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8th grade Life Science mid unit test

Total questions: 138

Worksheet time: 2hrs 31mins

Name
Class
Date
1.
What is the most basic unit of life?
a)
Tissue
b)
Cell
c)
Organ
d)
Organ System
2.
What is the function of the nucleus within a cell?
a)
Containing a cell's DNA and acting as the cell's "brain"
b)
Manufacturing proteins
c)
Completing photosynthesis
d)
Storage space
3.
All  of the living factors in an ecosystem are ___________ factors.
a)
biotic
b)
abiotic
4.
All of the nonliving factors in an ecosystem are _____________ factors.
a)
biotic
b)
abiotic
5.

Maintaining a stable internal

environment is called

a)

homeostasis

b)

equilibrium

c)

balance

d)

evenness

6.

Green plants produce their own food through the process of photosynthesis. Which characteristic of life does this represent?

a)

All living things use energy

b)

All living things contain cells

c)

All living things maintain homeostasis

d)

All living things grow

7.
The ability of a living thing to get bigger is known as _______________.
a)
Development
b)
Growth
c)
Adaptation
d)
Response
8.
The ability of an organism to create offspring is ___________________________________.  
a)
reproduction
b)
evolution
c)
development
d)
growth
9.
Type of reproduction that produces two genetically identical offspring from one parent is _________________.
a)
Sexual
b)
Asexual
c)
reproduction
d)
homeostasis
10.
_________________is a signal to which a living thing responds.
a)
Stimulus
b)
Reaction
c)
Development
d)
Homeostasis
11.

Something that once showed all the characteristics of life but no longer does and never will again:

a)

dormant

b)

nonliving

c)

dead

d)

living

12.

Something that isn't currently showing the characteristics of life but will when provided with the correct conditions:

a)

living

b)

nonliving

c)

dead

d)

dormant

13.

In order for something to be a living organisms is must show all the of the characteristics of life.

a)

True

b)

False

14.

The following are all characteristics of life EXCEPT:

a)

made of cell(s)

b)

eat food

c)

respond to the environment

d)

reproduce

15.
What is a all of the changes that take place during the life of an organism?
a)
Reproduction
b)
Organism
c)
Development
d)
Homeostasis
16.
What is the purpose of a dichotomous key?
a)
to find a common ancestor
b)
to show the evolution of organisms
c)
to show relationships between organisms
d)
to identify organisms
17.
Term given to describe the 2 name naming system is:
a)
dichotmous key
b)
binomial nomenclature
c)
2 scientific names
d)
binomial key
18.

True/ False: An organism does not need to be made up of a cell/cells to be alive.

a)

True

b)

False

19.

True/ False: An organism needs to reproduce to be consider a living thing.

a)

True

b)

False

20.

True/ False: An organism does not need energy to be living.

a)

True

b)

False

21.
The scientific name for an organism is made from the:
a)
class and family name
b)
genus and species name
c)
domain and kingdom name
d)
kingdom and phylum name
22.
The 8 levels of classification, most broad to most specific.
a)
Domain, Genus, Family, Order, Class, Phylum, Kingdom, Species
b)
Domain, Species, Kingdom, Genus, Phylum, Family, Class, Order
c)
Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species
d)
Order, Kingdom, Species, Domain, Phylum, Family, Class, Genus
23.

An organelle in a cell that receives proteins and other newly formed materials from the endoplasmic reticulum packages them and distributes them to other parts of the cell

a)

vacuole

b)

chloroplast

c)

ribosome

d)

golgi apparatus

24.
Jelly-like material that makes up most of the cell
a)
cytoskeleton
b)
cytoplasm
c)
cyclops
d)
cytoliquid
25.
What is found in both plant and animal cells but is much larger in plant cells?
a)
Nucleus
b)
Mitochondrion
c)
Chloroplast
d)
Vacuole
26.

What do the ribosomes do?

a)

Make ATP

b)

Make cytoplasm

c)

Make proteins

d)

Make water

27.
What organelle's job is to produce the power or energy needed produced in the cell?
a)
mitochondrion
b)
nucleus
c)
cell membrane
d)
organelle
28.

Plant cells contain what organelle that animal cells do not?

a)

Chloroplast

b)

nucleus

c)

ER

d)

mitochondria

29.

Tough outer layer of plant cells. Provides support and stability.

a)

cell membrane

b)

cytoplasm

c)

cell wall

d)

chloroplasts

30.

These are passageways in the cell that carry proteins from one part of the cell to another.

a)

Golgi body

b)

endoplasmic reticulum

c)

ribosome

d)

lysosome

31.
Controls what passes in and out of the nucleus
a)
Nuclear Membrane
b)
Vacuole
c)
Ribosome
d)
Lysosome
32.

"Tear Down Crew" Helps the cell digest food, waste and worn out cell parts

a)

Cytoplasm

b)

Cytoskeleton

c)

Cell Wall

d)

Lysosomes

33.
"Gatekeeper" Separates the cell from the rest of the environment and helps control what passes in and out of the cell.  Semi-permeable: allows some materials to pass through but not all
a)
Cell Wall
b)
Cytoplasm
c)
Mitochondria
d)
Cell Membrane
34.
A cell with a nucleus is called ...
a)
Eukaryotic
b)
Nucleic
c)
Prokaryotic
d)
Cellular
35.
The pictured cell is an example of _________.
a)
an animal cell
b)
a plant cell
c)
neither plant nor animal cell
36.
Bacteria is what kind of cell?
a)
Eukaryotic
b)
Prokaryotic
37.
Who looked at cork and named the cell?
a)
Robert Hooke
b)
Van Leeuwenhoek
c)
Robert Brown
d)
Francesco Redi
38.

What is a stage used for?

a)

lets light in

b)

where the slide is placed

c)

what holds the slide in place

d)

lets you see better

39.

what is the total magnification if the ocular lens is 10x and the objective lens is 4x?

a)

40x

b)

400x

c)

4x

d)

4000x

40.

What is number 9?

a)

rotating nose piece

b)

objective lens

c)

ocular lens

d)

adjustment knob

41.
What type of cell is pictured?
a)
Prokaryotic
b)
Eukaryotic
c)
Plant
d)
Animal
42.
The two kinds of cells are prokaryotes and eukaryotes. How are they different?
a)
Prokaryotes have a nucleus.
b)
Eukaryotes have a nucleus.
c)
Prokaryotes are plant cells.
d)
All bacteria are eukaryotes.
43.
There are three parts to the cell theory. Which is NOT one of those parts?
a)
All organisms are composed of one or more cells.
b)
The cell is the basic unit of structure and organization in organisms.
c)
Cells spontaneously arise from carbon and nutrients carried in the bloodstream.
d)
All cells come from pre-existing cells.
44.

What kind of cell is this?

a)

plant

b)

animal

45.
What are the products of photosynthesis?
a)
water and carbon dioxide
b)
oxygen and glucose
c)
oxygen and carbon dioxide
d)
oxygen and water
46.
Which gas is removed from the atmosphere during photosynthesis?
a)
hydrogen
b)
oxygen
c)
nitrogen
d)
carbon dioxide
47.
The main source of energy for all life comes from ____.
a)
the Earth
b)
the moon
c)
the sun
d)
the food we eat/make
48.
Green plants reflect ________ light.
a)
Red
b)
Green
c)
All
d)
Red and Violet
49.
What is the "waste" gas (product) produced during photosynthesis?
a)
oxygen
b)
nitrogen
c)
helium
d)
hydrogen
50.
An autotroph is an organism that can ?
a)
make its own food.
b)
grow its own food
c)
kill and eat other organisms.
d)
play ball with you. 
51.
What is the pigment molecule that absorbs the sunlight ?
a)
hemoglobin
b)
chlorophyll
c)
ATP
d)
ethyl alcohol
52.
Which of the following is the correct equation for PHOTOSYNTHESIS?
a)
CO2 + light + H2O --> O2 + glucose
b)
CO2 + glucose + H2O --> O2 + light
c)
O2 + light + H2O --> CO2 + glucose
d)
CO2 + O2 + H2O --> Light+ glucose
53.

The openings that are found in the leaves of plants are called:

a)

Stomata

b)

Chlorophyll

c)

Xylem

d)

Chloroplast

54.

The process of photosynthesis takes place in the:

a)

Leaves of the Plant.

b)

Stem of the plant.

c)

Roots of the plant.

d)

All of the above.

55.
Cellular respiration takes place in the
a)
nucleus
b)
cytoplasm
c)
ribosomes
d)
mitochondria
56.
In which way are photosynthesis and cellular respiration different?
a)
Cellular respiration stores ATP, while photosynthesis releases ATP.
b)
Cellular respiration produces oxygen, while photosynthesis uses oxygen.
c)
Photosynthesis releases energy, while cellular respiration stores energy.
d)
Photosynthesis used carbon dioxide, while cellular respiration produces carbon dioxide.
57.
What is the correct equation for cellular respiration?
a)
6O2 + C6H12O6 -> 6CO2 + 6H2O + Energy
b)
6O2 + C6H12O6 + Energy -> 6CO2 + 6H2O
c)
6CO2 + 6H2O -> 6O2 + C6H12O6 + Energy
d)
6CO2 + 6H2O + Energy -> 6O2 + C6H12O6
58.
Moving from areas of LOW concentration to areas of HIGH concentration is called?
a)
Passive Transport
b)
Active Transport
c)
Diffusion
d)
Osmosis
59.
My cells are Shriveled!    What state are my cells in?
a)
Hypertonic
b)
Hypotonic
c)
Isotonic
d)
Diffusion 
60.
If the question asks about Osmosis, I will look for an answer about?
a)
Particles
b)
Salt
c)
Sugar
d)
Water
61.
Our cell membrane only lets certain substance in and out of the cell.  This is called?
a)
Semi-Selectively Permeable
b)
Perforated
c)
Non-conductive
d)
Permeable
62.
What is the diffusion of water through a selectively permeable membrane?
a)
active transport
b)
osmotic pressure
c)
facilitated diffusion
d)
osmosis
63.
What means of particle transport requires energy?
a)
passive
b)
active
c)
facilitated
d)
osmosis
64.
Diffusion is the movement of particles
a)
from low to high concentration
b)
from  high to low concentration
c)
from equilibrium to areas of high concentration
d)
all of the above
65.
Facilitated diffusion requires
a)
no energy
b)
energy
66.
Placing a cell in an isotonic solution causes the cell to
a)
shrink
b)
swell
c)
stay the same
67.
Placing a cell containing 10% salt into a solution containing 7% salt will cause the cell to 
a)
shrink
b)
swell
c)
stay the same
68.
Particles are too large to enter the membrane.
Need help from channel proteins. No energy required.
a)
active transport
b)
passive transport
c)
facilitated diffusion
d)
osmosis
69.
Engulfs large molecules and moves them inside the membrane.
Uses energy.
a)
exocytosis
b)
endocytosis
c)
protein channel 
d)
diffusion
70.
Engulfing a large substance from the inside of the cell to move it outside of the cell. 
Uses energy. 
a)
exocytosis
b)
endocytosis
c)
photosynthesis
d)
diffusion
71.
A small membrane sac used to transport substances into or out of the cell are called _________.
a)
ventriole
b)
vesicle
c)
lysosome
d)
vacuole
72.
What does NOT happen during interphase?
a)
growth
b)
DNA replication 
c)
obtaining nutrients
d)
cell divison
73.
Cells spend the majority of their lives in
a)
Interphase
b)
Mitosis
c)
Synthesis 
d)
Gap 2
74.

Cells of organisms must go through cell division for?

a)

growth

b)

repair of damaged cells

c)

replacement of dying cells.

d)

All of these

75.

DNA is replicated during ______ of the cell cycle.

a)

Gap 1

b)

Synthesis (S phase)

c)

Gap 2

d)

Gap 0

76.
What is cytokinesis?
a)
This is when two cells merge together to make one giant cell.
b)
The stage where chromosomes migrate to the opposite ends of the cell. 
c)
The stage of the cell cycle where the rest of the cell divides after mitosis is complete.
d)
The stage in which DNA condenses into chromosomes.
77.
What occurs during G1?
a)
Checkpoint after S phase
b)
Chromosomes line up at the equator.
c)
The cell grows and develops.
d)
Spindle fibers separate chromosomes to opposite poles of the cell. 
78.

During most of interphase, DNA is found in a relaxed form called

a)

chromosome

b)

centromere

c)

centriole

d)

chromatin

79.

During mitosis, DNA is found in the condensed form called a

a)

chromosome

b)

centromere

c)

centriole

d)

chromatin

80.

In prophase of mitosis, chromosomes

a)

form and the nuclear envelope disappears.

b)

are pulled toward opposite ends of the cell.

c)

chromosomes line up along the equator of the cell

d)

chromosomes begin to decondense and the two new nuclei begin to form.

81.

In metaphase of mitosis, chromosomes

a)

form and the nuclear envelope disappears.

b)

are pulled toward opposite ends of the cell.

c)

chromosomes line up along the equator of the cell

d)

chromosomes begin to decondense and the two new nuclei begin to form.

82.

In anaphase of mitosis, chromosomes

a)

form and the nuclear envelope disappears.

b)

are pulled toward opposite ends of the cell.

c)

chromosomes line up along the equator of the cell

d)

chromosomes begin to decondense and the two new nuclei begin to form.

83.

In telophase of mitosis, chromosomes

a)

form and the nuclear envelope disappears.

b)

are pulled toward opposite ends of the cell.

c)

chromosomes line up along the equator of the cell

d)

chromosomes begin to decondense and the two new nuclei begin to form.

84.
How many stages are in mitosis?
a)
1
b)
2
c)
3
d)
4
85.
The structure labeled A is a(n)
a)
chromatid
b)
centriole
c)
centromere
d)
chromophere
86.
The structures labeled B are
a)
centrioles
b)
chromatids
c)
centromeres
d)
chromopheres
87.

The correct sequence of mitosis:

a)

metaphase, anaphase, telophase, prophase

b)

prophase, metaphase, anaphase, telophase

c)

prophase, anaphase, metaphase, telophase

d)

telophase, metaphase, prophase, anaphase

88.

After mitosis the number of chromosomes in the newly created cells will be:

a)

Half the number of the original cell

b)

The same number as the original cell

c)

Twice as much as the original cell

89.

Uncontrolled growth can result in:

a)

G0 phase

b)

S phase

c)

Replication

d)

Cancer

90.

When you start with 1 cell, at the end of mitosis, how many identical cells will you have?

a)

1

b)

2

c)

3

d)

4

91.

After mitosis is complete, the new cells:

a)

are all identical

b)

are half identical and half different

c)

are all different

d)

are all stretched out

92.
Place these cells in order of mitosis.
a)
A, B, C, D, E
b)
B, E, D, A, C
c)
C, E, A, D, B
d)
B, D, A, E, C
93.
What kind of cells are made in MEIOSIS?
a)
Haploid cells
b)
Diploid Cells
c)
Skin Cells
d)
Liver Cells
94.
Diploid Cells are represented by
a)
2n
b)
n
c)
4n
d)
1/2 n
95.
If the Diploid number of Carrots is 18, the haploid number is
a)
18
b)
9
c)
27
d)
36
96.
How does cytokinesis differ in plant and animal cells?
a)
Cytokinesis only takes place in animal cells.
b)
Cytokinesis only takes place in plant cells.
c)
Plant cells form a cell plate, animal cells form a cleavage furrow.
d)
Animal cells form a cell plate, plant cells form a cleavage furrow.
97.
During meiosis I, what happens? 
a)
Sister chromatids are split
b)
Homologous chromosomes are split
c)
Four cells are created
d)
None of the other choices are correct
98.
During meiosis II, what happens? 
a)
Sister chromatids are split
b)
Homologous chromosomes are split
c)
Two cells are created
d)
None of the other choices are correct
99.

Pairs of similar chromosomes are called...

a)

chromosomes

b)

homologous chromosomes

c)

cytokinesis

d)

DNA

100.
Why do cells go through cell division
a)
Growth
b)
Reproduction
c)
Repair
d)
All of the above
101.
What is it called when a sperm and egg meet?
a)
meiosis
b)
fertilization
c)
cell division
d)
mitosis
102.
A male shark has 40 chromosomes in each of its sex cells. How many would be present in its body cells?
a)
20
b)
40
c)
80
d)
160
103.
The chromosomes that pair up during meiosis, are called __________ chromosomes.  
a)
homozygous 
b)
asexual
c)
homologous
d)
genes
104.
Chromosomes exchange genetic material during 
a)
crossing over
b)
replication
c)
synthesis
d)
translation
105.
Females have ____ and males have _____ chromosomes.
a)
XX, XY
b)
XY, XX
c)
XX, XX
d)
XY, XY
106.
The fertilized egg is termed a/an _____.
a)
gamete
b)
allele
c)
homolog
d)
zygote
107.
The process of crossing over occurs in what phase of meiosis?
a)
anaphase 1
b)
prophase 1
c)
prophase 2
d)
telophase 1
108.
With mitosis you get ___, _________ cells, but with meiosis, you get ___, ____________.
a)
4 different, 2 identical
b)
4 identical, 2 different
c)
2 different, 4 identical
d)
2 identical, 4 different
109.
When homologous chromosomes match up, they form a structure call a ___________.
a)
tetrad
b)
triad
c)
diploid
d)
gamete
110.
The haploid number of chromosomes for humans is ____.
a)
46
b)
43
c)
23
d)
26
111.
Photograph of chromosomes grouped in ordered pairs
a)
pedigree
b)
Punnett Square
c)
Venn Diagram
d)
Karyotype
112.
Which term correctly describes the formation of female gametes through the process of meiosis?
a)
intergenesis
b)
oogenesis
c)
spermatogenesis
d)
macrogenesis
113.

Process of creating female gamete

a)

Ovarian Cycle

b)

Follicle

c)

Menstrual Cycle

d)

Oogenesis

e)

Ovulation

114.

The term 'synapsis' is associated with which process?

a)

crossing over

b)

independent assortment

c)

mitosis

d)

anaphase

e)

fertilization

115.

Complete oogenesis results in the formation of:

a)

1 ovum; 3 polar bodies

b)

1 secondary oocytes;2 polar bodies

c)

1 ovum; 3 secondary oocytes

d)

1 ovum; 1 polar body

116.

Which of these is a major difference between oogenesis and spermatogenesis?

a)

Spermatogenesis leads to two sperm, while oogenesis leads to one egg.

b)

Oogenesis leads to four eggs while spermatogenesis leads to eight sperm.

c)

Spermatogenesis leads to four sperm, while oogenesis leads to one egg.

d)

Oogenesis leads to two eggs while spermatogenesis leads to one sperm.

117.
What type of "square" helps us solve genetic problems?
a)
carpenter square
b)
Mendel square
c)
Punnett square
d)
genetic square
118.
TT,tt,PP,pp,SS,ss are examples of alleles that are?
a)
homozygous
b)
heterozygous
c)
different
d)
homologous 
119.
The exact genetic makeup of an organism, such as RR, Tt, PP is its?
a)
phenotype
b)
dominance
c)
genotype
d)
trait
120.
Y for yellow body is dominant over y for blue body.  What alleles would produce yellow bodies?
a)
YY,yy
b)
Yy,yy
c)
YY only
d)
YY,Yy
121.
"The Great White Shark was 20 feet in length.  Phenotype or Genotype?
a)
phenotype
b)
genotype
122.
Females-XX; MalesXY.  A couple has 4 girls.  What is the chance the next child will be a boy?
a)
75%
b)
100%
c)
25%
d)
50%
123.

What plant did Mendel study?

a)

pea plant

b)

spinach

c)

carrots

d)

sunflowers

124.
having two different genes for a trait (sometimes called hybrid).
a)
protein
b)
homozygous
c)
heterozygous
d)
genotype
125.
Term for an organism that display two dominant phenotypes at the same time
a)
codominance
b)
incomplete dominance
c)
multiple alleles
d)
linked genes
126.
Incomplete dominance means that the traits are
a)
expressed equally
b)
dominant
c)
recessive
d)
blended
127.
An allele whose trait only shows up when no dominant allele is present.
a)
hidden allele
b)
dominant allele
c)
recessive allele
d)
present allele
128.
What law states that in Tt the person will only show the dominant allele
a)
law of segregation
b)
law of independent assortment
c)
law of dominance
d)
law of punnett squares
129.
The different forms of genes are known as
a)
environment
b)
probability
c)
traits
d)
alleles
130.
T - tall and t = short
In the punnett square below, what belongs in the missing square
a)
tt
b)
Tt
c)
Bb
d)
TT
131.
He is known as the father of modern day genetics.
a)
Gregory Mendel
b)
Greg Mendel
c)
Gregor Mendel
d)
Grace Mendel
132.

Which of the following laws claims that alleles will come together independently of each other in the offspring?

a)

Law of Independent Assortment

b)

Law of Probable Expression

c)

Law of Typical Collection

d)

Law of Assorted Assignment

133.

Which of the following laws claims that alleles will separate during meiosis, one going to half the sex cells, the other allele going to the other half.

a)

Law of Domination

b)

Law of Segregation

c)

Law of Speciation

d)

Law of Genetics

134.

What are the chances that two white flower (pp) pea plants could produce a purple flower pea plant?

a)

0%

b)

25%

c)

50%

d)

75%

135.
Traits that are controlled by genes found on an X-chromosome are said to be
a)
autosomal dominant
b)
autosomal recessive
c)
codominant
d)
sex-linked
136.

Which shape above represents a male in this pedigree?

a)

Circle

b)

Square

137.

If this pedigree shows a recessive disorder, what MUST the genotype of individual 4 be?

a)

HH

b)

Hh

c)

hh

138.
What is the gender of the individual whose karyotype is seen in the image?
a)
Male
b)
Female

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Life Science Advanced-End of Course Review

142 questions

Life Science Advanced-End of Course Review

quiz

Worksheet

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6th Grade

Windsor Life Science Review

136 questions

Windsor Life Science Review

quiz

Worksheet

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5th - 8th Grade

ultimate year 7 earth and space review

143 questions

ultimate year 7 earth and space review

quiz

Worksheet

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7th Grade

Earth Resources

136 questions

Earth Resources

quiz

Worksheet

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6th - 8th Grade