Download The World of Plants: Photosynthesis

Quiz
The World of Plants: Photosynthesis
1. What do scientists call the process by which plants convert energy into food?
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A) absorption
B) transpiration
C) photosynthesis
D) chemical synthesis
2. Which of the following does a plant need to make glucose?
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A) only water and sunlight
B) only oxygen and sunlight
C) only carbon dioxide and sunlight
D) water, carbon dioxide, and sunlight
3. What do scientists call the holes in leaves that let gases, such as carbon dioxide, in
and out of the plant?
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A) the stoma
B) the grana
C) the gas hole
D) the chloroplast
4. How do plants such as the cacti and the palo verde tree survive in the desert?
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A) They make glucose in their stems and branches.
B) They don t make glucose
C) it requires too much water.
D) They only make glucose at night when the temperatures are cooler.
E) They have deep roots that tap into underground rivers to obtain water.
5. Which of the following is part of the chemical process involved in making glucose
from sunlight?
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A) Oxygen is split into two oxygen atoms.
B) Carbon dioxide is spit into carbon and oxygen.
C) Water and oxygen join together to make glucose.
D) Water is used to split starch into two glucose molecules.
6. Which form of storage can a plant utilize, other than the form of glucose?
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A) fiber
B) starch
C) carbon atoms
D) starch or carbon atoms
7. Which of the following is a by-product of the chemical reactions involved in making
glucose, as well as necessary for animal life?
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A) only oxygen
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B) only fossil fuels
C) only hydrogen gas
D) both oxygen and fossil fuels