WorksheetsThe Light IND Reactions practice
Total questions: 26
Worksheet time: 31mins
Name
Class
Date
1.
What does carbon combine with to form glucose?
a)
NADPH
b)
ATP
c)
RuBP
d)
G3P
2.
How many G3P molecules make one molecule of glucose?
a)
1
b)
2
c)
3
d)
4
3.
Where do the dark reactions take place?
a)
thylakoid membrane
b)
lumen
c)
stroma
4.
What does NADPH do?
a)
carries electrons to the Calvin cycle
b)
carries electrons to the ETC
5.
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
6.
The two main stages of photosynthesis are the
a)
light reactions and respiration
b)
dark reactions and the Calvin cycle
c)
light reactions and the Calvin cycle
d)
dark reactions and fermentation
7.
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.
8.
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
9.
Which of the following is NOT a reactant of the dark reactions?
a)
NADPH
b)
ATP
c)
Oxygen
d)
Carbon dioxide
10.
Which of the following is NOT a product of the dark reactions?
a)
NADP+
b)
NADPH
c)
ATP
d)
G3P (to form glucose)
11.
What is made during the light independent reactions?
a)
ATP
b)
NADPH
c)
sugar
d)
fat
12.
TRUE or FALSE. The Calvin Cycle can happen during the day.
a)
True
b)
false
13.
True or False. The Calvin Cycle can happen at night.
a)
true
b)
false
14.
Which of the following is NOT a reactant of the Calvin Cycle?
a)
NADPH
b)
ATP
c)
Oxygen
d)
Carbon dioxide
15.
What is the name of the simple sugar that is produced in photosynthesis?
a)
Sucrose
b)
Dextrose
c)
Glucose
d)
Lactose
16.
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
17.
Which enzyme joins CO2 and RuBP?
a)
NADP+ reductase
b)
rubisco
c)
ATP synthase
18.
Where do NADP+ and ADP produced in the Calvin cycle go?
a)
Back to the light reactions
b)
out of the chloroplast
19.
Which organelle performs PHOTOSYNTHESIS?
a)
Chloroplast
b)
Mitochondria
20.
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
21.
Which gas is removed from the atmosphere during photosynthesis?
a)
hydrogen
b)
oxygen
c)
nitrogen
d)
carbon dioxide
22.
What are the products of photosynthesis?
a)
water and carbon dioxide
b)
oxygen and glucose
c)
oxygen and carbon dioxide
d)
oxygen and water
23.
Plants need ________ for photosynthesis
a)
oxygen
b)
soil
c)
carbon dioxide
d)
sugar
24.
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
25.
Where do the dark reactions (Calvin cycle) take place?
a)
thylakoid membrane
b)
lumen
c)
stroma
26.
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
100 %
