WorksheetsPhotosynthesis Quiz LE 2025
Total questions: 15
Worksheet time: 5mins
Name
Class
Date
1.
4. Which can be said about blue light vs. yellow light?
a)
A Blue light has a short wavelength and is effective for plant absorption
b)
B Yellow light is just about the best color of light for plant absorption
c)
C Yellow light has the shortest wavelength but it cannot be absorbed effectively
d)
D Blue light has a longer wavelength which provides more energy than yellow light
2.
6. What was the main reason the term "dark reaction" was changed to "light-independent reaction"?
a)
A Light always plays a direct role in all phases of photosynthesis
b)
B The dark reaction can occur with light or without it
c)
C Dark reactions always require darkness
d)
D Dark reactions never occur in light
3.
8. What is the main organelle associated with photosynthesis?
a)
A Chloroplast
b)
B Mitochondrion
c)
C Endoplasmic reticulum
d)
D Ribosomes
4.
3. Which specific sugar is produced by photosynthesis?
a)
A Sucrose
b)
B Glucose
c)
C Galactose
d)
D Maltose
5.
2. What are the raw materials ("ingredients") plants would use to make sugar for themselves?
a)
A Carbon dioxide and oxygen
b)
B Carbon dioxide and sunlight
c)
C Water and carbon dioxide
d)
D Sunlight and oxygen
6.
12. Which plant organs are most responsible for photosynthesis?
a)
A Roots
b)
B Stems
c)
C Flowers
d)
D Leaves
7.
14. The picture shows a structure that
a)
A regulates the flow of carbon dioxide and oxygen in and out of the plant
b)
B protects the plant from disease
c)
C releases wax
d)
D is found in underground roots to help absorb water
8.
9. What does sunlight do in photosynthesis?
a)
A It splits water
b)
B It causes photolysis to occur
c)
C It brings about the release of oxygen from plants
d)
D All of the above answers are correct
9.
1. What types of organisms are able to carry out photosynthesis?
a)
A Animals and Plants
b)
B Plants only
c)
C Plants and Fungi
d)
D Plants, some Protists, and some Bacteria
10.
13. Why do we balance the photosynthesis equation?
a)
A Because it looks nicer
b)
B Because scientists like working with numbers
c)
C Because coefficients are much better than subscripts
d)
D Because matter cannot be created nor destroyed and an equation needs to show that.
11.
5. Which color of visible light carries the most energy based on wavelength?
a)
A Violet
b)
B Red
c)
C Yellow
d)
D Green
12.
10. How many G3P (PGAL) molecules are needed to produce a single sugar molecule as a usable end product in photosynthesis?
a)
A 1
b)
B 2
c)
C 3
d)
D 6
13.
7. What is the name of a SINGLE membranous, disc-like structure in a chloroplast that contains chlorophyll?
a)
A Granum
b)
B Stroma
c)
C Thylakoid
d)
D Leukoplast
14.
11. Where does the "cycle" part of Calvin Cycle come from?
a)
A Melvin Calvin loved to ride his bicycle
b)
B The cycle happens from regeneration of RuBP from five PGAL molecules
c)
C It comes from the carbon dioxide that is allowed into the plant from the atmosphere
d)
D It comes directly from the production process of glucose
15.
15. Five of the same species of green plants are exposed to red, green, blue, yellow and violet light. Which of the following is true?
a)
A The plant under green light would absorb green light
b)
B The plant under blue light would photosynthesize well
c)
C Yellow and green are the best colors for plant growth.
d)
D Red light is not good because it has the same wavelength as green light
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