energy from the foods the eat are known as

• plants.
• animals.
• autotrophs.
• heterotrophs.

Tags

NGSS.MS-LS2-3

___ is one name of the byproduct made when anaerobic respiration produces energy.

• Carbonic acid

• Hydrochloric acid

• Sulfuric acid

• Lactic acid

The name of the molecule in which energy is stored through cell respiration is

• adenosine triphosphate.
• carbon dioxide.
• water.
• oxygen.