Tutorial for module BY1101 Practical revision: MCQ Adam Kane ([email protected]) BY1101 Introduction to Molecular and Cellular Biology.

Tutorial for module BY1101Practical revision: MCQ

Adam Kane ([email protected])

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


Q. 2 What is the standard metric unit of length?

A. FeetB. InchC. MetreD. YardE. Furlong


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


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


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


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


Q. 7 Within the image below, what type of cell is indicated by the arrow?

A. ErythrocyteB. MonocyteC. LymphocyteD. NeutrophilE. Platelet


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


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


Q. 10 What stage of mitosis is demonstrated in the image below?

A. InterphaseB. ProphaseC. MetaphaseD. AnaphaseE. Telophase





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


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


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








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


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


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


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


Time is up

• Pass your answers to your neighbour and we will correct


Q. 1 What type of microscopy was used within your practicals?

A. Electron microscopyB. Scanning probe microscopyC. Light microscopyD. Laser microscopyE. Ultraviolet microscopy


Q.2 What is the standard metric unit of length?

A. FeetB. InchC. MetreD. YardE. Furlong


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


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


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


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


Q. 7 Within the image below, what type of cell is indicated by the arrow?

A. ErythocyteB. MonocyteC. LymphocyteD. NeutrophilE. Platelet

Monocyte

Lymphocyte


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


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




Anaphase TelophaseMetaphaseProphaseInterphase




Anaphase TelophaseMetaphaseProphaseInterphase


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


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




aa AA

Aa Aa Aa Aaaa

aa Aa

Aa aa

Aaaaaa

aaaaaaAa Aa

Three genotypes

Homozygous dominant (AA)

Heterozygous (Aa)

Homozygous recessive (aa)




AaAa

Aa Aa aa aa Aa

aaaaaa

aa Aa Three genotypes

Homozygous dominant (AA)

Heterozygous (Aa)

Homozygous recessive (aa)




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)


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


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


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


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


How did you do?


Link for studying pedigrees

https://www.youtube.com/watch?

v=-Ztzi6pAh5M


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


Tutorials will return in the New Year

Check your emails

Otherwise, have a joyous Christmas and wonderful New Year


Tutorial for module BY1101 Practical revision: MCQ Adam Kane ([email protected]) BY1101 Introduction to Molecular and Cellular Biology.

Documents

cellular biology slide

telophase by1101 introduction

furlong by1101 introduction

platelet by1101 introduction

water by1101 introduction

cell wall by1101 introduction

questions slide

eukaryotic plant cell