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Photosynthesis

Total questions: 54

Worksheet time: 1hrs 22mins

Name
Class
Date
1.

Which organelle is responsible making food (Glucose) using sunlight?

a)

Ribosomes

b)

Nucleus

c)

Chloroplast

d)

Mitochondria

2.
Where do the light-dependent reactions occur? 
a)
thylakoid membrane
b)
stroma
c)
mesophyll
d)
mitochondria
3.
Where does the Calvin Cycle occur?
a)
thylakoid
b)
stroma
c)
lumen
d)
mitochondria
4.
What are the reactants (what's needed) for photosynthesis?
a)
glucose and oxygen
b)
light, water, and carbon dioxide
5.
What gas is released by plants during photosynthesis?
a)
sulfur
b)
carbon dioxide
c)
oxygen
d)
hydrogen
6.
Which of the following is the correct equation for PHOTOSYNTHESIS?
a)
carbon dioxide + water --> oxygen + glucose
b)
carbon dioxide + glucose + water --> oxygen 
c)
oxygen + water --> carbon dioxide + glucose
d)
glucose+ oxygen ---> water + carbon dioxide 
7.
What pigment absorbs sunlight for photosynthesis?
a)
chloroplast
b)
thylakoid
c)
grana
d)
chlorophyll
8.
What is another name for glucose?
a)
Chlorophyll
b)
Chloroplasts
c)
Stomata
d)
Sugar
9.
The fluid like substance found inside the chloroplast is called
a)
Cytoplasm
b)
Stroma
c)
Thykloids
d)
Cell Wall
10.
Which organelle does photosynthesis take place in?
a)
Mitochondrion
b)
Chlorplast
c)
Cytoplasm
d)
Nucleus
11.
This image shows the process of _____.
a)
Respiration
b)
Photosystem I
c)
Dark Reactions
d)
Photosynthesis
12.
What are the products of photosynthesis?
a)
water and carbon dioxide
b)
oxygen and glucose
c)
oxygen and carbon dioxide
d)
oxygen and water
13.
__________ is a stack of thylakoids
a)
Granum
b)
Stomata
c)
Stroma
d)
Chloroplast
14.

Look at the diagram. Which gas would most likely be found in the greatest amount in the bubbles?
a)
oxygen
b)
nitrogen
c)
ozone
d)
carbon dioxide
15.
What is the source of energy for photosynthesis?
a)
carbohydrates-chemical
b)
sunlight-radiant
c)
heat-thermal
d)
television-electrical
16.
a)
Stroma
b)
Thylakoid
c)
Skittle
d)
Grana
17.
a)
Flapjack Stack
b)
Grana
c)
Thylakoid
d)
Stroma
18.
a)
Grana
b)
Thylakoid
c)
Stroma
d)
Jelly Filling
19.
a)
Inner Membrane
b)
Outer Membrane
c)
Thylakoid Membrane
d)
Frog Skins
20.
The main source of energy for all life comes from ____.
a)
the Earth
b)
the moon
c)
the sun
d)
the food we eat/make
21.
Chlorophyll absorbs a higher percentage of _____ and _______ light.
a)
green and purple
b)
red and blue
c)
black and orange
d)
yellow and green
22.
Most plants appear green because chlorophyll
a)
absorbs green light.
b)
absorbs violet light.
c)
reflects green light.
d)
does not absorb violet light.
23.
A student is collecting the gas given off from a plant in bright sunlight at a temperature of 27°C. The gas being collected is probably ________.
a)
oxygen
b)
carbon dioxide
c)
ATP
d)
glucose
24.
the breaking of a large molecule (polymer) into smaller ones (monomers)
a)
Triglycerides
b)
Disaccharides
c)
Condensation
d)
Hydrolysis
25.
What does carbon combine with to form glucose? 
a)
NADPH
b)
ATP
c)
RuBP
d)
G3P
26.
How many G3P molecules make one molecule of glucose? 
a)
1
b)
2
c)
3
d)
4
27.
Where do the dark reactions take place? 
a)
thylakoid membrane
b)
lumen
c)
stroma
28.
What does NADPH do? 
a)
carries electrons to the Calvin cycle
b)
carries electrons to the ETC
29.
What happens to NADPH and ATP after they are used in the Calvin Cycle?
a)
they recycle back to the light reactions
b)
they are used to make G3P
30.
What happens to NADPH and ATP after they are used in the Calvin Cycle?
a)
they recycle back to the light reactions
b)
they are used to make G3P
31.
What happens to the remaining G3P molecules in the last step of the dark reactions?
a)
They are used to make glucose.
b)
They are reshuffled to make CO2 by adding ATP.
c)
They exit the cycle.
d)
They are reshuffled to make RuBP by adding ATP. 
32.
What happens to the remaining G3P molecules in the last step of the dark reactions?
a)
They are used to make glucose.
b)
They are reshuffled to make CO2 by adding ATP.
c)
They exit the cycle.
d)
They are reshuffled to make RuBP by adding ATP. 
33.
In green plants, the primary function of the Calvin cycle is to
a)
Use ATP to release carbon
b)
Split water to release oxygen.
c)
Construct simple sugars from carbon dioxide.
d)
Use NADPH to release carbon
34.
Which of the following is NOT a reactant of the dark reactions?
a)
NADPH
b)
ATP
c)
Oxygen
d)
Carbon dioxide
35.
Which of the following is NOT a product of the dark reactions? 
a)
NADP+
b)
NADPH
c)
ATP
d)
G3P (to form glucose)
36.
What is made during the light independent reactions?
a)
ATP
b)
NADPH
c)
sugar
d)
fat
37.
TRUE or FALSE.  The Calvin Cycle can happen during the day.
a)
True
b)
false
38.
True or False.   The Calvin Cycle can happen at night.
a)
true
b)
false
39.
Which of the following is NOT a reactant of the Calvin Cycle?
a)
NADPH
b)
ATP
c)
Oxygen
d)
Carbon dioxide
40.
What is the name of the simple sugar that is produced in photosynthesis?
a)
Sucrose
b)
Dextrose
c)
Glucose
d)
Lactose
41.
To bring in nonliving carbon (CO2) and use it to make organic compounds is a process called _______________.
a)
carbon fixiation
b)
cellular respiration
c)
catabolic reactions
d)
mitosis
42.
What is the product of the Calvin Cycle?
a)
Rubisco
b)
Glyceraldehyde 3-Phosphate (G3P)
c)
Oxygen
d)
Starch
43.
Cacti and pineapples are examples of plants that carry out the _____ pathway in photosynthesis.
a)
CAM
b)
C4
c)
C3
44.
Corn and sugarcane are examples of plants that carry out the _____ pathway in photosynthesis.
a)
CAM
b)
C4
c)
C3
45.
Which enzyme joins CO2 and RuBP?
a)
NADP+ reductase
b)
rubisco
c)
ATP synthase
46.
Where do NADP+ and ADP produced in the Calvin cycle go? 
a)
Back to the light reactions
b)
out of the chloroplast
47.
Where do the light reactions happen?
a)
mitochondria membrane
b)
thylakoid membrane
c)
stroma
d)
central vacuole
48.
What is the main purpose of the light dependent reactions?
a)
To provide the energy for the calvin cycle
b)
To capture energy and make sugar
c)
To reflect green light
d)
To make sugars
49.
What are the two products of the light reactions that are needed for the calvin cycle?
a)
NAD and NADPH
b)
NADP + and Glucose
c)
NADPH and ATP
d)
Oxygen and NADPH
50.
The gel-like material that surrounds the grana is called ____
a)
lamellae
b)
granum
c)
thylakoid
d)
stroma
51.
What supplies the electron that is lost in PS II?
a)
oxygen
b)
water
c)
glucose
d)
rubisco
52.
ATP gets formed in the light dependent reaction by which process?
a)
Chemiosmosis
b)
Photosmosis
c)
Diffusion
d)
Active Transport
53.
Leaves look green because.....
a)
they eat their vegetables
b)
to blend into their environment
c)
they contain a molecule named chlorophyll
d)
they are sick
54.

Which of the following equations represents the overall chemical reaction for photosynthesis?

a)

6O2+ 6H2O → C6H12O6+ 6O2

b)

C6H12O6 + 6H2O→ 6O2+ 6O2

c)

6CO2+ 6H2O→ C6H12O6+ 6O2

d)

6O2 + 6H2O→ C6H12O6 + 6CO2