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WorksheetsBiology DCA #2 Review
Total questions: 50
Worksheet time: 50mins
Name
Class
Date
1.
Where in the cell does cell respiration occur?
a)
chloroplast
b)
central vacuole
c)
mitochondria
d)
cell membrane
2.
All carbohydrates end what letters?...
a)
tes
b)
glu
c)
ase
d)
ose
3.
Which main type of cell is large and complex with membrane bound organelles?
a)
prokaryote
b)
eukaryote
c)
plant
d)
animal
4.
If you place a freshwater cell in a salt water solution, what happens to the cell?
a)
nothing
b)
stays the same
c)
swells
d)
shrinks
5.
Which direction does water move in a hypotonic solution?
a)
water moves out of the cell
b)
solutions moves into the cell
c)
water moves into the cell
d)
solution moves out of the cell
6.
Active transport requires the cell to move materials against the concentration gradient, what molecule is required for this to occur?
a)
ADP
b)
ATP
c)
carbohydrates
d)
lipids
7.
Where in the cell does photosynthesis occur?
a)
chloroplast
b)
mitochondria
c)
plasma membrane
d)
none of these
8.
This molecule stores and transmits our genetic information and remains in the nucleus
a)
rRNA
b)
trna
c)
DNA
d)
mRNA
9.
Which statement about viral reproduction is correct?
a)
A virus must complete interphase before entering mitosis
b)
A virus cannot repdouce on its own and depends on the host cell
c)
A virus can only use a host to reproduce if the host cell lacks a cell membrane
10.
Which of the following would be the RNA strand transcribed from the following DNA strand: ATTGGCTAG?
a)
UAAGGTTCA
b)
TTAGCCTTT
c)
UAACCGAUC
d)
TTAUUCCTU
11.
Which of the following is NOT found in the DNA of all organisms?
a)
Phosphate
b)
Guanine
c)
Deoxyribose
d)
Uracil
12.
In animals, sexual reproduction depends on the production of gametes. Which of the following processes produces gametes in animals?
a)
Meiosis
b)
Binary fission
c)
Mitosis
d)
Fragmentation
13.
Which of the following biomolecules contains the most energy?
a)
Lipids
b)
Carbohydrates
c)
Nucleic Acids
d)
Proteins
14.
Which of the following biomolecules provides energy the quickest?
a)
Lipids
b)
Carbohydrates
c)
Nucleic Acids
d)
Proteins
15.
Which of the following biomolecules carries genetic information?
a)
Lipids
b)
Carbohydrates
c)
Nucleic Acids
d)
Proteins
16.
Which statement describes how lipids and carbohydrates are similar?
a)
They are both made of fat
b)
They are both made of sugar
c)
They both are bad for you
d)
They both provide energy
17.
A DNA strand contains codons, which consist of a sequence of 3 nucleotides. Which BEST describes the importance of codons found in the sequence of DNA?
a)
They contain the code for mRNA
b)
They signal the start of mitotic cell division
c)
They ensure proper replication of the genetic code
d)
They are used to assemble amino acids for protein synthesis
18.
What happens in G1 of the cell cycle?
a)
cell divides
b)
DNA replicates
c)
cell multiplies
d)
cell grows
19.
Which of the following is an example of a homozygous dominant genotype?
a)
BB
b)
Bb
c)
bB
d)
bb
20.
A change in DNA is called a __________________.
a)
Nucleotide
b)
Mutation
c)
Radiation
d)
Transcription
21.
If a homozygous dominant (AA) individual is crossed to a homozygous recessive (aa) individual, what will the genotypes be of the offspring?
a)
50% AA, 50% aa
b)
25% AA, 50% Aa, 25% aa
c)
100% Aa
d)
50% AA, 50% Aa
22.
What is meant by the term "genetic variation?"
a)
Some individuals have the same genes as others
b)
Some genes are multiplied in tetraploid organisms
c)
Some chromosomes are longer than others
d)
Some individuals have different genes than others
23.
Which of the following would be the RNA strand transcribed from the following DNA strand: ATTGGCTAG?
a)
UAAGGTTCA
b)
TTAGCCTTT
c)
UAACCGAUC
d)
TTAUUCCTU
24.
Which correctly places the stages of mitosis in order?
a)
metaphase, prophase, interphase, telophase
b)
metaphase, prophase, interphase, telophase
c)
prophase, metaphase, anaphase, telophase
d)
prophase, metaphase, anaphase, cytokinesis
25.
Where are the chromosomes located during metaphase?
a)
lined up around the nucleus
b)
lined up in the middle of the nucleus
c)
scattered around the nucleus
d)
outside the nucleus
26.
The diffusion of water is called
a)
active transport
b)
osmosis
c)
endocytosis
27.
Which of the following is found in plant cells but not in animal cells?
a)
Cytoplasm
b)
Mitochondria
c)
Cell Wall
d)
Ribosomes
28.
Why are most enzymes destroyed by high temperature?
a)
Changes their shape
b)
Changes their pH
c)
Changes their amino acid sequence
d)
Causes them to break into pieces
29.
What is the primary function of the cell's selectively permeable membrane?
a)
Regulate energy production
b)
Keeps the cell's shape
c)
Control what enters and leaves the cell
d)
Maintain a free flow of molecules
30.
Permeable means
a)
things can pass through
b)
the concentration levels are different
c)
it is permanent
d)
things are stuck
31.
If there is 5 percent water inside a cell and 5 percent water outside a cell
a)
more water will move inside the cell
b)
more water will move outside the cell
c)
There will be no movement of water
32.
When both inside and outside of a cell have the same amount of water it is said that the cell has reached a state of
a)
Osmosis
b)
Diffusion
c)
Equilibrium
33.
In a solution of water and salt, salt is considered the _______.
a)
solvent
b)
solute
c)
solution
34.
In a scenario, salt is placed into a bowl of water. What is the solvent?
a)
salt
b)
water
c)
saltwater
35.
What does “high concentration area” mean?
a)
Spread out
b)
Tightly packed together
c)
Uncrowded
d)
Spacious
36.
An animal cell placed in a hypertonic (salty) solution will
a)
Shrink
b)
Swell
c)
Stay the same
37.
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
38.
Genotype refers to the ...
a)
physical expression of the genes
b)
the possible combination of alleles in a gene
c)
whether an allele is dominant or recessive
d)
how an organism will appear
39.
What is a phenotype
a)
The genetic make up (code)
b)
The physical trait
40.
having two of the same genes for the trait (sometimes called purebred).
a)
homozygous
b)
hetrozygous
c)
protein
d)
chromosome
41.
having two different genes for a trait (sometimes called hybrid).
a)
protein
b)
homozygous
c)
heterozygous
d)
genotype
42.
G = green, g = yellow
The genotype for a yellow plant is...
The genotype for a yellow plant is...
a)
GG
b)
Gg
c)
gg
d)
all of the choices result in yellow
43.
Term for an organism that display two dominant phenotypes at the same time
a)
codominance
b)
incomplete dominance
c)
multiple alleles
d)
linked genes
44.
Sex cells are produced through the process of
a)
mitosis
b)
cytokinesis
c)
binary fission
d)
meiosis
45.
What does heterozygous mean?
a)
An organism that has the same genes for a trait (TT or tt)
b)
An organism that has different genes for a trait (Tt)
c)
When neither gene is fully dominant; offspring is a mixture of both
d)
the different forms of a trait (hair color--> brown, blonde, red
46.
Incomplete dominance means that the traits are
a)
expressed equally
b)
dominant
c)
recessive
d)
blended
47.
What is one way that a lysogenic infection differs from a lytic infection?
a)
A lysogenic virus does not act on bacteria as a lytic virus does.
b)
A lysogenic virus can remain in the host DNA for a longer period without becoming active.
c)
A lysogenic virus contains RNA instead of DNA.
d)
A lysogenic virus directs the production of new viruses right away.
48.
The lytic cycle takes the longest out of the two viral reproductive cycles.
a)
True
b)
False
49.
What is the lytic and lysogenic cycle have in common?
a)
The host cell dies
b)
The virus dies
c)
The virus inserts its genetic information into the host cell
d)
copies of the virus are immediately released from the host
50.
This infectious viral disease has many symptoms, from chills, fever, and aching muscles to coughing and sneezing to nausea and vomiting. The symptoms show up within 2-7 days after the cell is infected. This is an example of?
a)
Lytic Cycle
b)
Lysogenic Cycle
c)
Meiosis
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