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Life Science Pre-Test

Total questions: 65

Worksheet time: 1hrs 7mins

Name
Class
Date
1.
This kingdom is unicellular and prokaryotic.
a)
Bacteria
b)
Protista
c)
Fungi
d)
Animalia
2.
How many kingdoms are there?
a)
2
b)
4
c)
6
d)
8
3.
The ___ of a cell controls all cell functions.  It acts as the brain of the cell.
a)
cell membrane
b)
cell wall
c)
cytoplasm
d)
nucleus
4.
Examples are mushrooms and yeast
a)
Fungi
b)
Protista
Protista
c)
Plantae
d)
Animalia
5.
Examples are daisies and oak trees
a)
Fungi
b)
Plantae
c)
Protista
d)
Animalia
6.
Tigers, Jellyfish, Gorillas and Sponges are all part of kingdom _______.
a)
Animalia
b)
Plantae
c)
Fungi
d)
Bacteria
7.
Archeabacteria...
a)
are eukaryotic
b)
live in extreme environments
c)
are non-living
d)
live in the soil
8.

What is an organism that makes food through photosynthesis

a)

autotroph

b)

heterotroph

9.
Humans are in what kingdom?
a)
Bacteria
b)
Animalia
c)
Protista
d)
Fungi
10.
Mold and mushrooms belong to which kingdom? 
a)
Protista
b)
Plantae
c)
Fungi
d)
Animalia
11.

True or False: The arrows in a food chain and food web will always point towards the organism that is doing the eating.

a)

True

b)

False

12.

The flow of energy moves in a circle through a food chain. The energy moves from the grass to the grasshopper. Next, the transfer of energy passes from the snake to the hawk. Finally, the fungi help by breaking down the hawk when it dies, and returns the energy to the grass. Where does the energy that is transferred through this chain originate?

a)

Fungi

b)

Grass

c)

Grasshopper

d)

Sun

13.

Examine the energy pyramid shown above. Suppose that your teacher hands you a clump of grass and a rabbit. You are told to place them on the correct level of the energy pyramid. On which levels would you place the grass and the rabbit?

a)

Grass on level B, Rabbit on level A

b)

Grass on level D, rabbit on level E

c)

Grass on level E, rabbit on level D

d)

Grass on level A, rabbit on level B

14.

In the ecological/energy pyramid, organism A represents a

a)

carnivore

b)

decomposer

c)

herbivore

d)

producer

15.

Beginning with the producer, which represents the correct order in a typical food chain?

a)

mountain lion-fox-rabbit-grass

b)

grass-fox-rabbit-mountain lion

c)

grass-rabbit-fox-mountain lion

d)

rabbit-fox-mountain lion-grass

16.

In the pyramid, only about 10 percent of the __________ available within one trophic level is transferred to organisms at the next trophic level.

a)

energy

b)

heat

c)

mass

d)

matter

17.

Based on the energy pyramid seen here, which group of organisms is the primary consumer?

a)

predator fish

b)

birds and mammals

c)

insects and zooplankton

d)

phytoplankton and bacteria

18.

Clownfish have evolved resistance to the deadly stings of sea anemones. The sea anemone provides protection for the clownfish from predators and leaves the uneaten remains of its prey for the clownfish to finish off. Meanwhile the clownfish helps attract prey to the sea anemone with its bright colors.


The relationship between clownfish and sea anemones is a form of symbiosis called

a)

commensalism

b)

mutualism

c)

parasitism

d)

competition

19.

The remora has a front dorsal fin that acts like a suction cup. It uses this fin to attach to whales, sharks, or rays and eat the scraps their hosts leave behind. What type of relationship is this? Defend your choice.

a)

It is a mutualistic relationship because both animals benefit; neither animal is harmed.

b)

It is a symbiotic relationship because the remora benefits by eating the larger animals' scraps.

c)

It is an example of commensalism because the remora benefits from the food scraps while the shark, in this case, is neither helped or harmed.

d)

The key word is host. The shark is the host; the remora is a parasite. This is a parasitic relationship.

20.

Ecosystems are made up of living and non-living components. What is a single living thing called?

a)

organism

b)

community

c)

ecosystem

d)

population

21.

What is the correct order of ecological organization from smallest to largest?

a)

organism, community, population, ecosystem, biosphere, biome

b)

organism, population, community, ecosystem, biome, biosphere

c)

biosphere, biome, ecosystem, population, community, organism

d)

community, organism, ecosystem, population, biosphere, biome

22.

8) The greatest biodiversity on earth is found in the __________ biome.

a)

taiga

b)

savanna

c)

tropical rainforest

d)

temperate forest

23.

The MAIN difference between a rain forest and a desert is the

a)

number of seasons.

b)

number of decomposers

c)

amount of land occupied

d)

amount of precipitation

24.

Biomes that are found near the equator or near mountains ranges and have high relative humidity and lots of rain are called

a)

deserts

b)

rainforests

c)

deciduous forest

d)

temperate forests

25.

In which biome would you MOST LIKELY find permafrost?

a)

tundra

b)

desert

c)

savanna

d)

mountain

26.

Which biome do you live in?

a)

Savanna

b)

Tundra

c)

Temperate Deciduous Forest

d)

Taiga

27.
Heterozygous is when...
a)
the alleles are the same
b)
the alleles are different
c)
the alleles are absent
d)
the alleles are present
28.
In a heterozygous genotype, the ___________ allele takes over in the phenotype.
a)
recessive
b)
dominant
c)
lower case letter
d)
both 
29.
T - tall and t = short
In the punnett square below, what belongs in the missing square
a)
tt
b)
Tt
c)
Bb
d)
TT
30.
G = green, g = yellow
The genotype for a yellow plant is...
a)
GG
b)
Gg
c)
gg
d)
all of the choices result in yellow
31.
B = brown fur  b = white fur
In the punnett square, what is the probability for white fur? 
a)
0%
b)
25%
c)
50%
d)
75%
32.
In plants, tall (T) is dominant to short (t). Perform the following cross: Tt x Tt. What is the probability of producing a short plant?
a)
0%
b)
25%
c)
50%
d)
75%
33.
Which of the following is NOT a genotype?
a)
heterozygous
b)
a trait
c)
Bb
d)
homozygous recessive
34.
Which of the following alleles is homozygous (purebred) recessive?
a)
Tt
b)
tt
c)
TT
d)
t
35.
Two brown eyed parents (Bb) have a baby. What is the chance the baby is blue eyed?
a)
0 %
b)
25%
c)
50%
d)
75%
36.

In peas, the allele for green pods (G) is dominant to yellow (g). What percent of the offspring will have green coats in a Homozygous recessive x Heterozygous cross

a)

100%

b)

75%

c)

50%

d)

25%

e)

0%

37.

In peas, the allele for green pods (G) is dominant to yellow (g). What percent of the offspring will have green coats in a Homozygous dominant x Heterozygous cross

a)

100%

b)

75%

c)

50%

d)

25%

e)

0%

38.

In peas, the allele for green pods (G) is dominant to yellow (g). What percent of the offspring will have green coats in a Heterozygous x Heterozygous cross

a)

100%

b)

75%

c)

50%

d)

25%

e)

0%

39.

In peas, the allele for green pods (G) is dominant to yellow (g). What percent of the offspring will be purebred dominant green coats in a Heterozygous x Heterozygous cross

a)

100%

b)

75%

c)

50%

d)

25%

e)

0%

40.

In peas, the allele for green pods (G) is dominant to yellow (g). What percent of the offspring will be purebred yellow coats in a Heterozygous x Heterozygous cross

a)

100%

b)

75%

c)

50%

d)

25%

e)

0%

41.

In peas, the allele for green pods (G) is dominant to yellow (g). What percent of the offspring will be hybrid for green coats in a Heterozygous x Heterozygous cross

a)

100%

b)

75%

c)

50%

d)

25%

e)

0%

42.

In peas, the allele for green pods (G) is dominant to yellow (g). What percent of the offspring will have yellow coats in a Homozygous dominant x Heterozygous cross

a)

100%

b)

75%

c)

50%

d)

25%

e)

0%

43.
When an organism completely dies out, it is called.....
a)
Adaption
b)
Extinction
c)
Fossilization
d)
Mutation
44.
Mistakes or changes that occur int he DNA sequence are called....
a)
adatations
b)
Darwinism
c)
mutations
d)
natural selection
45.
The preserved remains or physical evidence of an organism that lived in the past are called...
a)
evolutionary features
b)
fossils
c)
mutations
d)
variations
46.
Which would NOT be considered a fossil?
a)
bones buried deep in the earth
b)
footprints harened in  mud or rocks
c)
imprints left in rocks
d)
stories passed down from generation to generation
47.
What is it called when an organism is best adapted to its environment, it will survive and reproduce more successfully than other organisms less adapted?
a)
cloning
b)
evolution of all species
c)
natural selection
d)
selective breeding
48.
Inherited trait that helps an organism survive is a(n) __________.
a)
Fossil
b)
Adaptation
c)
Ancestor
d)
Natural selection
49.
Structures with the same parts have different functions; suggests that organisms share a common ancestry
a)
vestigial structures
b)
homologous structures
c)
adaptive radiation
d)
fossil
50.
Why are advantageous traits more likely to be passed onto offspring?
a)
Because they are more likely to survive and reproduce.
b)
Because they come from dominant alleles.
c)
Because they come from recessive alleles.
d)
Because the trait is an acquired phenotype.
51.
Which of the following are examples of evidence for evolution?
a)
Fossils and Cellular Structure
b)
Biological Structures 
c)
Genetics/DNA
d)
All of the Above
52.
True or False?
Generations of a species that are farther apart from each other look the most different.
a)
True
b)
False
53.
These are natural differences within a species.
a)
Evolution
b)
Genetic variation
c)
Biological diversity
d)
Populations
54.
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
55.
What part of the cell forms a barrier between the cell and its environment?
a)
cell membrane
b)
nucleus
c)
ribosomes
d)
choloesterol
56.
Where does photosynthesis take place?
a)
in the nucleus
b)
in the mitochondria
c)
in the ribosomes
d)
in the chloroplasts
57.
The material that controls all cell activities is called
a)
H2O
b)
DNA
c)
cytokinesis
d)
mitochondria
58.
What is the smallest unit that can perform all the processes necessary for life?
a)
nucleus
b)
cell
c)
organelle
d)
protist
59.
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
60.
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
61.
What cell part supports the cell and might be made of cellulose?
a)
cell membrane
b)
cell wall
c)
ribosome
d)
nucleus
62.

This cell is irregularly shaped, has many small vacuoles, but does not have a cell wall or chloroplasts

a)

Prokaryotic Cell

b)

Plant Cell

c)

Animal Cell

d)

Bacteria Cell

63.

This type of cell is usually larger than the others, is geometric in shape, and has a cell wall and chloroplasts

a)

Prokaryotic Cell

b)

Animal Cell

c)

Plant Cell

d)

Fungi Cell

64.

These cells have cell walls

a)

Plant cell

b)

Animal Cell

c)

Bacteria Cell

d)

Fungi Cell

65.

Where is the DNA of a Eukaryotic Cell

a)

The Cytoplasm

b)

The Nucleus

c)

The Cell Membrane

d)

The lysosome