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WorksheetsEcology: Photosynthesis and Food Chains
Total questions: 19
Worksheet time: 24mins
Name
Class
Date
1.
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
2.
Which organisms perform Photosynthesis?
a)
Only Autotrophs
b)
Only Heterotrophs
c)
Autotrophs and Heterotrophs
3.
What is the ultimate ORIGINAL source of energy for living things
a)
Sugar
b)
Sun
c)
Moon
d)
Carbon Dioxide
4.
Which of the following is an example of an AUTOTROPH?
a)
Appletree
b)
Dog
c)
Mushroom
d)
Human
5.
Which of the following is an example of a HETEROTROPH?
a)
Grass
b)
Algae
c)
Lemon Tree
d)
Bear
6.
Which gas is removed from the atmosphere during photosynthesis?
a)
hydrogen
b)
oxygen
c)
nitrogen
d)
carbon dioxide
7.
What are the products of photosynthesis?
a)
water and carbon dioxide
b)
oxygen and glucose
c)
oxygen and carbon dioxide
d)
oxygen and water
8.
Plants need ________ for photosynthesis
a)
oxygen
b)
soil
c)
carbon dioxide
d)
sugar
9.
What is the pigment in chloroplasts that performs photosynthesis?
a)
Chlorosynthesis
b)
Chlorophyll
c)
ADP
d)
Electron Transport
10.
If all four plants were watered daily but placed in a closet, receiving no sunlight, what process would NOT occur?
a)
Ingestion of carbon dioxide
b)
Filtration of water through the soil
c)
Photosynthesis
d)
Water absorbtion
11.
Look at the image
What substances and organelle work together to absorb sunlight to perform photosynthesis in this example?
What substances and organelle work together to absorb sunlight to perform photosynthesis in this example?
a)
cell wall and chloroplast
b)
mitochondria and water
c)
vacuole and carbon dioxide
d)
chloroplast and chlorophyll
12.
How are photosynthesis and cellular respiration related?
a)
What's produced (made) by one is needed (the reactants) for the other
b)
They both produce the same products
c)
They both have the same reactants (need the same things)
d)
These 2 processes have nothing in common
13.
What is the correct equation for cellular respiration?
a)
6O2 + C6H12O6 -> 6CO2 + 6H2O + Energy
b)
6O2 + C6H12O6 + Energy -> 6CO2 + 6H2O
c)
6CO2 + 6H2O -> 6O2 + C6H12O6 + Energy
d)
6CO2 + 6H2O + Energy -> 6O2 + C6H12O6
14.
Cellular Respiration's goal is to
a)
make water
b)
make ATP
c)
make glucose
d)
make oxygen
15.
Which is a reactant of cellular respiration?
a)
energy
b)
glucose
c)
carbon dioxide
d)
water
16.
Where does cellular respiration take place in the cell?
a)
Cell Membrane
b)
Nucleus
c)
Mitochondria
d)
Vacuole
17.
Why are there less air bubbles as the plant is place further away from the light source
a)
because cellular respiration decreases when there is less light
b)
because the light independent reaction decreases when there is less light
c)
because photosynthesis decreases as a plant is moved further away from a light source
d)
the wavelength increases as a plant is placed further away from a light source
18.
A diagram representing the relationship between photosynthesis and cellular respiration is shown.
The numbered boxes in the diagram represent which of the following?
The numbered boxes in the diagram represent which of the following?
a)
1 - water; 2 - nitrogen
b)
1 - nitrogen; 2 - oxygen
c)
1 - oxygen; 2 - carbon dioxide
d)
1 - carbon dioxide; 2 – water
19.
In the equation for cellular respiration, is energy a reactant or a product?
a)
reactant
b)
product
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