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Total questions: 100

Worksheet time: 2hrs 41mins

Name
Class
Date
1.

Which is a function of lipids?

a)

to supply cells with quick–release energy

b)

to provide the body with insulation

c)

to store genetic information

d)

to regulate cell processes

2.

Which best explains the function of the sequence of nucleotides?

a)

It provides energy.

b)

It carries genetic information.

c)

It allows DNA to be successfully copied.

d)

It determines the shape of the DNA molecule.

3.

Which type of substance serves as a catalyst for reactions that break large food molecules into smaller useful molecules?

a)

enzymes

b)

vitamins

c)

lipids

d)

nucleotides

4.

Which is a general characteristic of lipids?

a)

Lipids contain nitrogen.

b)

Lipids are soluble in water.

c)

Lipids are insoluble in water.

d)

Lipids contain chains of amino acids.

5.

Which organic molecule is primarily used by cells as a source of energy?

a)

amino acid

b)

fatty acid

c)

glucose

d)

protein

6.

A scientist examines the source of the carbon atoms found in a person’s breath. Which food substances are most likely the source?

a)

lipids

b)

proteins

c)

nucleic acids

d)

carbohydrates

7.

What is the monomer of carbohydrates

a)

disaccharides

b)

monosaccharides

c)

amino acids

d)

fatty acids

8.

A(n) ______________ can be described as a group of individuals of the same species in a particular area.

a)

interaction

b)

survival

c)

population

d)

ecosystem

9.

The maximum number of organisms an ecosystem can support is called the -

a)

limiting factor.

b)

carrying capacity.

c)

abiotic facotr

d)

biotic factor

10.

The living or once living organisms in an ecosystem

a)

Biology

b)

Abiotic

c)

Biotic

d)

Ecology

11.

The non-living parts of the environment such as rocks, air, temperature, sunlight, and water

a)

Abiotic

b)

Biotic

c)

Habitat

d)

Community

12.

After the sun, where does a food chain start?

a)

with animals that eat plants

b)

with plants that eat other animals

c)

with plants that make their own food

13.

Where would a decomposer be in a food chain?

a)

at the beggining

b)

at the end

c)

between a producer and consumer

14.

Several food chains linked together make up

a)

food web

b)

food pyraid

c)

ecosystem

15.

What is an example of a consumer getting energy from a consumer?

a)

a tree making food from sunlight

b)

a chipmunk eating seeds

c)

a fish eating insects

16.

_________ is a model that shows the path of energy as it flows from living to another.

a)

food chain

b)

model

c)

food web

17.

The ________ in the food chain used the energy of sunlight to make its own food.

a)

sun

b)

animals

c)

grass

18.

When the snake eats the grasshopper, the energy in the grasshopper moves

a)

into the grasshopper

b)

into the snakes body

c)

into the air

19.

A __________ is a living thing that gets energy by breaking down material from dead plants and animals.

a)

consumer

b)

decomposer

c)

producer

20.

Plants and other producers take in energy from the ____________ to make their own food.

a)

grass

b)

sun

c)

rain

21.
Natural disasters such as flooding and tornadoes are linked to ________________.
a)
primary
b)
secondary
c)
old field
d)
ecosystem
22.
How do lichens contribute to primary succession?
a)
Lichens decompose organic matter from animals and plants
b)
Lichens begin to break down rock to form soil
c)
Lichens are nitrogen fixing bacteria
d)
Lichens convert carbohydrates into fossil fuels.
23.
What is formed during primary succession that doesn't need to be formed during secondary succession?
a)
pioneer species
b)
soil
c)
climax community
d)
lichens
24.
The first organisms that appear in an ecological community
a)
ecological succession 
b)
primary succession 
c)
secondary succession
d)
pioneer species
25.
The biome known for trees with broad leaves that fall off the trees in the winter.
a)
Coniferous Forests
b)
Deciduous Forests
c)
Deserts
d)
Tropical Rain Forests
26.
One characteristic feature of the tundra is that only the surface thaws in the summer and refreezes in the winter, leaving a permanently frozen subsoil. This characteristic is known as 
a)
Hoarfrost
b)
Glaciation
c)
Permafrost
d)
Crystallization 
27.
The kangaroo rat is able to get all of the water it needs through it's food and therefore, never needs to drink liquid. This animal has adapted to survive in which biome that rains less than 2 inches a year?
a)
Forest
b)
Tundra
c)
Desert
d)
Grassland
28.
Which biome, because of its climate, has the largest number of species of plants and animals?
a)
Tundra
b)
Tropical Rainforest
c)
Desert
d)
Pineforest
29.
The taiga:
a)
a cold, treeless, desert-like biome found near the North and South Poles
b)
found mostly in Africa
c)
a forest biome dominated by coniferous trees, such as pine, fir, and spruce
d)
a dry, rocky biome found in the central part of South America.
30.
Name the biome that has cold winters, warm summers, moderate seasonal precipitation, fertile soils and occasional wildfires.
a)
Tropical Dry Forest
b)
Tropical Grassland
c)
Temperate Grassland
d)
Temperate Woodland/Shrubland
31.
Regions of Earth that are defined by their climate and the unique plants & animals that live there
a)
biome
b)
ecosystem
c)
environment
d)
niche
32.
Which type of trees is found in a temperate forest?
a)
deciduous
b)
evergreen
c)
ginko
d)
palm
33.
What are the key features of the Tundra?
a)
cold winter, thin acidic soil, evergreen trees
b)
treeless, permafrost, cold dark winters
c)
ong cool summers, short dark winters, migrating animals
d)
many evergreen trees, short moist summers, long snowy winters
34.
In an experiment testing how plant water intake affects a plant's growth, what would be the independent variable?
a)
Glucose production
b)
Plant growth
c)
Amount of water
d)
Sunlight
35.
Taiga is a biome consisting of evergreen trees (conifers).  Where is taiga found?
a)
northern parts of Mexico
b)
midwestern states such as Kansas
c)
northeastern states such as Maine
d)
southwestern parts of Canada
36.
Which of the following is not a decomposer
a)
Vulture
b)
Fungus
c)
Worm
d)
Bacteria
37.
What Biome does this climate graph belong to?
a)
Desert
b)
Tropical Rainforest
c)
Temperate Forest
d)
Tundra
38.
What Biome would you find a : Meerkat?
a)
Desert
b)
Temperate Forest
c)
Tropical Rainforest
d)
Deciduous Forest
39.
a)
temperate deciduous forest
b)
desert
c)
grassland
d)
rainforest
40.
a)
tundra
b)
taiga
c)
temperate rainforest
d)
desert
41.
a)
desert
b)
temperate rainforest
c)
temperate deciduous forest
d)
grasslands
42.
a)
rainforest
b)
desert
c)
grassland
d)
taiga
43.
What is the term used to describe all living things in an ecosystem?
a)
Biotic Factors
b)
Abiotic Factors
c)
Environmental Factors
d)
Population
44.
Choose the correct order of organization from smallest to largest
a)
Species--> Population--> Community--> Ecosystem-->Biosphere
b)
Community--> Species--> Population--> Biosphere --> Ecosystem
c)
Ecosystem--> Community--> Species--> Population--> Biosphere 
d)
Population-->Species--> Community--> Ecosystem-->Biosphere
45.
Organisms that break down dead plants & animals and release nitrogen back into atmosphere...
a)
bacteria
b)
plants
c)
animals
d)
producers
46.
How do animals get the nitrogen they need?
a)
From the air they breathe
b)
From the water they drink
c)
From the food they eat
d)
From the sun
47.
What process occurs when dead plant and animal matter decomposes and nitrogen is released back into the atmosphere?
a)
Assimilation
b)
Fixation
c)
Ammonification
d)
Denitrification
48.
This is NOT a part of the phosphorus cycle.
a)
Phosphate is incorporated into sedimentary rocks
b)
Phosphate bound to soil
c)
Atmospheric phosphate
d)
Phosphate is absorbed from the soil by plants
49.
This is released by the weathering of rocks.
a)
Carbon
b)
Oxygen
c)
Phosphorus
d)
Nitrogen
50.

How do photosynthesizing organisms use carbon dioxide?

a)

They use carbon dioxide from the air or water to build organic molecules such as glucose.

b)

They release carbon dioxide as a waste product during respiration.

c)

They convert carbon dioxide into oxygen for breathing.

d)

They absorb carbon dioxide to cool their surroundings.

51.

What is nitrification?

a)

The conversion of nitrates into nitrogen gas by bacteria.

b)

The production of nitrates and nitrites from ammonia, facilitated by bacteria.

c)

The process of photosynthesis in plants.

d)

The breakdown of organic matter into simpler substances.

52.

What is the role of carbon in living things?

a)

Carbon is a trace element found only in rocks.

b)

Carbon is an essential element for all living things, found in living tissues, rocks, the atmosphere, and the ocean.

c)

Carbon is a gas that is not involved in biological processes.

d)

Carbon is primarily found in the ocean and has no role in living organisms.

53.

What is nitrogen fixation?

a)

Bacteria combine nitrogen from the atmosphere with hydrogen to make ammonia (NH3) in the soil.

b)

Plants absorb nitrogen directly from the soil and convert it into proteins.

c)

Nitrogen is released into the atmosphere by decomposing organic matter.

d)

Nitrogen is converted into nitrates by lightning during thunderstorms.

54.

Why can't most organisms use atmospheric nitrogen?

a)

Most organisms are unable to use nitrogen in its atmospheric form.

b)

Atmospheric nitrogen is too reactive for organisms to utilize.

c)

Most organisms lack the necessary enzymes to convert atmospheric nitrogen.

d)

Atmospheric nitrogen is not present in sufficient quantities for organisms.

55.

Which of the following is not a type of symbiotic relationship

a)

Mutualism

b)

Parasitism

c)

Commensalism

d)

Metabolism

56.

Mutualism is when....

a)

Both organisms involved in the relationship benefit

b)

One organism in the relationship benefits the other isn't harmed or benefitted

c)

One organism in the relationship benefits and the other is harmed

d)

Both organisms are harmed.

57.

Parasitism is when....

a)

Both organisms involved in the relationship benefit

b)

One organism in the relationship benefits the other isn't harmed or benefitted

c)

One organism in the relationship benefits and the other is harmed

d)

Both organisms are harmed.

58.

Commensalism is when....

a)

Both organisms involved in the relationship benefit

b)

One organism in the relationship benefits the other isn't harmed or benefitted

c)

One organism in the relationship benefits and the other is harmed

d)

Both organisms are harmed.

59.

How many types of symbiotic relationships are there?

(a)  

60.

What type of symbiotic relationship is a bird building a nest in a tree?

a)

Mutualism

b)

Commensalism

c)

Parasitism

d)

None of the above

61.

Create your own example for a mutualistic relationship

4 lines
62.

Draw an arrow toward the parasite

63.

A cactus and the bat that pollinates its flowers is an example of....

a)

Mutualism

b)

Commensalism

c)

Parasitism

d)

Metabolism

64.

The pearl fish using the sea cucumber to hide is an example of

a)

Mutualism

b)

Commensalism

c)

Parasitism

d)

Metabolism

65.

What type of macromolecule makes up this membrane?

a)

Glycerol

b)

Steroid

c)

Phospholipid

d)

Glucose

66.
Question Image

Match the following

a)

A

1.

Carbohydrate

b)

B

2.

Transmembrane Protein

c)

C

3.

Cholesterol

d)

D

4.

Phospholipid

67.
Question Image

Match the following

a)

A

1.

Sends signals to other cells

b)

B

2.

Moves substances in and out of cell

c)

C

3.

Provides structure and flexibility for cell membrane

d)

D

4.

Made of polar head and nonpolar tails

68.

What are phospholipids used for?

a)

Short term energy

b)

Long term energy storage

c)

Insulation

d)

Cell and Organelle Membranes

69.

Which part of the phospholipid is hydrophilic?

a)

Saturated Fat

b)

Glycerol backbone

c)

Phosphate Group

d)

Fatty Acid

70.

____ water will move into the cell than out of the cell and the cell will become ____ .

(a)  

71.

____ water will move into the cell than out of the cell and the cell will become ____.

(a)  

72.

What is true about these red blood cells?

a)

More water moved IN than out of these cells.

b)

More water moved OUT than in to these cells.

c)

Water moved IN and OUT at the same rate.

d)

Water did not move in or out of these cells.

73.

What is true about these red blood cells?

a)

More water has moved OUT than in to these cells.

b)

More water has moved IN than out of these cells.

c)

Water has moved IN and OUT of these cells at the same rate.

d)

Water has not moved in or out of these cells.

74.

What is true about these red blood cells?

a)

More water has moved IN than out of these cells.

b)

More water has moved OUT than in to these cells.

c)

Water has moved IN and OUT of these cells at the same rate.

d)

Water has not moved in or out of these cells.

75.

Match the following

a)

Diffusion

1.

Small molecules move from high to low concentration.

b)

Facilitated Diffusion

2.

Large or charged molecules move from high to low concentration through transmembrane proteins.

c)

Osmosis

3.

Diffusion of water

d)

Active Transport

4.

Molecules move from low to high concentration using energy.

76.

Match the following

a)
1.

Osmosis

b)
2.

Facilitated Diffusion

c)
3.

Active Transport

d)
4.

Diffusion

77.

What is the importance of ATP (Adenosine Triphosphate) in active transport?

a)

It controls heredity.

b)

It is the process of moving from high to low concentration.

c)

It is a protein that moves molecules across a cell membrane.

d)

It is the energy molecule.

78.

The head of the phospholipid is polar which makes it (a)   .

79.

What is it called when food coloring spreads out when dropped in water?

a)

Cellular Respiration

b)

Diffusion

c)

Active Transport

d)

Photosynthesis

80.

Match the following

a)

Active transport moves molecules from

1.

low to high concentration

b)

Passive transport moves substances from

2.

high to low concentration

c)

Active transport

3.

requires energy

d)

Passive transport

4.

does not require energy

81.

Water moves ___ of a wilted flower and the flower's cells get ___.

(a)  

82.

Water flows across a cell membrane from where it is -

a)

least pure to purest

b)

saltiest to least salty

c)

purest to least pure

d)

water does not flow across the membrane

83.

What term is used to describe when two solutions have reached a balanced state?

a)

Hypotonic

b)

Tonicity

c)

Hypertonic

d)

Equilibrium

84.

How are osmosis and diffusion similar processes?

a)

A both move solute molecules

b)

both move water molecules

c)

they move low to high concentrations

d)

both move high to low concentrations

85.

Active transport goes against the concentration gradient. What does that mean?

a)

High to Low

b)

Low to High

86.

A cell has 80% water 20% solute, the surrounding solution has 60% water and 40% solute. What type of solution is this?

a)

Hypertonic

b)

Isotonic

c)

Hypotonic

d)

Equilibrium

87.

When placed in a solution of 30% water 70% salt, what would happen to a cell that is 70% water?

a)

it will take in salt and swell

b)

it will take in water and swell

c)

it will lose water and shrink

d)

it will remain the same size

88.
During osmosis
a)
water moves from high to low concentration
b)
large or oddly shaped molecules move across a cell membrane
c)
water moves when energy is used
d)
proteins are built
89.
The cell below is in a _____________ solution.
a)
Hypertonic
b)
Hypotonic
c)
Isotonic
90.
You put a cell into a solution, the cell grows. Is the solution hypotonic or hypertonic to the cell? 
a)
hypertonic
b)
hypotonic
c)
isotonic
d)
not enough information
91.
What type of solution allows water to enter the plant cell?
a)
hypotonic solution
b)
hypertonic solution
c)
isotonic solution
d)
active transport
92.
An ISOTONIC solution has a(n) ______________ concentration of solute (dissolved stuff) than inside the cell.
a)
lower
b)
equal
c)
higher
93.
If a cell is placed in a HYPOTONIC solution, water will move _________ of the cell, causing it to ___________.
a)
into, swell
b)
out of, shrivel
c)
in and out of the cell, stay the same
94.
What type of solution is this cell in?
a)
Isotonic
b)
Hypertonic
c)
Hypotonic
d)
diffused
95.
What type of solution is this cell in?
a)
Isotonic
b)
Hypertonic
c)
Hypotonic
d)
diffused
96.
What type of solution is this cell in?
a)
Isotonic
b)
Hypertonic
c)
Hypotonic
d)
diffused
97.

Is it safe to drink salt water?

a)

Yum, so salty!

b)

No, you could die of dehydration.

98.

When placed in a solution of 30% water 70% salt, what would happen to a cell that is 70% water?

a)

it will take in salt and swell

b)

it will take in water and swell

c)

it will lose water and shrink

d)

it will remain the same size

99.

A cell has 80% water 20% solute, the surrounding solution has 60% water and 40% solute. What type of solution is this?

a)

Hypertonic

b)

Isotonic

c)

Hypotonic

d)

Equilibrium

100.

In what organelle is the genetic material (DNA) found inside?

a)

Endoplasmic Reticulum

b)

Golgi Complex

c)

Nucleolus

d)

Nucleus

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