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Worksheets8th grade Life Science Final Quiz
Total questions: 59
Worksheet time: 2hrs 44mins
Name
Class
Date
1.
Which sequence of complementary DNA bases would pair with this partial strand
ATG TGA CAG?
ATG TGA CAG?
a)
ATG TGA CAG
b)
TAC ACT GTC
c)
GTA AGT GAC
d)
CAT TCA CTG
2.
Which of the following best describes a DNA molecule?
a)
double helix
b)
contains ribose
c)
made of amino acids
d)
contains uracil
3.
Which of the following monomers are repeatedly joined together to form a strand of DNA?
a)
amino acids
b)
nucleotides
c)
fatty acids
d)
polysaccharides
4.
Proteins are made of monomers called ___________
a)
Nucleotides
b)
Monosaccharides
c)
Amino Acids
d)
Glycerol and fatty acids
5.
DNA and RNA are examples of
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
6.
Monosaccharides are monomers of
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
7.
Waxes, oils and fats are examples of
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
8.
The way energy is passed from one organism to another
a)
food chain
b)
energy
c)
extinct
d)
habitat
9.
Examples of a producer
a)
frog
b)
algae
c)
worm
d)
mouse
10.
Which of these organisms would receive energy from the snake?
a)
Plant
b)
Rabbit
c)
Mouse
d)
Hawk
11.
An animal can blend in with its surrounding by using __________________
a)
migration
b)
camouflage
c)
hibernation
d)
prey
12.
Scientists who study fossils are called
a)
Geologists
b)
Paleontologists
c)
Fossil Scientists
d)
Meteorologists
13.
What type of fossil is this?
a)
Mold
b)
Cast
c)
Preserved remains
d)
Trace fossil
14.
Which layer is oldest?
a)
A
b)
W
c)
G
d)
Z
15.
How old do some Paleontologists theorize the Earth is?
a)
2015 years old
b)
3.6 billion years old
c)
4.6 billion years old
d)
4.6 million years old
16.
Some scientists believe the era that dinosaurs ruled the Earth's land, air and oceans was
a)
Cenozoic
b)
Paleozoic
c)
Precambrian
d)
Mesozoic
17.
Which rock layer contains the newest fossils?
a)
F
b)
E
c)
B
d)
C
18.
Which of the following is the smallest unit of life that can carry out all life functions?
a)
the mitochondria
b)
the vacuoles
c)
the nucleus
d)
the cell
19.
Which structures are found in every living cell?
a)
cell membrane and cytoplasm
b)
chloroplasts and mitochondria
c)
a cell wall and nucleus
d)
chloroplasts and cell wall
20.
Which cell structure is found in plant and animals cells and controls what can come into or leave a cell?
a)
cell membrane
b)
cytoplasm
c)
nucleus
d)
vacuole
21.
What is the function of the cell nucleus found in both plant and animal cells?
a)
to produce energy
b)
to control cell activity
c)
to remove waste products
d)
to allow molecules to enter the cell
22.
What is one basic function of the vacuoles?
a)
circulating oxygen
b)
producing food
c)
controlling cell processes
d)
storing water
23.
Chloroplasts in plant cells allow the plant to perform a function that animal cells cannot do. What is the main function of the chloroplasts found in plant cells?
a)
to absorb light energy and manufacture food
b)
to remove waste materials by active transport
c)
to manufacture chemical energy from food
d)
to control the shape of the cell
24.
All cells need energy to function. Which cell organelle is responsible for producing energy in the cell?
a)
chloroplasts
b)
mitochondria
c)
nucleus
d)
vacuoles
25.
In what part of the plant cell does the process of photosynthesis take place?
a)
nucleus
b)
mitochondria
c)
chloroplasts
d)
vacuoles
26.
Cells with a nucleus and membrane-bound organelles are called ____________________.
a)
prokaryotes
b)
eukaryotes
c)
bacteria
d)
protists
27.
The process by which the body breaks down food so that it can be used for energy.
a)
composition
b)
digestion
c)
deposition
d)
absorption
28.
The muscular organ in the body where chemical and mechanical digestion take place.
a)
pancreas
b)
liver
c)
stomach
d)
esophagus
29.
A long folded tube inside the body attached to the stomach where nutrients in the food are absorbed.
a)
large intestine
b)
small intestine
c)
esophagus
d)
rectum
30.
A muscular tube that helps move food from the mouth to the stomach.
a)
esophagus
b)
trachaea
c)
small intestine
d)
gall bladder
31.
How many arms does a squid have?
a)
10
b)
2
c)
8
d)
0
32.
What is this called?
a)
Testicle
b)
Buccal Mass
c)
Chromatophore
d)
Gonad
33.
The DNA sequence ATCAGCGCTGGC is part of a gene. how many amino acids are coded for by this message?
a)
4
b)
8
c)
12
d)
20
34.
The process to go from DNA to mRNA is _______
a)
translation
b)
transcription
c)
replication
35.
The process to go from mRNA to a protein is called ____
a)
transcription
b)
rRNA
c)
replication
d)
translation
36.
DNA holds the code for
a)
lipids
b)
carbohydrates
c)
protein
d)
sugar
37.
Which of the following is an example of a homozygous dominant genotype?
a)
BB
b)
Bb
c)
bB
d)
bb
38.
A change in DNA is called a __________________.
a)
Nucleotide
b)
Mutation
c)
Radiation
d)
Transcription
39.
The human body has 23 homologous pairs of chromosomes. How many chromosomes does a somatic cell have?
a)
12
b)
23
c)
46
d)
92
40.
What phase of mitosis is shown in the picture?
a)
Prophase
b)
Anaphase
c)
Telophase
d)
Metaphase
41.
Chromatid pairs line up in the middle of the cell.
a)
Metaphase
b)
Telophase
c)
Anaphase
d)
Interphase
42.
A new organism is produced from one parent organism.
a)
Sexual Reproduction
b)
Asexual Reproduction
43.
What phase of mitosis is shown in the picture?
a)
Prophase
b)
Anaphase
c)
Telophase
d)
Metaphase
44.
Chromosomes duplicate, the cell grows and develops
a)
Metaphase
b)
Telophase
c)
Interphase
d)
Anaphase
45.
What phase of mitosis is shown in the picture?
a)
Prophase
b)
Anaphase
c)
Telophase
d)
Metaphase
46.
How many chromosomes does a human cell have?
a)
42
b)
46
c)
24
d)
64
47.
Which of the following lists, in order, the phases of mitosis?
a)
interphase, metaphase, anaphase, telophase
b)
prophase, metaphase, anaphase, telophase
c)
prophase, metaphase, anaphase, interphase
d)
prophase, anaphase, metaphase, telophase
48.
How many daughter cells are produced in mitosis?
a)
1
b)
2
c)
4
d)
6
49.
What causes genetic variation in meiosis?
a)
chromosomes lining up
b)
crossing over of chromosomes
c)
separation of chromosomes
d)
chromosomes pulling apart
50.
What kind of cells are made in MEIOSIS?
a)
Haploid cells
b)
Diploid Cells
c)
Skin Cells
d)
Liver Cells
51.
If the Diploid number of Carrots is 18, the haploid number is
a)
18
b)
9
c)
27
d)
36
52.
The process of crossing over occurs in what phase of meiosis?
a)
anaphase 1
b)
prophase 1
c)
prophase 2
d)
telophase 1
53.
The chromosomes that pair up during meiosis, are called __________ chromosomes.
a)
homozygous
b)
asexual
c)
homologous
d)
genes
54.
Crossing over creates
a)
male genotype
b)
genetic variation (differences)
c)
DNA replication
d)
mitosis
55.
Which cellular process is shown?
a)
meiosis
b)
endocytosis
c)
mitosis
d)
phagocytosis
56.
What phase is represented?
a)
metaphase 1
b)
metaphase 2
c)
anaphase 1
d)
anaphase 2
57.
A human zygote should have _____ chromosomes inside.
a)
46
b)
23
c)
92
d)
64
58.
Meiosis makes sperm and egg cells. In humans, sperm and egg cells each have _____ chromosomes. Therefore a fertilized human egg cell (sperm and egg cell combined) would create a cell with _____ chromosomes.
a)
23, 46
b)
46, 23
c)
2, 4
d)
50, 100
59.
How many daughter cells does Meiosis create?
a)
2
b)
4
c)
8
d)
1
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