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WorksheetsReview S7L2a,b and S7L4
Total questions: 66
Worksheet time: 43mins
Name
Class
Date
1.
Which characteristics do most plants have in common?
a)
they are unicellular
b)
they are prokayotic
c)
they are autotrophic
2.
Which cell structure is correctly paired with its primary function?
a)
ribosome--protein synthesis
b)
mitochondrion--movement
c)
vacuole--cell division
3.
Joy took the following notes during class. What structure is decribe in her notes?
** forms a boundary between the cell and the outside environment
** consist of a double layer of phospholipids
** controls movement of materials into and out of the cell
** forms a boundary between the cell and the outside environment
** consist of a double layer of phospholipids
** controls movement of materials into and out of the cell
a)
E.R.
b)
cell membrane
c)
nucleus
4.
What type of organism will begin the food chain or food web?
a)
carnivore
b)
heterotroph
c)
autotroph
5.
Where does the initial source of energy for most ecosystems begin?
a)
sunlight
b)
food
c)
nutrients in the soil
6.
An ecosystem consists of both ____ and _____factors.
a)
biotic and abiotic
b)
animals and plants
7.
In the following food chain, the _____is the primary consumer
grass----rabbit----snake----hawk
grass----rabbit----snake----hawk
a)
grass
b)
rabbit
c)
hawk
d)
snnake
8.
The biome with the greatest biodiversity is
a)
rain forest
b)
tundra
c)
taiga
9.
What organisms return nutrients to the soil?
a)
producers
b)
decomposers
c)
scavengers
10.
What cell organelle controls all of the cells activities?
a)
nucleus
b)
cell wall
c)
choloroplast
11.
What cell part supports the cell and might be made of cellulose?
a)
cell membrane
b)
cell wall
c)
ribosome
d)
nucleus
12.
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
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.
Cellular respiration allows an organism to get energy from
a)
sunlight
b)
food
c)
water
d)
oxygen
15.
What is the smallest unit that can perform all the processes necessary for life?
a)
nucleus
b)
cell
c)
organelle
d)
protist
16.
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
17.
The function of a part of an organism is related to
a)
the shape of its parts
b)
the structure of that part
18.
The material that controls all cell activities is called
a)
H2O
b)
DNA
c)
cytokinesis
d)
mitochondria
19.
Where does photosynthesis take place?
a)
in the nucleus
b)
in the mitochondria
c)
in the ribosomes
d)
in the chloroplasts
20.
What part of the cell acts as the cell's delivery system?
a)
nucleus
b)
nucleolus
c)
Endoplasmic recticulum
d)
mitochondrion
21.
What part of the cell forms a barrier between the cell and its environment?
a)
cell membrane
b)
nucleus
c)
ribosomes
d)
choloesterol
22.
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
23.
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
24.
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
25.
The energy required for photosynthesis is provided by
a)
proteins
b)
sunlight
c)
chlorophyll
d)
carbohydrates
26.
Abiotic factors in the environment are all __________.
a)
living
b)
nonliving
27.
A group of populations that interact in an area is __________
a)
ecosystem
b)
community
c)
biome
d)
population
28.
Lions, birds, snakes and trees are all __________.
a)
abiotic factors
b)
biotic factors
c)
part of a niche
d)
in the same food chain
29.
Grass --> Grasshopper --> Mockingbird represents __________.
a)
food chain
b)
food pyramid
c)
food web
d)
ecosystem
30.
Energy in an ecosystem is used for growth or lost as __________
a)
light
b)
heat
c)
death
d)
biomass
31.
Algae, grasses and trees are all __________.
a)
decomposers
b)
consumers
c)
autotrophs/producers
d)
pyramids
32.
A trophic level represents a _________.
a)
consumer
b)
feeding level
c)
speeding level
d)
cooking level
33.
The portion of Earth that supports life is the __________
a)
individual
b)
community
c)
biosphere
d)
environment
34.
An animal that eats plants and meat is a(n) __________.
a)
herbivore
b)
omnivore
c)
carnivore
d)
decomposer
35.
An organism`s role in its community is its __________, and where it lives is its _________.
a)
habitat; niche
b)
role in community; niche
c)
niche; role in the community
d)
niche; habitat
36.
Which of the following memebers of the food chain is a teritary carnivore?
a)
tree
b)
insect
c)
bird
d)
fox
37.
Which heterotroph in the food chain receives the largest amount of useful energy?
a)
bird
b)
fox
c)
snake
d)
tree
38.
Which of the following types of organisms occupies the trophic level of greatest biomass?
a)
herbivores
b)
plants
c)
primary consumers
d)
secondary consumers
39.
Which level has the least amount of energy?
a)
producer
b)
decomposer
c)
primary consumer
d)
secondary consumer
40.
The ecosystem is comprised of both ____ and _____factors.
a)
rain and shine
b)
biotic and abiotic
c)
earth and environment
41.
What is the source of energy that flows through most of the food chains on Earth?
a)
plants
b)
the sun
c)
temperature
d)
wind
42.
What are the expectations for students while walking down the hallway?
a)
To talk loud and walk on any side of the hall I desire
b)
To talk quietly and stand on the second block before walking down the right hand side of the hall
c)
To be completely quiet and stand on the third block before walking down the right hand side of the hall
d)
To be completely quiet and stand on the third block before walking down the left hand side of the hall
43.
What is diffusion?
a)
when molecules move
b)
when molecules move from a high concentration to a low.
c)
no movement
d)
molecules move everywhere
44.
Where is there a high concentration of water?
a)
in the flower
b)
cannot be determined by picture.
c)
in the vase
d)
in the leaves
45.
when a person smells something, what is actually traveing up their nose?
a)
solids
b)
molecules
c)
matter
d)
plasma
46.
Where is there a low concentration of dye?
a)
at the bottom of cup
b)
in the color
c)
at the top of cup
d)
no concenteraion gradient
47.
Where is there a low concentration of perfume?
a)
in the bottle
b)
on the hand
c)
in the room
d)
in the top
48.
What is diffusion of water molecules?
a)
Osmosis
b)
Dissolution
c)
High octavation
d)
Low octavation
49.
Cell membranes allow or don't allow some molecules through. This is called...
a)
Full of holes
b)
Selectively permeable
c)
Not air tight
d)
Leaky
50.
When molecules move from HIGH concentration through a cell membrane to LOW concentration, is energy needed?
a)
Yes
b)
No
51.
When molecules move from LOW concentration through a cell membrane to HIGH concentration, is energy needed?
a)
Yes
b)
No
52.
Which type cell has a nucleus?
a)
Eukaryote
b)
Prokaryote
53.
Which type cell includes Bacteria?
a)
Eukaryote
b)
Prokaryote
54.
What is the definition of Selective Permeability?
a)
The movement of materials across the cell membrane that requires NO ENERGY from the cell.
b)
The movement of materials through (or across) the cell membrane
c)
The ability of the cell membrane to allow some things to pass through while preventing other things from passing through.
d)
The movement of molecules from an area of high concentration (where the molecules are more crowded together) to a area of low concentration (where molecules are more spread apart)
55.
Osmosis
a)
diffusion of water molecules through a semi-permeable mebrane from an area of low concentration to an area of high concentration
b)
the diffusion of particles from an area of high concentration to an area of low concentration
c)
diffusion of water molecules through a semi-permeable membrane from an area of high concentration to an area of low concentration
d)
the diffusion of particles from an area of low concentration to an area of high concentration
56.
The picture below is an example of _________________.
a)
osmosis
b)
isotonic
c)
diffusion
d)
active transport
57.
Osmosis is the movement of _____ across a membrane.
a)
food
b)
energy
c)
oxygen
d)
water
58.
_______ regulates what enters and leaves a cell.
a)
Cell Membrane
b)
Nucleus
c)
Mitochondria
d)
Cytoplasm
59.
Equilibrium?
a)
a large amount of substance on side of the cell and a small amount on the other side
b)
a small amount of substance on side of the cell and a large amount on the otherside
c)
equal amount of substance on either side of the membrane
d)
no particles on either side of the a cell membrane
60.
What is the definition of Osmosis?
a)
the movement of WATER molecules across the cell membrane.
b)
the state where molecules are equally concentrated (balanced) on both sides of the cell membrane.
c)
the process that brings LARGE particles INTO the cell through the cell membrane
d)
he movement of molecules across the cell membrane that REQUIRES ENERGY output from the cell
61.
What is the definition of Equilibrium?
a)
the process that brings LARGE particles INTO the cell through the cell membrane
b)
The movement of molecules from an area of high concentration (where the molecules are more crowded together) to a area of low concentration (where molecules are more spread apart)
c)
the state where molecules are equally concentrated (balanced) on both sides of the cell membrane.
d)
the movement of WATER molecules across the cell membrane.
62.
In the given scenario what will happen to the organism: salt is poured onto eggplant.
a)
Water will move out of the eggplant cells and the cells will shrink.
b)
Water will move out of the eggplant cells and the cells will swell.
c)
Water will move into the eggplant cells and the cells will swell.
63.
In the given scenario what will happen? An egg is placed in pure water for 48 hours.
a)
The egg will gain water and swell.
b)
Water will move in and out of the cell equally, and the cell with neither shrink nor swell.
c)
The egg will lose water and shrink.
64.
Which example(s) of cell transport does not require chemical energy
a)
Drops of blue food coloring are placed in water and spread throughout the water, turning it blue.
b)
A potato slice is placed in water and water molecules from outside the potato move into the potato cells.
c)
Both Answers
d)
Neither answers
65.
An animal cell placed in a hypertonic (salty) solution will
a)
Shrink
b)
Swell
c)
Stay the same
66.
How many diamond molecules need to move to reach equilibrium?
a)
A net of 2 molecules move inside the cell.
b)
A net of 2 molecules move outside the cell.
c)
There is no net movement because the molecules are at equilibrium.
d)
The molecules do not move.
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