Photosynthesis: Question Preview (ID: 7436)

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Green plants are producers meaning they can make their own__________________.
a) dirt b) blood c) veins d) food
Photo mean light. Synthesis mean _________________.
a) combine b) glucose c) water d) food
Leaves contain a natural chemical called:
a) oxygen b) carbon dioxide c) chlorophyll d) autotroph
Plants breathe carbon dioxide in and breathe out_______.
a) dirt b) oxygen c) water d) transpiration
Plants take carbon dioxide from the air. One of the most common sources of this gas is:
a) cars and trucks operating b) all of the above c) human and animals breathing d) volcanoes erupting
Chlorophyll is a natural chemical that turns leaves in many plants this color.
a) red b) blue c) yellow d) green
It is possible to grow a 100-pound pumpkin in Alaska because:
a) The soil is rich b) the cold air c) The areas that have up to 24-hours of sunlight in the summer d) Alaska receives above average rainfall
The process of photosynthesis is so important because
a) It ensures plants grow healthy and strong b) It gives plants the green color c) It enables plants to release the oxygen we need to breathe d) all of the above
During Canadian winters plants and trees do not photosynthesize because of limited access to water and light.
a) True b) Always false c) Sometimes true d) False
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) Produce oxygen for breathing d) All of the above
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