L5 LS - Homework

What are the primary inputs required for photosynthesis?

• Oxygen, water, and sunlight

• Carbon dioxide, glucose, and water

• Carbon dioxide, water, and sunlight

• Glucose, oxygen, and sunlight

What is the main goal of photosynthesis for plants?

• To produce oxygen for humans to breathe.

• To create food (glucose) for the plant's survival.

• To absorb excess carbon dioxide from the atmosphere.

• To generate heat for the plant's growth.

Which statement accurately describes cellular respiration?

• It is a process unique to plants.

• It only occurs during the day in plants.

• It transfers energy from food into usable energy for organisms.

• It is the primary way plants produce oxygen.

What is the primary role of photosynthesis in sustaining life on Earth?

• To convert water into oxygen for animals to breathe.

• To convert solar energy into a usable form of food for living organisms.

• To break down food molecules into ATP for cellular processes.

• To produce carbon dioxide for plant growth.

What is the main function of mitochondria in a cell?

• To perform photosynthesis.

• To store genetic information.

• To generate energy (ATP) for cellular chemical reactions.

• To transport substances within the cell.

How does aerobic respiration compare to anaerobic respiration in terms of ATP production per glucose molecule?

• Aerobic respiration produces significantly more ATP.

• Anaerobic respiration produces significantly more ATP.

• Both processes produce the same amount of ATP.

• Aerobic respiration produces no ATP, only anaerobic does.

What is a key environmental advantage of burning biofuels compared to traditional fossil fuels?

• Biofuels release no carbon dioxide into the atmosphere.

• Biofuels release carbon dioxide that was recently absorbed from the atmosphere by plants.

• Biofuels are easier to extract and process than fossil fuels.

• Biofuels produce more energy per unit than fossil fuels.