33 questions
What is the equation for photosynthesis?
A Carbon dioxide + Water = Glucose + oxygen
B Carbon dioxide + water = glucose + oxygen
C Oxygen + glucose = water + carbon dioxide
D Glucose + water = Carbon dioxide + oxygen
What has happened to the concentration of oxygen in the Earth’s atmosphere over billions of years?
A Increased
B Decreased
C Remained the same
D There isn’t any
What is oxygen debt?
A The extra oxygen required after exercise to react with the lactic acid.
B The extra oxygen required before exercise to react with the lactic acid.
C The extra oxygen required during exercise to react with the glucose.
D The extra oxygen required after exercise to react with the glucose.
What cellular organelle absorbs the light energy?
A Mitochondria
B Nucleus
C Cytoplasm
D Chloroplast
What is the equation for respiration?
A Carbon dioxide + Water = Glucose + oxygen
B Carbon dioxide + water = glucose + oxygen
C Oxygen + glucose = water + carbon dioxide
D Glucose + water = Carbon dioxide + oxygen
Which biological molecules control the rate of metabolism?
A Glucose
B Fatty acids and glycerol
C Enzymes
D Cellulose
Select all that apply. Glucose can be used for:
Respiration
Making starch
Making amino acids
Making cellulose
Which equation represents anaerobic respiration in plants and yeast cells?
A starch = glucose + ethanol
B glucose = ethanol + oxygen
C glucose = carbon dioxide + water
D Glucose = ethanol + carbon dioxide