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Worksheets1st Semester Exam Review
Total questions: 39
Worksheet time: 10hrs 45mins
Name
Class
Date
1.
Which of the following structures would NOT be evidence that the cell is eukaryotic?
a)
mitochondria
b)
vaculoes
c)
cell walls
d)
internal membranes
2.
Which statement describes the major role of lipids within a cell?
a)
They cause DNA to replicate.
b)
They move RNA into the cytoplasm.
c)
They catalyze chemical reactions in the cell cytoplasm.
d)
They are the main structural components of membranes.
3.
Where would you expect to find a cell wall?
a)
a human skin cell
b)
a cell from an oak tree
c)
a blood cell from a cat
d)
a liver cell from a mouse
4.
enzymes that catalyze cellular reactions are macromolecules . These types of macromolecules are known as —
a)
starches
b)
proteins
c)
sugars
d)
fats
5.
Which what is the function of nucleic acids?
a)
stores genetic information and helps to make proteins
b)
increases the rate of chemical reactions
c)
stimulates metabolism in all body cells
d)
activates secretion of the body's hormones
6.
What type of molecule is the diagram showing
a)
lipid monomer
b)
protein monomer
c)
nucleic acid monomer
d)
carbohydrate monomer
7.
An enzyme-
a)
is not used up when catalyzing a reaction
b)
lowers the activation energy of a reaction
c)
bonds with a substrate molecule at the enzyme’s active site
d)
all of the above
8.
Which condition below might cause a cell to burst?
a)
a
b)
b
c)
c
d)
d
9.
Which of the following molecules is formed from a product of photosynthesis?
a)
a
b)
b
c)
c
d)
d
10.
A high-energy molecule is called
a)
ADP
b)
ATP
c)
DNA
d)
STP
11.
What equation BEST describes the process occurring at B?
a)
C6H12O6 + H2O → H2O + CO2
b)
O2 + C6H12O6 → H2O + CO2
c)
C6H12O6 + 6O2 → 6H2O + 6CO2
d)
H2O + O2 → C6H12O6 + CO2
12.
What equation describes the process occurring at A?
a)
6H2O +6CO2 → C6H12O6 + 6O2
b)
O2 + C6H12O6 → H2O + CO2
c)
H2O + O2 → C6H12O6 + H2O
d)
H2O + O2 → C6H12O6 + CO2
13.
how can the chromosomal numbers in mitosis be described?
a)
Diploid
b)
Polyploid
c)
Haploid
d)
Triploid
14.
Which phase of mitosis is shown?
a)
anaphase
b)
metaphase
c)
prophase
d)
telophase
15.
Which phase below would FOLLOW the phase shown above?
a)
Anaphase – the replicated chromosomes have separated and are moving toward the centrioles.
b)
Anaphase – the replicated chromosomes are aligning at the equator opposite the centrioles.
c)
Telophase – the chromosomes will uncoil and the nuclear envelope will re-form.
d)
Telophase – the sister chromatids will separate and become individual chromosomes
16.
What is a possible valid conclusion if the S phase is removed from the cell cycle?
a)
plasma membranes will dissociate into their component parts
b)
lysosome and Golgi body production will increase greatly
c)
chromosome duplication and replication of DNA will not occur
d)
ribosomes will increase the production of proteins
17.
Arrange the stages of the cell cycle shown above in order.
a)
I, II, III, IV, V, VI
b)
VI, II, I, IV, V, III
c)
III, VI, I, IV, II, V
d)
V, II, IV, I, II, VI
18.
A linear code of 3 sequential bases on one side of a RNA molecule is a -
a)
base pair
b)
amino acid
c)
codon
d)
gene
19.
A section of DNA has the following sequence of nitrogenous bases: C G A T T A C A G. Which of the following sequences would be produced as a result of transcription?
a)
C G T U U T C T G
b)
G C T A A T G T C
c)
C G A U U A C A G
d)
G C U A A U G U C
20.
Meiosis is a form of nuclear division that produces
a)
4 haploid cells
b)
2 diploid cells
c)
1 tripolid cell
d)
4 dipoid cells
21.
If black fur color is dominant over brown, the phenotype of the offspring indicated by box 3 given on the test cross would be—
a)
brown
b)
black
c)
a mixture of brown and black
d)
the phenotype cannot be determined
22.
Both the parents in the given cross are—
a)
heterozygous
b)
pure recessive
c)
homozygous dominant
d)
homozygous recessive
23.
Information in the karyotype below indicates that the individual is a
a)
female with sickle cell
b)
female with tay sachs
c)
female with down syndrome
d)
male with phenylketonuria
24.
Which of these cells uses sunlight to produce food?
a)
cell 1
b)
cell 2
c)
cell 3
d)
cell 4
25.
A sprig of elodea was placed in a test tube. The test tube was then placed in sunlight for 6 hours. In the leaves of the elodea plant energy from the dun is first used to make..
a)
carbohydrates
b)
lipids
c)
nucleic acid
d)
proteins
26.
A green pigment that traps energy from sunlight is
a)
ATP
b)
Beta-carotene
c)
chlorophyll
d)
thylakoid membranes
27.
A student in a science laboratory makes a chart to document the structures seen in three different cell samples. The student hypothesizes that sample 3 is a plant cell. What structure in sample 3 supports this hypothesis?
a)
cell wall
b)
mitochondria
c)
nucleus
d)
vacuole
28.
The gene for tallness (T) in a pea plant is dominant over the gene for shortness (t). The Punnett square below shows the cross between two tall pea plants (Tt). What is the phenotypic ratio of the offspring produced as a result of the cross?
a)
1:2:1
b)
9:3:3:1
c)
3:1
d)
2:1
29.
When you sweat this is an example of
a)
releasing enzymes
b)
decreasing respiration
c)
assimilating proteins
d)
maintaining homeostasis
30.
Which organelle produced proteins
a)
nucleus
b)
lysosome
c)
ribosome
d)
mitochondria
31.
A scientist crossed a tall pea plant with a short pea plant. All of the four hundred offspring produced were tall pea plants. Which of these explains the results?
a)
the allele for tall pea plants is dominant
b)
the offspring are homozygous dominant
c)
the allele for short pea plants is dominant
d)
the offspring inherited a new mutation
32.
In a dihybrid cross AaBb x AaBb, what fraction of the offspring will be homozygous for both revessive traits?
a)
1/16
b)
1/8
c)
3/16
d)
1/4
33.
ATP is used in photosynthesis and cellular respiration by
a)
to breakdown glucose and release energy
b)
to transfer energy from one molecule to the other
c)
to absorb electrons from water
d)
to work as an enzyme
34.
The diagram below shows a container divided into two compartments by a membrane permeable to water but not to starch. Two solutions containing different concentrations of of dissolved starch were placed on each side of the membrane. Which of the following describes what will happen to the water level during the process of osmosis?
a)
The water level will on both sides would decrease
b)
the water level on the right side of the membrane will increase
c)
the water level on the left side of the membrane will increase
d)
the water level on both sides of the membrane will stay the same.
35.
The genetic information is stored
a)
cell membrane
b)
vacuole
c)
cytoplasm
d)
nucleus
36.
Mitochondria allows for
a)
starch synthesis
b)
secretion
c)
energy transformation
d)
food storage
37.
Chloroplast is to _ as _ is to _
a)
respiration, mitochondria, photosynthesis
b)
photosynthesis, mitochondria, respiration
c)
respiration, cell membrane, photosynthesis
d)
photosynthesis, cell membrane, respiration
38.
What is broken down in cellular respiration
a)
Adenosine diphosphate
b)
glucose
c)
minerals
d)
ribonuclease
39.
Which organelle helps in the clean up of cells
a)
The golgi apparatus
b)
lysosomes
c)
ribosomes
d)
endoplasmic reticulum
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