1. During inhalation, _____

A. the diaphragm moves down and the chest cavity contracts.
B. the diaphragm moves up and the chest cavity contracts.
C. the diaphragm moves up and the chest cavity expands.
D. the diaphragm moves down and the chest cavity expands.

2. Light energy is converted into
chemical energy in the process

A. glycolysis
B. photosynthesis
C. cellular respiration
D. fermentation

3. Which of the following is NOT a
requirement of photosynthesis? *

A. oxygen
B. light energy
C. carbon dioxide
D. water

4. What is the effect to human whentrees are cut and continue to
decrease in number? *

A. There will be lesser amount of carbon dioxide that will be available for them.
B. There will be greater source of livelihood and economic growth.
C. There will be no effect to human.
D. There will be lesser amount of oxygen that will be available for them


5. What do you call the process wherein plants make their own food?

A. cellular respiration
B. protein synthesis
C. carbon fixation
D. photosynthesis