ACTUAL EXAM Photosynthesis: Practice Questions #1
1. An inorganic molecule required by green plants for the process of photosynthesis is
A. oxygen
B. starch
C. carbon dioxide
D. glucose
2. Which activity occurs in the process of photosynthesis?
A. Chemical energy from organic molecules is converted into light energy.
B. Organic molecules are obtained from the environment.
C. Organic molecules are converted into inorganic food molecules.
D. Light energy is converted into the chemical energy of organic molecules.
3. Photosynthesis is the process by which
A. the potential energy of simple sugars is transferred to ATP molecules
B. simple sugars are gradually broken down to form lactic acid or alcohol
C. two simple sugar molecules combine to form maltose and water
D. light energy is converted into the chemical energy of simple sugars
4. Eating a sweet potato provides energy for human metabolic processes. The original source of
this energy is the energy
A. in protein molecules stored within the potato
B. from starch molecules absorbed by the potato plant
C. made available by photosynthesis
D. in vitamins and minerals found in the soil
5. The dense needles of Douglas fir trees can prevent most light from reaching the forest floor.
This situation would have the most immediate effect on
A. producers
B. carnivores
C. herbivores
D. decomposers
