Q.1
Leaves use the energy from the sun to change carbon dioxide and water into what?
  • chlorophyll
  • oxygen
  • carbon dioxide
  • sugar
Q.2
What can change shape to open and close the stoma?
  • guard cells
  • xylem
  • phloem
  • vascular bundle
Q.3
Which of the following is an example of a HETEROTROPH?
  • Grass
  • Algae
  • Lemon Tree
  • Bear
Q.4
What is the name of the simple sugar that is produced in photosynthesis?
  • Sucrose
  • Dextrose
  • Glucose
  • Lactose
Q.5
What does a plant release into the air?
  • Plants release carbon dioxide into the air.
  • Plants release sugar into the air.
  • Plants release oxygen into the air.
  • Plants release bacon into the air.
Q.6
What leaf structure prevents water loss?
  • spongy mesophyll
  • cuticle
  • stoma
  • phloem
Q.7
TRUE or FALSE: Animals can make their own food inside themselves.
  • True
  • False
Q.8
TRUE or FALSE: Plants make their own food and use the energy from the food that is made.
  • True
  • False
Q.9
What two things are the product (end result) of photosynthesis?
  • Oxygen
  • Glucose
  • Chloroplasts
  • Both A & B
Q.10
Is Glucose (C6H12Oa Raw Material (Ingredient) or Product of Photosynthesis?
  • Product
  • Raw Material
  • Neither
  • None of these
Q.11
Select all that are products of Photosynthesis.
  • Glucose (Sugar/food)
  • Oxygen
  • Sunlight (Light Energy)
  • Both A & B
Q.12
The plant tissue that carries sugar (food) DOWNWARD from the leaves to the rest of the pant is the ______.
  • Phloem
  • Stomata
  • Chlorophyll
  • Xylem
Q.13
_____________ carries water up throughout plants.
  • stomata
  • xylem
  • phloem
  • chloroplast
Q.14
The openings on the bottom of leaves, which allow in CO2 (carbon dioxide) and releases O2 (oxygen) is the
  • stomata
  • xylem
  • Phloem
  • Mesophyll
Q.15
During photosynthesis, what form does the food take?
  • The food takes the form of sugar.
  • The food takes the form of carbon dioxide.
  • The food takes the form of soil.
  • The food takes the form of a ham sandwich.
Q.16
Leaves look green because.....
  • they eat their vegetables
  • to blend into their environment
  • they contain a molecule named chlorophyll
  • they are sick
Q.17
Where do the dark reactions (Calvin cycle) take place?
  • thylakoid membrane
  • lumen
  • stroma
  • All of above
Q.18
Plants need ________ for photosynthesis
  • oxygen
  • soil
  • carbon dioxide
  • sugar
Q.19
The important gases, carbon dioxide and oxygen, enter and leave the leaf through the
  • upper epidermis
  • phloem
  • stomata
  • guard cells
Q.20
After sugars are formed in photosynthesis, what structure do they travel through to reach the fruits of the plant?
  • xylem
  • cuticle
  • phloem
  • roots
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