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