Worksheetsการสังเคราะห์ด้วยแสง
Total questions: 20
Worksheet time: 15mins
Name
Class
Date
1.
Which of the following is the correct equation for PHOTOSYNTHESIS?
a)
CO2 + light + H2O --> O2 + Sugar
b)
CO2 + sugar + H2O --> O2 + light
c)
O2 + light + H2O --> CO2 + Sugar
d)
CO2 + O2 + H2O --> Light+ Sugar
2.
What process occurs when light energy is captured in autotrophs and converted into sugar?
a)
Photosynthesis
b)
Cellular Respiration
3.
What is the ultimate ORIGINAL source of energy for living things
a)
Sugar
b)
Sun
c)
Moon
d)
Carbon Dioxide
4.
What is the pigment in chloroplasts that performs photosynthesis?
a)
Chlorosynthesis
b)
Chlorophyll
c)
ADP
d)
Electron Transport
5.
Which gas is removed from the atmosphere during photosynthesis?
a)
hydrogen
b)
oxygen
c)
nitrogen
d)
carbon dioxide
6.
What are the products of photosynthesis?
a)
water and carbon dioxide
b)
oxygen and glucose
c)
oxygen and carbon dioxide
d)
oxygen and water
7.
Which of the following go through the process of photosynthesis?
a)
bees
b)
algae
c)
humans
d)
mushrooms
8.
What is the correct equation for photosynthesis?
a)
C6H12O6 + 6O2 --> 6CO2 + 6H2O
b)
6CO2 + 6O2 --> C6H12O6 + 6H2O
c)
6CO2 + 6O2 --> 6H2O + C6H12O6
d)
6CO2 + 6H2O --> 6O2 + C6H12O6
9.
What leaf structure prevents water loss?
a)
spongy mesophyll
b)
cuticle
c)
stoma
d)
phloem
10.
What tissue contains cells where the majority of photosynthesis takes place?
a)
spongy mesophyll
b)
palisade mesophyll
c)
upper epidermis
d)
guard cells
11.
What can change shape to open and close the stoma?
a)
guard cells
b)
xylem
c)
phloem
d)
vascular bundle
12.
After sugars are formed in photosynthesis, what structure do they travel through to reach the fruits of the plant?
a)
xylem
b)
cuticle
c)
phloem
d)
roots
13.
Which of the following is an example of a HETEROTROPH?
a)
Grass
b)
Algae
c)
Lemon Tree
d)
Bear
14.
The important gases, carbon dioxide and oxygen, enter and leave the leaf through the
a)
upper epidermis
b)
phloem
c)
stomata
d)
guard cells
15.
carries water and minerals from roots to other parts of the plant
a)
xylem
b)
phloem
c)
stoma
d)
guard cell
16.
Which product is "waste" and mostly released by the producer (plant)?
a)
oxygen
b)
carbon dioxide
c)
sugar
d)
glucose
17.
Which statement about photosynthesis is correct?
a)
Plants get the energy they need for photosynthesis from water.
b)
Plants get the energy they need for photosynthesis from soil.
c)
Plants get the energy they need for photosynthesis from sunlight.
d)
Plants get the energy they need for photosynthesis from carbon dioxide.
18.
What molecule absorbs sunlight for photosynthesis?
a)
chloroplast
b)
thylakoid
c)
grana
d)
chlorophyll
19.
What is the name of the simple sugar that is produced in photosynthesis?
a)
Sucrose
b)
Dextrose
c)
Glucose
d)
Lactose
20.
Which plant part absorbs water and nutrients?
a)
Leaf
b)
Stem
c)
Roots
d)
Flower
100 %
