WorksheetsCarbon dioxide-oxygen cycle
Total questions: 9
Worksheet time: 4mins
Name
Class
Date
1.
Which answer best defines organisms?
a)
a gas in the atmosphere that plants use during the process of photosynthesis
b)
living things
c)
tiny holes in the leaves of a plant that allow gases to enter or leave a plant
d)
plant parts that hold a plant in place and take in water and nutrients
2.
Which answer best defines chlorophyll?
a)
the green substance in plant leaves that captures energy from the sun
b)
living things
c)
a gas in the atmosphere that plants use during the process of photosynthesis
d)
the process in which plants use energy from
3.
Which answer best defines carbon dioxide?
a)
A gas in the atmosphere that animals breathe to survive
b)
a green substance in plant leaves that captures energy fro the sun
c)
The process in which plants use energy fro the sun to make their own food
d)
a gas in the atmosphere that plants use during the process of photosynthesis
4.
Stomata is best defined as
a)
tiny holes in the leaves of a plant that allow gases to enter or leave the plant
b)
a gas in the atmosphere that plants use during the process of photosynthesis
c)
Plant parts that hold a plant in place and takes in water and nutrients
d)
living things
5.
Which answer best defines photosynthesis?
a)
the movement of carbon dioxide and oxygen between organisms and the air
b)
Tiny holes in the leaves of a plant that allow gases to enter or leave the plant
c)
the process in which plants use energy from the sun to make their own food
d)
a gas in the atmosphere that plants use to make food
6.
The carbon dioxide-oxygen cycle is best defined as-
a)
the process in which plants use energy from the sun to make their own food
b)
a green substance in plant leaves that captures energy from the sun
c)
living things
d)
the movement of carbon dioxide and oxygen between organisms and the air
7.
Which answer best defines roots?
a)
a plant part that holds leaves up and moves water and nutrients throughout the plant
b)
plant part that hold a plant in place and take in water and nutrients
c)
a plant part that carries out photosynthesis to make food for the plant
d)
tiny holes in the leaves of a plant that allow gases to enter or leave the plant
8.
Which answer best defines stem?
a)
a plant part that holds leaves up and moves water and nutrients through the plant
b)
plant parts that hold a plant in place and take in water and nutrients
c)
a plant part that carries out photosynthesis to make food for the plant
d)
tiny holes in the leaves of a plant that allow gases to enter or leave the plant
9.
Leaf is best defined as-
a)
a plant part that holds leaves up and moves water and nutrients throughout the plant
b)
plant parts that hold a plant in place and take in water and nutrients
c)
a plant part that carries out photosynthesis to make food for the plant
d)
tiny holes in the leaves of a plant that allow gases to enter or leave the plant
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