NEW
Font size
S
M
L
XL
WorksheetsPhotosynthesis
Total questions: 17
Worksheet time: 9mins
Name
Class
Date
1.
During photosynthesis in plants, what is the source of the carbon in the sugar molecule (C6H12O6)?
a)
Carbon dioxide in the air
b)
The radiation from the Sun
c)
Carbon particles in the soil
d)
Carbon particle in water
2.
Tulips are flowers that typically bloom in the spring. How could tulips be forced out of dormancy so they bloom in the winter?
a)
by limiting pruning and trimming of the tulips
b)
by reducing water levels and nutrient uptake by the tulips
c)
by elevating oxygen levels and supplying organic matter to the
d)
by increasing temperature and lengthening daylight for the tulips
3.
When a plant wilts (shrivels), the stomata closes. How does this help the plant?
a)
It increases photosynthesis
b)
It reduces further water loss during transpiration.
c)
It increases cellular respiration
d)
It reduces water intake by roots respiration
4.
Which two things are produced during cellular respiration?
a)
carbon dioxide and water
b)
carbon dioxide and food
c)
oxygen and carbon dioxide
d)
oxygen and food
5.
) In which direction do the roots of plants grow?
a)
in the direction of moisture only
b)
in the direction of water and the pull of gravity
c)
in the direction of the pull of gravity only
d)
in the direction of water and away from
the pull of gravity
the pull of gravity
6.
How are plant cells different from animal cells?
a)
Only plant cells can grow
b)
Only animal cells can store energy.
c)
Only animal cells can reproduce.
d)
Only plant cells can perform photosynthesis.
7.
In which part of a tree does photosynthesis most likely take place?
a)
bark
b)
roots
c)
trunk
d)
leaves
8.
The food the green plant makes is called ____
a)
carbon dioxide
b)
water
c)
oxygen
d)
glucose
9.
The three ingredients needed for photosynthesis to occur are _____, ______ and _____.
a)
phloem, xylem and water
b)
light energy, glucose, and phloem
c)
stomata, chloroplasts and transpiration
d)
water, light energy and carbon dioxide
10.
Excess _____ and ______ atoms are released back into the atmosphere through the stomata
a)
carbon dioxide and water
b)
water and oxygen
c)
oxygen and hydrogen
d)
glucose and carbon dioxide glucose and carbon dioxide
11.
Which statement best describes the roles of photosynthesis and respiration in the carbon cycle?
a)
Respiration and photosynthesis both add carbon to the atmosphere.
b)
Respiration and photosynthesis both remove carbon from the atmosphere
c)
Respiration adds carbon to the atmosphere, while photosynthesis removes carbon from the
atmosphere.
atmosphere.
d)
Photosynthesis adds carbon to the atmosphere, while respiration removes carbon from the
atmosphere.
atmosphere.
12.
Water in the roots travels through ____ to reach the leaves
a)
chloroplasts
b)
phloem
c)
root hairs
d)
xylem
13.
The glucose is transported to all parts of the plant by _____.
a)
xylem
b)
root hairs
c)
stomata
d)
phloem
14.
Green plants absorb water from the soil through _____.
a)
xylem
b)
phloem
c)
root hairs
d)
chloroplasts
15.
_____ is the process where green plants use light energy from the sun to make food.
a)
photosynthesis
b)
respiration
c)
transpiration
d)
glucose
16.
______ is a colorless, odorless gas exhaled by animals
a)
chlorophyll
b)
water molecules
c)
carbon dioxide
d)
phloem
17.
The process where extra water is released from the plant back into the atmosphere is called ___
a)
photosynthesis
b)
exhaling
c)
glucose
d)
transpiration
Reset
