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Photosynthesis
Test Description: 5th
Instructions: Answer all questions to get your test result.
1) Green plants are producers meaning they can make their own__________________.
A
veins
B
dirt
C
blood
D
food
2) Photo mean light. Synthesis mean _________________.
A
combine
B
water
C
glucose
D
food
3) Leaves contain a natural chemical called:
A
oxygen
B
carbon dioxide
C
autotroph
D
chlorophyll
4) Plants breathe carbon dioxide in and breathe out_______.
A
dirt
B
transpiration
C
oxygen
D
water
5) Plants take carbon dioxide from the air. One of the most common sources of this gas is:
A
human and animals breathing
B
cars and trucks operating
C
all of the above
D
volcanoes erupting
6) Chlorophyll is a natural chemical that turns leaves in many plants this color.
A
red
B
green
C
yellow
D
blue
7) It is possible to grow a 100-pound pumpkin in Alaska because:
A
The areas that have up to 24-hours of sunlight in the summer
B
Alaska receives above average rainfall
C
the cold air
D
The soil is rich
8) The process of photosynthesis is so important because
A
all of the above
B
It gives plants the green color
C
It enables plants to release the oxygen we need to breathe
D
It ensures plants grow healthy and strong
9) During Canadian winters plants and trees do not photosynthesize because of limited access to water and light.
A
Sometimes true
B
True
C
False
D
Always false
10) We need to ensure plants have access to light because they are essential to our survival. Plants help us:
A
All of the above
B
Have food to eat
C
Produce materials for clothing
D
Produce oxygen for breathing
*select an answer for all questions
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