tutorial for module by1101 practical revision: mcq adam kane (kanead@tcd.ie) by1101 introduction to...
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Tutorial for module BY1101Practical revision: MCQ
Adam Kane (kanead@tcd.ie)
BY1101 Introduction to Molecular and Cellular Biology 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. Electron microscopyB. Scanning probe microscopyC. Light microscopyD. Laser microscopyE. Ultraviolet microscopy
BY1101 Introduction to Molecular and Cellular Biology
Q. 2 What is the standard metric unit of length?
A. FeetB. InchC. MetreD. YardE. Furlong
BY1101 Introduction to Molecular and Cellular Biology
Q. 3 What type of cell is displayed in the image below?
A. An eukaryotic plant cellB. A prokaryotic bacterial cellC. An eukaryotic animal cellD. An eukaryotic bacterial cellE. 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. HaemolysisB. PlasmolysisC. CrenationD. Turgor pressureE. 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. 0.5 M KCL (Potassium chloride)B. 0.8 M SucroseC. 0.5 M KSCN (Potassium thiocyanate)D. 0.5 M SucroseE. 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. ThreeB. FiveC. SixD. TwoE. 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. ErythrocyteB. MonocyteC. LymphocyteD. NeutrophilE. 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. ConidiaB. SporeC. PhialidesD. HyphaE. 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. MitochondriaB. NucleusC. Central vacuoleD. ChloroplastE. Cell wall
BY1101 Introduction to Molecular and Cellular Biology
Q. 10 What stage of mitosis is demonstrated in the image below?
A. InterphaseB. ProphaseC. MetaphaseD. AnaphaseE. Telophase
BY1101 Introduction to Molecular and Cellular Biology
Q. 11 What stage of mitosis is demonstrated in the image below?
A. InterphaseB. ProphaseC. MetaphaseD. AnaphaseE. 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?
A. 176-180cmB. 166-170cmC. 181-185cmD. 151-155cmE. 161-165cm
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. 180cmB. 169.2cmC. 161.8cmD. 173.4cmE. 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. Autosomal dominantB. Sex-linked dominantC. Sex-linked recessiveD. Autosomal recessiveE. 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. Autosomal dominantB. Sex-linked dominantC. Sex-linked recessiveD. Autosomal recessiveE. 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. Autosomal dominantB. Sex-linked dominantC. Sex-linked recessiveD. Autosomal recessiveE. 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. PassiveB. EfficaciousC. CytolyticD. AsepticE. 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. PinkB. PurpleC. WhiteD. GreenE. Black
BY1101 Introduction to Molecular and Cellular Biology
Q. 19 S. aureus, a common pathogenic organism of humans, releases a membrane-damaging cytolytic agent, β-lysin, that results in ______.
A. PlasmolysisB. HaemolysisC. ApoptosisD. Cell growthE. 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. The bacteria culture is unaffected by the antibioticB. The entire culture is killed by the effects of the antibioticC. A zone of inhibition will develop around the antibiotic pelletD. The bacteria will evolve resistanceE. 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. Electron microscopyB. Scanning probe microscopyC. Light microscopyD. Laser microscopyE. Ultraviolet microscopy
BY1101 Introduction to Molecular and Cellular Biology
Q.2 What is the standard metric unit of length?
A. FeetB. InchC. MetreD. YardE. Furlong
BY1101 Introduction to Molecular and Cellular Biology
Q. 3 What type of cell is displayed in the image below?
A. An eukaryotic plant cellB. A prokaryotic bacterial cellC. An eukaryotic animal cellD. An eukaryotic bacterial cellE. 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. HaemolysisB. PlasmolysisC. CrenationD. Turgor pressureE. 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. 0.5 M KCL (Potassium chloride)B. 0.8 M SucroseC. 0.5 M KSCN (Potassium thiocyanate)D. 0.5 M SucroseE. 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. ThreeB. FiveC. SixD. TwoE. 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. ErythocyteB. MonocyteC. LymphocyteD. NeutrophilE. Platelet
Monocyte
Lymphocyte
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. ConidiaB. SporeC. PhialidesD. HyphaE. 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. MitochondriaB. NucleusC. Central vacuoleD. ChloroplastE. Cell wall
BY1101 Introduction to Molecular and Cellular Biology
Q. 10 What stage of mitosis is demonstrated in the image below?
A. InterphaseB. ProphaseC. MetaphaseD. AnaphaseE. Telophase
Anaphase TelophaseMetaphaseProphaseInterphase
BY1101 Introduction to Molecular and Cellular Biology
Q. 11 What stage of mitosis is demonstrated in the image below?
A. InterphaseB. ProphaseC. MetaphaseD. AnaphaseE. Telophase
Anaphase TelophaseMetaphaseProphaseInterphase
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?
A. 176-180cmB. 166-170cmC. 181-185cmD. 151-155cmE. 161-165cm
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. 180cmB. 169.2cmC. 161.8cmD. 173.4cmE. 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. Autosomal dominantB. Sex-linked dominantC. Sex-linked recessiveD. Autosomal recessiveE. None of the above
aa AA
Aa Aa Aa Aaaa
aa Aa
Aa aa
Aaaaaa
aaaaaaAa Aa
Three genotypes
Homozygous dominant (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. Autosomal dominantB. Sex-linked dominantC. Sex-linked recessiveD. Autosomal recessiveE. None of the above
AaAa
Aa Aa aa aa Aa
aaaaaa
aa Aa Three genotypes
Homozygous dominant (AA)
Heterozygous (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. Autosomal dominantB. Sex-linked dominantC. Sex-linked recessiveD. Autosomal recessiveE. None of the above
xx XY
XY xX xY xX xY xx
xY xY xYxxxX xXXY
X-linked genotypes
X-linked recessive (xx/xY)
X-linked dominant(xX/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. PassiveB. EfficaciousC. CytolyticD. AsepticE. 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. PinkB. PurpleC. WhiteD. GreenE. Black
BY1101 Introduction to Molecular and Cellular Biology
Q. 19 S. aureus, a common pathogenic organism of humans, releases a membrane-damaging cytolytic agent, β-lysin, that results in ______.
A. PlasmolysisB. HaemolysisC. ApoptosisD. Cell growthE. 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. The bacteria culture is unaffected by the antibioticB. The entire culture is killed by the effects of the antibioticC. A zone of inhibition will develop around the antibiotic pelletD. The bacteria will evolve resistanceE. 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
BY1101 Introduction to Molecular and Cellular Biology
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