Question 16: The products of photosynthesis are:
A. glucose and water
B. glucose and carbon dioxide
C. carbon dioxide, water, and energy
D. glucose and oxygen

Question 17:
What factors influence the rate of photosynthesis?
A. light intensity
B. water availability
C. temperature
D. CO2
E. All the above

Question 18:
During the process of photosynthesis, solar energy is converted into:
A. chemical energy
B. thermal energy
C. heat energy
D. mechanical energy

Question 19:
The main function of respiration is to produce:
A. oxygen
B. Glucose
C. ATP
D. Carbon dioxide

Question 20:
The anaerobic breakdown of glucose is also called:
A. Fermentation
B. Respiration
C. Photosynthesis
D. Chemiosmosis

Question 21:
In human cells (muscle cells) the fermentation process produces:
A. Lactic Acid
B. Pyruvic Acid
C. 12 molecules of ATP
D. 36 molecules of ATP

Question 22:
Why do we breathe more heavily during a hard exercise?
A. because your cells need more O2
B. because your cells are producing more CO2
C. because your cells need more glucose
D. A and B

Question 23:
The cellular organelle of eukaryotic organisms which is responsible for photosynthetic activity is the:
A. nucleus
B. chloroplast
C. mitochondrion
D. ribosome

Question 24:
The energy source in photosynthesis is:
A. glucose
B. air
C. ultraviolet light
D. visible light

Question 25:
Which of the following is NOT true of chlorophyll?
A. It is green in color
B. It is found in mitochondria
C. It doesn’t absorb green light
D. It is the main photosynthetic pigment in plants