Aerobic respiration Quiz

1. Which is the balanced equation for aerobic respiration?

• A. $C_6H_{12}O_6 + 6O_2 \rightarrow 6CO_2 + 6H_2O$
• B. $C_6H_{12}O_6 + O_2 \rightarrow CO_2 + H_2O$
• C. $6CO_2 + 6H_2O \rightarrow C_6H_{12}O_6 + 6O_2$
• D. $C_6H_{12}O_6 \rightarrow 6CO_2 + 6H_2O$

2. Where in a cell does aerobic respiration take place?

• A. In the nucleus
• B. In the mitochondria
• C. In the cell membrane
• D. In the vacuole

3. Which is a use of the energy released in respiration?

• A. Absorbing light for photosynthesis
• B. Making glucose from carbon dioxide
• C. Active transport of mineral ions into root hair cells
• D. Diffusion of oxygen into cells

4. A student says: 'Plants do not respire because they photosynthesise.' What is wrong with this?

• A. Plants only respire at night
• B. Plants respire only in their roots
• C. Photosynthesis and respiration are the same reaction
• D. All living cells respire, including plant cells, day and night

5. A sprinter's muscles respire faster during a race. Which change helps supply them?

• A. The heart beats slower to save energy
• B. The heart beats faster to deliver more oxygen and glucose
• C. Breathing slows down to keep oxygen in the body
• D. The muscles make their own oxygen