Worksheetsphtosynthesis
Total questions: 20
Worksheet time: 11mins
Name
Class
Date
1.
Photosynthesis occurs in
a)
Chloroplast
b)
Golgi body
c)
Endoplasmic reticulum
d)
Nucleus
2.
The optimum temperature for photosynthesis is
a)
25-35℃
b)
10-15℃
c)
35-40℃
d)
20-25℃
3.
Where does the light reaction takes place?
a)
Grana
b)
Stroma
c)
Cytoplasm
d)
Endoplasmic reticulum
4.
the products of photosynthesis are...
a)
glucose and sunlight
b)
carbon dioxide and water
c)
glucose and chlorophyll
d)
oxygen and glucose
5.
Glucose is a ...
a)
sugar
b)
carbohydrate
c)
source of quick energy
d)
all are correct
6.
The vascular tissue of the plant that transports water is the...
a)
roots
b)
phloem
c)
xylem
d)
stem
7.
The formula for glucose is...
a)
C12 H22 O11
b)
NaCl
c)
NaOH
d)
C6 H12 O6
8.
Chlorophyll absorbs ________ light.
a)
red - blue
b)
yellow
c)
green
d)
light greens
9.
This is ...
a)
mitochondria
b)
chloroplast
c)
cell
d)
phloem
10.
What opens and close the stomata?
a)
guard cells
b)
xylem
c)
phloem
d)
cuticle
11.
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
12.
Which organelle from the plant cell is primarily responsible for converting sunlight to energy?
a)
Mitochonria
b)
Nucleus
c)
Vacuole
d)
Chloroplast
13.
Most plants appear green because chlorophyll
a)
absorbs green light.
b)
absorbs violet light.
c)
reflects green light.
d)
does not absorb violet light.
14.
What do the light reactions produce?
a)
ATP, NADPH, O2
b)
H2O, O2, Glucose
c)
NADP+, ADP + P, O2
d)
NADPH, H2O, ATP
15.
Which of the following environmental conditions would cause the stomata to close?
a)
Low CO2 level
b)
Rain
c)
K+ moving into the guard cells
d)
darkness
16.
Where do the light reactions take place inside a chloroplast?
a)
stroma
b)
lamellae
c)
chloroplast membrane
d)
thylakoid membrane
17.
What is produced in the stroma?
a)
ATP
b)
glucose/G3P
c)
O2
d)
CO2
18.
Which of these conditions would decrease the rate of photosynthesis in a plant?
a)
Above average precipitation
b)
Changing the daylight hours from 14 hrs to 10 hrs
c)
Changing the CO2 concentration from 380 ppm to 410 ppm
d)
All of these choices
19.
Which of the following is the correct equation for PHOTOSYNTHESIS?
a)
light + carbon dioxide + water --> glucose + oxygen
b)
carbon dioxide + sugar + water --> oxygen + light
c)
oxygen + light + water --> carbon dioxide + sugar
d)
carbon dioxide + oxygen + water --> Light+ Sugar
20.
Which of the following is an example of an AUTOTROPH?
a)
Appletree
b)
Dog
c)
Mushroom
d)
Human
100 %
