Worksheetsphotosynthesis
Total questions: 19
Worksheet time: 1hrs 10mins
Name
Class
Date
1.
What is photosynthesis?
a)
The process in which humans eat their food
b)
When a photographer takes a photo.
c)
To get your pictures from the photo lab.
d)
The process in which plants make their food.
2.
Which organisms perform Photosynthesis?
a)
Only Autotrophs
b)
Only Heterotrophs
c)
Autotrophs and Heterotrophs
3.
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
4.
Which organelle performs PHOTOSYNTHESIS?
a)
Chloroplast
b)
Mitochondria
5.
What is the pigment in chloroplasts that performs photosynthesis?
a)
Chlorosynthesis
b)
Chlorophyll
c)
ADP
d)
Electron Transport
6.
What is the ultimate ORIGINAL source of energy for living things
a)
Sugar
b)
Sun
c)
Moon
d)
Carbon Dioxide
7.
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
8.
What are the reactants of photosynthesis?
a)
carbon dioxide and oxygen
b)
water and oxygen
c)
carbon dioxide and water
d)
water and glucose
9.
What are the products of photosynthesis?
a)
water and carbon dioxide
b)
oxygen and glucose
c)
oxygen and carbon dioxide
d)
oxygen and water
10.
How does most of the water needed by the plant get into its leaves?
a)
It enters through the stomata
b)
The roots absorb it and then it travels up the stem
c)
It's made during a chemical reaction in the leaf
d)
The flowers capture water and deliver it to the leaves
11.
How does carbon dioxide get into the leaves of a plant?
a)
It's absorbed by the roots
b)
It's made in a chemical reaction in the stem
c)
It enters through the stomata
d)
It goes through the flowers
12.
The stacks of disks in the chloroplast are called:
a)
Lamellae
b)
Grana
c)
Stroma
d)
Thylakoid
13.
The interior space of the chloroplast is called:
a)
Lamellae
b)
Grana
c)
Stroma
d)
Thylakoids
14.
What is the main purpose of the light reactions?
a)
To provide the energy and electrons for the calvin cycle
b)
To capture energy and make sugar
c)
To reflect green light
d)
To make sugars
15.
What is the function of NADPH and ATP?
a)
They absorb light
b)
They power the light-dependent reactions
c)
They are light-reflecting pigments
d)
They are short term energy carriers
16.
Where do the dark reactions (Calvin cycle) take place?
a)
thylakoid membrane
b)
lumen
c)
stroma
17.
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
18.
After photosynthesis, plants store their energy as _________ .
a)
chlorophyll
b)
pigment
c)
glucose (sugar)
d)
Oxygen
19.
Which part of a flower is known to attract pollinators?
a)
Stem
b)
Leaf
c)
Pollen
d)
Colorful Petals
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