B4 - Bioenergetics

Question 1

The word equation for photosynthesis is…

Answer 1

Carbon dioxide + water —–> glucose + oxygen

Question 2

The Symbol equation for photosynthesis is….

Answer 2

6CO₂ + 6H₂O —–> C₆H₁₂O₆ + 6O₂

Question 3

Plants use glucose for….

Answer 3

• Respiration
• Making Cellulose
• Making Amino Acids
• Stored as oils or fats
• Stored as starch

Question 4

The three limiting factors for photosynthesis are…

Answer 4

• Light Intensity
• Temperature
• Level of CO₂

Question 5

Canadian pondweed practical

Answer 5

• A source of White light is placed at a specific distance from the pondweed.
• Keep it there for a set amount of time and the oxygen will be collected in the capillary tube.

Question 6

Light intensity =

Answer 6

1/distance²

Question 7

Respiration is…

Answer 7

the process of transferring energy from glucose, which goes on in every cell.

Question 8

Metabolism is…

Answer 8

all the chemical reactions in an organism.

Question 9

Aerobic respiration

Answer 9

Glucose + oxygen —-> carbon dioxide + water

Question 10

Aerobic respiration symbol equation

Answer 10

c6h12o6 + 6o2 ——> 6co2 + 6h2o

Question 11

Anaerobic respiration

Answer 11

glucose ——> lactic acid

Question 12

Anaerobic respiration in plants and yeast

Answer 12

glucose ——> ethanol + carbon dioxide

Question 13

Oxygen debt is…

Answer 13

the amount of extra oxygen your body needs to react with the build up of lactic acid and remove it from the cells.