WorksheetsPhotosynthesis: The Light Reactions
Total questions: 16
Worksheet time: 17mins
Name
Class
Date
1.
Which of the following is NOT a product of the light reactions?
a)
Oxygen
b)
NADPH
c)
ATP
d)
Glucose (Sugar)
2.
Where do the light reactions happen?
a)
mitochondria membrane
b)
thylakoid membrane
c)
stroma
d)
central vacuole
3.
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
4.
What part of the plant cell performs photosynthesis?
a)
The Mitochondrion
b)
The Nucleus
c)
The Chloroplast
d)
The Cell Wall
5.
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
6.
What gas does the process of photosynthesis release into the atmosphere?
a)
oxygen
b)
carbon dioxide
c)
water
d)
nitrogen
7.
Thylakoids are arranged in stacks called ____.
a)
Lamellae
b)
Stroma
c)
Granum
d)
Glucose
8.
Autotrophs (producers) can perform photosynthesis because they have -
a)
Mitochondria
b)
Ribosomes
c)
A Nucleus
d)
Chloroplasts
9.
The principal chemical compound that living things use to store energy is
a)
DNA
b)
ATP
c)
H2O
d)
CO2
10.
What supplies the electron that is lost in Photosystem II?
a)
oxygen
b)
water
c)
glucose
d)
rubisco
11.
In the ________________________, energy from the sun is used to make ATP and NADPH.
a)
light-independent reaction
b)
dark reaction
c)
light-dependent reaction
d)
Calvin cycle
12.
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
13.
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
14.
What is the ultimate ORIGINAL source of energy for living things
a)
Sugar
b)
Sun
c)
Moon
d)
Carbon Dioxide
15.
What are the products of photosynthesis?
a)
water and carbon dioxide
b)
oxygen and glucose
c)
oxygen and carbon dioxide
d)
oxygen and water
16.
What do plants need for the photosynthesis process?
a)
a camera and tripod
b)
light, carbon dioxide, and water
c)
roots, flowers, and bees
d)
soil, air, and oxygen
100 %
