Pre Assessment for Photosynthesis
1. Organisms that make their own food are ______________.
a. Autotroph
b. Decomposer
c. Heterotroph
2. What is the organelle in plants necessary for photosynthesis?
a. Mitochondria
b. Nucleus
c. chloroplast
3. During photosynthesis, low-energy electrons from water molecules are converted to highenergy electrons that are used to produce ATP. What causes this energy conversion?
A. oxygen
B. sunlight
C. simple sugars
D. carbon dioxide
4. Which of these would lead to a lower rate of photosynthesis in a plant?
a. an increase in the amount of oxygen in the air
b. a decrease in the amount of oxygen in the air
c. an increase in the amount of carbon dioxide in the air
d. a decrease in the amount of carbon dioxide in the air
5. The reactants for photosynthesis are:
a. Oxygen and glucose
b. Carbon Dioxide and light energy
c. Light energy and oxygen
6. What are the products for photosynthesis?
a.
Oxygen and glucose
b.
Carbon Dioxide and light energy
c.
Light energy and oxygen
7.
Which of these best explains the difference between the way animals and
plants exchange gases with their environments?
A.
B.
C.
D.
Animals use only photosynthesis, while plants use both photosynthesis and respiration.
Animals use only respiration, while plants use both photosynthesis and respiration.
Animals use both photosynthesis and respiration, while plants use only respiration.
Animals use both photosynthesis and respiration, while plants use only photosynthesis
8.
a.
b.
c.
What is the purpose of photosynthesis?
To make energy in the form of ATP
To make food which will be used or stored
To convert carbon dioxide into oxygen
9. Which color light is least important to a green plant during photosynthetic activities?
a. green
b. yellow
c. blue
d. orange
10. What is the primary pigment that is in the chloroplast?
a. Metachlorins
b. Chlorine
c. Chlorophyll