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WorksheetsBIOLOGICAL: Energy photosynthesis
Total questions: 14
Worksheet time: 8mins
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.
What is the ultimate ORIGINAL source of energy for living things
a)
Sugar
b)
Sun
c)
Moon
d)
Carbon Dioxide
3.
What is the pigment in chloroplasts that performs photosynthesis?
a)
Chlorosynthesis
b)
Chlorophyll
c)
ADP
d)
Electron Transport
4.
Which gas is removed from the atmosphere during photosynthesis?
a)
hydrogen
b)
oxygen
c)
nitrogen
d)
carbon dioxide
5.
What are the products of photosynthesis?
a)
water and carbon dioxide
b)
oxygen and glucose
c)
oxygen and carbon dioxide
d)
oxygen and water
6.
Chloroplasts are...
a)
Structures of animal cells to produce ATP
b)
Organelles where lipids are elaborated
c)
Specialized structures of plants where food is made
d)
Waste organelle of plants
7.
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
8.
What is the source of energy for photosynthesis?
a)
carbohydrates-chemical
b)
sunlight-radiant
c)
heat-thermal
d)
television-electrical
9.
What are the reactants (what's needed) for photosynthesis?
a)
glucose and oxygen
b)
light, water, and carbon dioxide
10.
What is the energy conversion during photosynthesis?
a)
chemical --> chemical
b)
thermal --> electrical
c)
chemical --> electrical
d)
radiant --> chemical
11.
Plants need ________ to conduct photosynthesis
a)
Oxygen
b)
Soil
c)
Carbon dioxide
d)
Sugar
12.
What is the source of energy for photosynthesis?
a)
Carbohydrates (chemical energy)
b)
Light (radiant energy)
c)
Heat (thermal energy)
d)
Wind (kinetic energy)
13.
Which of these conditions would decrease the rate of photosynthesis in a plant?
a)
Above average precipitation
b)
Changing the daylight hours from 14 hrs to 10 hrs
c)
Changing the CO2 concentration from 380 ppm to 410 ppm
d)
All of these choices
14.
Which choice correctly shows the gases that enter and exit plants during photosynthesis?
a)
Enter: Oxygen
Exit: Carbon dioxide
Exit: Carbon dioxide
b)
Enter: Water vapor
Exit: Glucose
Exit: Glucose
c)
Enter: Carbon dioxide
Exit: Oxygen
Exit: Oxygen
d)
Enter: Light
Exit: Water vapor
Exit: Water vapor
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