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WorksheetsS7L4 & S7L2 practice review
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
The energy required for photosynthesis is provided by
a)
proteins
b)
sunlight
c)
chlorophyll
d)
carbohydrates
2.
Some bacteria live in habitats without light. They produce their own food using inorganic substances from the environment. Which of these terms best describes this process?
a)
photosynthesis
b)
cellular respiration
c)
binary fisson
d)
chemosynthesis
3.
Black skimmers are water birds that live along coastal beaches, bays, estuaries, and marshes. Which of these best describes the effects of human disturbances on the the black skimmer;s eggs?
a)
a biotic factor
b)
a niche
c)
an allele
d)
an abiotic factor
4.
Elodea, a freshwater plant releases gas bubbles when it is placed in direct sunlight. The bubbles released by the Elodea contain mostly
a)
oxygen
b)
carbon dioxide
c)
nitrogen
d)
water vapor
5.
What part of the cell forms a barrier between the cell and its environment?
a)
cell membrane
b)
nucleus
c)
ribosomes
d)
choloesterol
6.
What part of the cell acts as the cell's delivery system?
a)
nucleus
b)
nucleolus
c)
Endoplasmic recticulum
d)
mitochondrion
7.
Where does photosynthesis take place?
a)
in the nucleus
b)
in the mitochondria
c)
in the ribosomes
d)
in the chloroplasts
8.
The material that controls all cell activities is called
a)
H2O
b)
DNA
c)
cytokinesis
d)
mitochondria
9.
The function of a part of an organism is related to
a)
the shape of its parts
b)
the structure of that part
10.
Photosynthesis allows
a)
an animal cell to get energy from food
b)
a cell to produce energy without oxygen
c)
a plant leaf to produce food
d)
a plant leaf to turn green
11.
What is the smallest unit that can perform all the processes necessary for life?
a)
nucleus
b)
cell
c)
organelle
d)
protist
12.
Cellular respiration allows an organism to get energy from
a)
sunlight
b)
food
c)
water
d)
oxygen
13.
What is cytoplasm?
a)
the fluid inside a cell
b)
the nucleus of a cell
c)
the proteins in a cell
d)
the genetic material in a cell
14.
Most of a cell's ATP is made and stored in the inner membrane of the
a)
E.R.
b)
nucleus
c)
Golgi complex
d)
mitochondrion
15.
What cell part supports the cell and might be made of cellulose?
a)
cell membrane
b)
cell wall
c)
ribosome
d)
nucleus
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