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G.B.Sc.N - MICROBIOLOGY-1

Total questions: 50

Worksheet time: 50mins

Name
Class
Date
1.

These are obligate intracellular parasites:

a)

Algae

b)

Bacteria

c)

Fungi

d)

Viruses

2.

Prokaryotes include:

a)

Virus

b)

Bacteria

c)

Fungi

d)

Algae

3.

Plane of division of diplococci is:

a)

Double

b)

Triple

c)

Single

d)

Irregular

4.

Plane of division of stapylococci is:

a)

Single

b)

Double

c)

Triple

d)

Irregular

5.

Shape of bacilli is:

a)

Round

b)

Rod

c)

Spiral

d)

Hyphae like

6.

Pallisade arrangement is:

a)

Flower like

b)

Hyphae like

c)

Chinese letter like

d)

Sheet of squares

7.

Which component is common in Gram positive and Gram negative cell wall?

a)

Lipopolysaccharide

b)

Teichoic acid

c)

Peptidoglycan

d)

Outer membrane

8.

Sedimentation coefficient of ribosome in Prokaryotic cell is:

a)

60 S

b)

70 S

c)

80 S

d)

90 S

9.

Essential component of prokaryotic cell is:

a)

Cell wall

b)

Flagella

c)

Plasmid

d)

Endospore

10.

Naturally cell wall less bacteria are:

a)

Spheroplasts

b)

Protoplasts

c)

L-forms

d)

Mycoplasma

11.

Arrangement of flagella when it arises all over the bacterial cell surface is:

a)

Amphitrichouos

b)

Monotrichous

c)

Peritrichous

d)

Lophotrichous

12.

Microbiology is the study of

a)

Algae

b)

Bacteria

c)

Fungi

d)

All microorganisms

13.

Microbial name is written according to the binomial nomenclature of bacteria as:

a)

Staphylococcus aureus

b)

Staphylococcus aureus

c)

Staphylococcus aureus

d)

Staphylococcus.A

14.

Study of fungi is:

a)

Bacteriology

b)

Mycology

c)

Phycology

d)

Virology

15.

Study of bacteria is:

a)

Bacteriology

b)

Protozology

c)

Parasitology

d)

Phycology

16.

Study of protozoa is:

a)

Bacteriology

b)

Mycology

c)

Microbiology

d)

Protozoology

17.

Study of virus is:

a)

Phycology

b)

Mycology

c)

Protozoology

d)

Virology

18.

Who invented simple microscope:

a)

Antonie Van Leeuween Hoek

b)

Robert Kock

c)

Louis Pasteur

d)

Francesco Redi

19.

The theory of spontaneous generation was challenged by:

a)

Antonie Van Leeuween Hoek

b)

Francesco Redi

c)

Robert Kock

d)

Louis Pasteur

20.

Kock's postulates were given by:

a)

Louis Pasteur

b)

Robert Kock

c)

Francesco Redi

d)

Antonie Van Leeuween Hoek

21.

Who gave the process of pasteurization:

a)

Francesco Redi

b)

Antonie Van Leeuween Hoek

c)

Robert Kock

d)

Louis Pasteur

22.

This is not a stage of the life cycle of a virus.

a)

Adsorption and penetration

b)

Replication and assembly

c)

Lytic cycle

d)

Maturation and release

23.

Genome of virus is located in:

a)

Base plate

b)

Collar

c)

Head

d)

Tail fibers

24.

Virus that infect bacteria is called:

a)

Bacteriophage

b)

Mycophage

c)

Phycophage

d)

Retrovirus

25.

This is not a property of a virus.

a)

Acellular

b)

Contain ribosome for protein synthesis

c)

No ATP generation system

d)

Obligate intracrllular parasites

26.

The life cycle of a virus in which it is released from infected host cell by bursting it is called:

a)

Bacteriophage

b)

Lysogenic cycle

c)

Lytic cycle

d)

Mycophage

27.

The life cycle of a virus in which its genome remain attached with the genome of infected host cell is called:

a)

Bacteriophage

b)

Lysogenic cycle

c)

Lytic cycle

d)

Mycophage

28.

It is a complex virus.

a)

Bacteriophage

b)

Enveloped viruses

c)

Helical viruses

d)

Icosaheadral viruses

29.

It is a component of a Eukaryotic cell.

a)

Capsule

b)

Endospore

c)

Golgi apparatus

d)

Pili

30.

Arrangement of flagella in Eukaryotic cell is:

a)

9 + 2

b)

9 - 2

c)

9 x 2

d)

9 / 2

31.

Flagella of a Eukaryotic cell anchors at:

a)

Centrosome

b)

Kinetosome

c)

Microsome

d)

Peroxisome

32.

Fluid mosaic model was proposed by:

a)

Daniel and Davson

b)

Robert Brown

c)

Sevedberg

d)

Singer and Nicholson

33.

It degrades the proteins taged with Ubiquitin.

a)

Kinetosome

b)

Lysosome

c)

Microsome

d)

Proteasome

34.

Power house of a Eukaryotic cell is:

a)

Endoplasmic reticulum

b)

Golgi apparatus

c)

Mitochondria

d)

Ribosome

35.

The sedimentation coefficient of the ribosome of a Eukaryotic cell is:

a)

40S

b)

60S

c)

70S

d)

80S

36.

Sucide sac or garbage disposal of a Eukaryotic cell is:

a)

Endoplasmic reticulum

b)

Lysosome

c)

Mitochondria

d)

Ribosome

37.

Golgi apparatus does not serve tbis function:

a)

Form lysosome

b)

Package protein

c)

Process protein

d)

Forms ATP

38.

It is not a synonym of lysosome

a)

Control center

b)

Garbage disposal

c)

Suicide bag

d)

Suicide sac

39.

Gram positive bacteria when treated with peniciline becomes:

a)

L-form

b)

Mycoplasma

c)

Protoplast

d)

Spheroplast

40.

Gram negative bacteria when treated with peniciline becomes:

a)

L-form

b)

Mycoplasma

c)

Protoplast

d)

Spheroplast

41.

Endospore is a resistant body because it contains:

a)

Ca-DPA

b)

LPS

c)

Outer membrane

d)

Porin proteins

42.

Extra-Chromosomal piece of DNA is called:

a)

Bacterial chromosome

b)

Bacterial spore

c)

Mesosome

d)

Plasmid

43.

F-pili are involved in:

a)

Attachment

b)

Conjugation

c)

Motility

d)

Resistance

44.

In 70S, alphabet S stands for:

a)

Sedimentation coefficient

b)

Sevedberg

c)

Singer and Nicholson

d)

Sarcinae

45.

When flagella arises from both ends of a bacterial cell it is called:

a)

Amphitrichous

b)

Lophotrichous

c)

Monotrichous

d)

Peritrichous

46.

When flagella arises from one pole of a bacterial cell it is called:

a)

Amphotrichous

b)

Atrichous

c)

Lophotrichous

d)

Monotrichous

47.

Flagella of a Prokaryotic cell is composed of:

a)

Flagellin protein

b)

Pilin protein

c)

Porin protein

d)

Tubulin protein

48.

The arrangement of bacterial cells in which they are arranged in packet of four is called:

a)

Rosset

b)

Palisade

c)

Sarcinae

d)

Tetrads

49.

The arrangement of bacterial cells in which they are arranged in packet of eight is called:

a)

Rosset

b)

Palisade

c)

Sarcinae

d)

Tetrads

50.

LPS is present in the cell wall of:

a)

Acid fast bacteria

b)

Gram negative bacteria

c)

Gram positive bacteria

d)

Non-Acid fast bacteria

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