BY1101 Introduction to Molecular and Cellular Biology
Tutorial for module BY1101
Practical revision: MCQ
Adam Kane (kanead@tcd.ie)
BY1101 Introduction to Molecular and Cellular Biology
BY1101: Practical MCQ
• Multiple choice questions
• 20 questions (Slide will change every minute)
• Self assessment
Disclaimer
•Tutors have not seen previous papers
•We don’t know what will be on the test
•Questions asked are based on information asked
of you within your practical books
BY1101 Introduction to Molecular and Cellular Biology
Q. 1 What type of microscopy was used within your practicals?
A.
B.
C.
D.
E.
Electron microscopy
Scanning probe microscopy
Light microscopy
Laser microscopy
Ultraviolet microscopy
BY1101 Introduction to Molecular and Cellular Biology
Q. 2 What is the standard metric unit of length?
A.
B.
C.
D.
E.
Feet
Inch
Metre
Yard
Furlong
BY1101 Introduction to Molecular and Cellular Biology
Q. 3 What type of cell is displayed in the image below?
A.
B.
C.
D.
E.
An eukaryotic plant cell
A prokaryotic bacterial cell
An eukaryotic animal cell
An eukaryotic bacterial cell
None of the above
BY1101 Introduction to Molecular and Cellular Biology
Q. 4 Which term best describes the condition of plant cells when placed in a
hypertonic solution?
A.
B.
C.
D.
E.
Haemolysis
Plasmolysis
Crenation
Turgor pressure
Osmotic pressure
BY1101 Introduction to Molecular and Cellular Biology
Q. 5 Within your practical, which of the following solutions caused the plant cells
to undergo plasmolysis at the fastest rate?
A.
B.
C.
D.
E.
0.5 M KCL (Potassium chloride)
0.8 M Sucrose
0.5 M KSCN (Potassium thiocyanate)
0.5 M Sucrose
Water
BY1101 Introduction to Molecular and Cellular Biology
Q. 6 Within your practical, how many stages of plasmolysis were distinguishable in
the onion epidermal cells?
A.
B.
C.
D.
E.
Three
Five
Six
Two
Stages are indistinguishable in onion epidermal cells
BY1101 Introduction to Molecular and Cellular Biology
Q. 7 Within the image below, what type of cell is indicated by the arrow?
A.
B.
C.
D.
E.
Erythrocyte
Monocyte
Lymphocyte
Neutrophil
Platelet
BY1101 Introduction to Molecular and Cellular Biology
Q. 8 If you look at Penicillium inoculates under a microscope you will see the
following structure. What structure of Penicillium is labelled in the image below?
A.
B.
C.
D.
E.
Conidia
Spore
Phialides
Hypha
Conidiophore
BY1101 Introduction to Molecular and Cellular Biology
Q. 9 Plant cell protoplasts are shown in the image below. “Protoplasts” refer to
cells that are missing what component of the normal plant cell?
A.
B.
C.
D.
E.
Mitochondria
Nucleus
Central vacuole
Chloroplast
Cell wall
BY1101 Introduction to Molecular and Cellular Biology
Q. 10 What stage of mitosis is demonstrated in the image below?
A.
B.
C.
D.
E.
Interphase
Prophase
Metaphase
Anaphase
Telophase
BY1101 Introduction to Molecular and Cellular Biology
Q. 11 What stage of mitosis is demonstrated in the image below?
A.
B.
C.
D.
E.
Interphase
Prophase
Metaphase
Anaphase
Telophase
BY1101 Introduction to Molecular and Cellular Biology
Q. 12 From a height distribution study performed within the junior freshman class,
which is the most common height for females?
176-180cm
166-170cm
181-185cm
151-155cm
161-165cm
Height Distribution (by sex - 2009/10)
30
25
20
Frequency
A.
B.
C.
D.
E.
Males
Females
15
10
5
0
151155
156160
161165
166170
171175
176180
Height (cm)
181185
186190
191195
196200
BY1101 Introduction to Molecular and Cellular Biology
Q. 13 Five students had their height measured with the following results: Student A
(172cm); Student B (180cm); Student C (158cm); Student D (166cm); Student E
(170cm). What is the mean height demonstrated amongst these five students?
A.
B.
C.
D.
E.
180cm
169.2cm
161.8cm
173.4cm
155cm
BY1101 Introduction to Molecular and Cellular Biology
Q. 14 Examine the following pedigree, within which the existence of an individual
with a particular hereditary trait is indicated by a shaded symbol. What type of
pedigree and allele is most likely to cause this trait?
A.
B.
C.
D.
E.
Autosomal dominant
Sex-linked dominant
Sex-linked recessive
Autosomal recessive
None of the above
BY1101 Introduction to Molecular and Cellular Biology
Q. 15 Examine the following pedigree, within which the existence of an individual
with a particular hereditary trait is indicated by a shaded symbol. What type of
pedigree and allele is most likely to cause this trait?
A.
B.
C.
D.
E.
Autosomal dominant
Sex-linked dominant
Sex-linked recessive
Autosomal recessive
None of the above
BY1101 Introduction to Molecular and Cellular Biology
Q. 16 Examine the following pedigree, within which the existence of an individual
with a particular hereditary trait is indicated by a shaded symbol. What type of
pedigree and allele is most likely to cause this trait?
A.
B.
C.
D.
E.
Autosomal dominant
Sex-linked dominant
Sex-linked recessive
Autosomal recessive
None of the above
BY1101 Introduction to Molecular and Cellular Biology
Q. 17 What type of technique is used to transfer inoculates from a microbial colony
to achieve a pure colony?
A.
B.
C.
D.
E.
Passive
Efficacious
Cytolytic
Aseptic
Active
BY1101 Introduction to Molecular and Cellular Biology
Q. 18 Staphylococcus aureus is a gram positive bacteria. When gram stained, what
colour will S. aureus be stained?
A.
B.
C.
D.
E.
Pink
Purple
White
Green
Black
BY1101 Introduction to Molecular and Cellular Biology
Q. 19 S. aureus, a common pathogenic organism of humans, releases a membranedamaging cytolytic agent, β-lysin, that results in ______.
A.
B.
C.
D.
E.
Plasmolysis
Haemolysis
Apoptosis
Cell growth
Bacteriastatic effects
BY1101 Introduction to Molecular and Cellular Biology
Q. 20 A susceptible strain of S. aureus is growing on an Agar plate. You treat the
plate with an antibiotic pellet. What do you expect to happen on the plate?
A.
B.
C.
D.
E.
The bacteria culture is unaffected by the antibiotic
The entire culture is killed by the effects of the antibiotic
A zone of inhibition will develop around the antibiotic pellet
The bacteria will evolve resistance
Incubation of the plate at 37°C reduces the effects of the antibiotic
BY1101 Introduction to Molecular and Cellular Biology
Time is up
• Pass your answers to your neighbour and we
will correct
BY1101 Introduction to Molecular and Cellular Biology
Q. 1 What type of microscopy was used within your practicals?
A.
B.
C.
D.
E.
Electron microscopy
Scanning probe microscopy
Light microscopy
Laser microscopy
Ultraviolet microscopy
BY1101 Introduction to Molecular and Cellular Biology
Q.2 What is the standard metric unit of length?
A.
B.
C.
D.
E.
Feet
Inch
Metre
Yard
Furlong
BY1101 Introduction to Molecular and Cellular Biology
Q. 3 What type of cell is displayed in the image below?
A.
B.
C.
D.
E.
An eukaryotic plant cell
A prokaryotic bacterial cell
An eukaryotic animal cell
An eukaryotic bacterial cell
None of the above
BY1101 Introduction to Molecular and Cellular Biology
Q. 4 Which term best describes the condition of plant cells when placed in a
hypertonic solution?
A.
B.
C.
D.
E.
Haemolysis
Plasmolysis
Crenation
Turgor pressure
Osmotic pressure
BY1101 Introduction to Molecular and Cellular Biology
Q. 5 Within your practical, which of the following solutions caused the plant cells
to undergo plasmolysis at the fastest rate?
A.
B.
C.
D.
E.
0.5 M KCL (Potassium chloride)
0.8 M Sucrose
0.5 M KSCN (Potassium thiocyanate)
0.5 M Sucrose
Water
BY1101 Introduction to Molecular and Cellular Biology
Q.6 Within your practical, how many stages of plasmolysis were distinguishable in
the onion epidermal cells?
A.
B.
C.
D.
E.
Three
Five
Six
Two
Stages are indistinguishable in onion epidermal cells
BY1101 Introduction to Molecular and Cellular Biology
Q. 7 Within the image below, what type of cell is indicated by the arrow?
A.
B.
C.
D.
E.
Erythocyte
Monocyte
Lymphocyte
Neutrophil
Platelet
Lymphocyte
Monocyte
BY1101 Introduction to Molecular and Cellular Biology
Q. 8 If you look at Penicillium inoculates under a microscope you will see the
following structure. What structure of Penicillium is labelled in the image below?
A.
B.
C.
D.
E.
Conidia
Spore
Phialides
Hypha
Conidiophore
BY1101 Introduction to Molecular and Cellular Biology
Q. 9 Plant cell protoplasts are shown in the image below. “Protoplasts” refer to
cells that are missing what component of the normal plant cell?
A.
B.
C.
D.
E.
Mitochondria
Nucleus
Central vacuole
Chloroplast
Cell wall
BY1101 Introduction to Molecular and Cellular Biology
Q. 10 What stage of mitosis is demonstrated in the image below?
A.
B.
C.
D.
E.
Interphase
Prophase
Metaphase
Anaphase
Telophase
Interphase
Prophase
Metaphase
Anaphase
Telophase
BY1101 Introduction to Molecular and Cellular Biology
Q. 11 What stage of mitosis is demonstrated in the image below?
A.
B.
C.
D.
E.
Interphase
Prophase
Metaphase
Anaphase
Telophase
Interphase
Prophase
Metaphase
Anaphase
Telophase
BY1101 Introduction to Molecular and Cellular Biology
Q. 12 From a height distribution study performed within the junior freshman class,
which is the most common height for females?
176-180cm
166-170cm
181-185cm
151-155cm
161-165cm
Height Distribution (by sex - 2009/10)
30
25
20
Frequency
A.
B.
C.
D.
E.
Males
Females
15
10
5
0
151155
156160
161165
166170
171175
176180
Height (cm)
181185
186190
191195
196200
BY1101 Introduction to Molecular and Cellular Biology
Q. 13 Five students had their height measured with the following results: Student A
(172cm); Student B (180cm); Student C (158cm); Student D (166cm); Student E
(170cm). What is the mean height demonstrated amongst these five students?
A.
B.
C.
D.
E.
180cm
169.2cm
161.8cm
173.4cm
155cm
BY1101 Introduction to Molecular and Cellular Biology
Q. 14 Examine the following pedigree, within which the existence of an individual
with a particular hereditary trait is indicated by a shaded symbol. What type of
pedigree and allele is most likely to cause this trait?
A.
B.
C.
D.
E.
Autosomal dominant
Sex-linked dominant
Sex-linked recessive
Autosomal recessive
None of the above
Three genotypes
aa
aa
aa
Aa
Aa
AA
Aa
Aa
Aa
aa
Aa
aa
aa
Aa aa
aa
aa
Aa
Homozygous
dominant (AA)
Aa
Heterozygous (Aa)
Homozygous
recessive (aa)
BY1101 Introduction to Molecular and Cellular Biology
Q. 15 Examine the following pedigree, within which the existence of an individual
with a particular hereditary trait is indicated by a shaded symbol. What type of
pedigree and allele is most likely to cause this trait?
A.
B.
C.
D.
E.
Autosomal dominant
Sex-linked dominant
Sex-linked recessive
Autosomal recessive
None of the above
Aa
aa
Aa
Aa
Three genotypes
Homozygous
dominant (AA)
Aa
Aa
aa
aa
Aa
Heterozygous (Aa)
aa
aa
aa
Homozygous
recessive (aa)
BY1101 Introduction to Molecular and Cellular Biology
Q. 16 Examine the following pedigree, within which the existence of an individual
with a particular hereditary trait is indicated by a shaded symbol. What type of
pedigree and allele is most likely to cause this trait?
A.
B.
C.
D.
E.
Autosomal dominant
Sex-linked dominant
Sex-linked recessive
Autosomal recessive
None of the above
xx
X-linked genotypes
XY
X-linked recessive
(xx/xY)
XY
xX
xY
xY
xX
XY
xX
xX
xY
xY
xx
xx
X-linked dominant
(xX/XY)
xY
BY1101 Introduction to Molecular and Cellular Biology
Q. 17 What type of technique is used to transfer inoculates from a colony to
achieve a pure colony?
A.
B.
C.
D.
E.
Passive
Efficacious
Cytolytic
Aseptic
Active
BY1101 Introduction to Molecular and Cellular Biology
Q. 18 Staphylococcus aureus is a gram positive bacteria. When gram stained, what
colour will S. aureus be stained?
A.
B.
C.
D.
E.
Pink
Purple
White
Green
Black
BY1101 Introduction to Molecular and Cellular Biology
Q. 19 S. aureus, a common pathogenic organism of humans, releases a membranedamaging cytolytic agent, β-lysin, that results in ______.
A.
B.
C.
D.
E.
Plasmolysis
Haemolysis
Apoptosis
Cell growth
Bacteriastatic effects
BY1101 Introduction to Molecular and Cellular Biology
Q. 20 A susceptible strain of S. aureus is growing on an Agar plate. You treat the
plate with an antibiotic pellet. What do you expect to happen on the plate?
A.
B.
C.
D.
E.
The bacteria culture is unaffected by the antibiotic
The entire culture is killed by the effects of the antibiotic
A zone of inhibition will develop around the antibiotic pellet
The bacteria will evolve resistance
Incubation of the plate at 37°C reduces the effects of the antibiotic
BY1101 Introduction to Molecular and Cellular Biology
How did you do?
BY1101 Introduction to Molecular and Cellular Biology
Link for studying pedigrees
https://www.youtube.com
/watch?v=-Ztzi6pAh5M
BY1101 Introduction to Molecular and Cellular Biology
For the exam:
Read over the practical book (all aspects)
Exam is worth ~22% of BY1101 module
45 minutes – 30 questions (1 question every 90 secs)
Exam is non-negative marking so attempt all questions
BY1101 Introduction to Molecular and Cellular Biology
Tutorials will return in the New Year
Check your emails
Otherwise, have a joyous
Christmas and wonderful
New Year