WorksheetsCh 09 - Photosynthesis
Total questions: 12
Worksheet time: 6mins
Name
Class
Date
1.
Examine the image. What was the experimental question being asked?
a)
Do plants produce carbon dioxide?
b)
Do animals produce oxygen?
c)
Do plants produce a substance that animals need to live?
d)
Do plants and animals need oxygen?
2.
Van Helmont's experiment showed that plants:
a)
did not get their mass from the air
b)
did not get their mass from the soil
c)
did not grow without sunlight
d)
got their mass from the soil
3.
The raw materials needed for plants to carry out photosynthesis are:
a)
carbon dioxide and oxygen
b)
oxygen and water
c)
carbon dioxide and water
d)
water and sunligh
4.
Organisms that convert sunlight into usable energy sources are called:
a)
autotrophs
b)
heterotrophs
c)
consumers
d)
detrivores
5.
An aquatic plant is placed under a light and a student counts the number of bubbles being released from its stem. What are the bubbles?
a)
oxygen
b)
carbon dioxide
c)
chlorophyll
d)
glucose
6.
What factors can increase the rate of photosynthesis in plants?
a)
light intensity
b)
distance of light
c)
color of light
d)
all of these
7.
What product is made from photosynthesis that is used by the plant for growth?
a)
glucose
b)
oxygen
c)
water
d)
carbon dioxide
8.
Which of the following is likely to have the LEAST effect on the rate of photosynthesis?
a)
intensity of light
b)
amount of oxygen
c)
amount of carbon dioxide
d)
amount of water
9.
Where does the light dependent reaction take place?
a)
thylakoids
b)
stroma
c)
mitochondria
d)
cytoplasm
10.
What part of the plant would be considered the photosynthetic organ?
a)
root
b)
flower
c)
stem
d)
leaf
11.
Which of the following is a requirement for the Calvin cycle?
a)
light
b)
carbon dioxide
c)
water
d)
glucose
12.
What are carbohydrates made of?
a)
chains of glucose
b)
phospholipids
c)
water and oxygen
d)
fatty acids
100 %
