Biology Kingdom Monera MCQs Chapter 6 Class 11

Created on March 02, 2022 By Ali Durrani

Biology Ch 6 Class 11 KINGDOM MONERA

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1 / 69

The first bacterium isolated was

Coccus

Bacillus

Vibrio

Spirochete

2 / 69

A type of bacterial cell that is completely surrounded by flagella is called:

PMC Practice 5
Biology
Kingdom Prokaryote
Elimination Tool:

A) Diplococcus

B) Tetrad

C) Peritrichous

D) Munotrichous

3 / 69

Which of the following has a chain arrangement?

Streptobacillus

Streptococci

Staphylococci

Both A and B

4 / 69

Who discovered the bacteria causing tuberculosis and also developed various techniques of media preparation and maintenance of pure culture?

Robert Koch

Louis Pasteur

Alexander Fleming

Leeuwenhoek

5 / 69

A bacterium with tuft of flagella at both poles is called

Lophotrichus

Monotrichous

Peritrichous

Amphitrichous

6 / 69

In bacterial categories the bacteria smaller in number are

Gram-ive bacteria

Eubacteria

Ancient bacteria

Gram +ive bacteria

7 / 69

The cell membrane of a bacterial cell often invaginates to produce membranous structures referred to as:

NUMS 2017
Biology
Kingdom Prokaryote
Elimination Tool:

A) Centrosomes

B) Mesosomes

C) Dictyosomes

D) Polysomes

8 / 69

Spirochaete bacterium Treponema Pallidum causes ______.

NTS 2016 SMBBMC
Biology
Kingdom Prokaryote
Elimination Tool:

A) Gonorrhea

B) Syphilis

C) Genital herpes

D) AIDS

9 / 69

In which phase of bacterial growth, does divison at an exponential rate occur?

NUMS 2020
Biology
Kingdom Prokaryote
Elimination Tool:

A) Lag phase

B) Log phase

C) Stationary phase

D) Decline phase

10 / 69

A group of 8 cocci is called

Diplococci

Octococci

Tetrad

Sarcina

11 / 69

Which of the following bacteria are without a cell wall?

NUMS 2016
Biology
Kingdom Prokaryote
Elimination Tool:

A) Mycoplasma

B) Gram positive bacteria

C) Gram negative bacteria

D) Archaeo bacteria

12 / 69

If lipopolysaccharides did not appear in the wall of bacteria on staining then it will be known as ________.

UHS 2018
Biology
Kingdom Prokaryote
Elimination Tool:

A) Gram negative

B) Gram positive

C) Capsule

D) Both Gram positive & negative

13 / 69

Cell wall is only absent in the following group of bacteria;

PMC Practice 6
Biology
Kingdom Prokaryote
Elimination Tool:

A) Staphylococci

B) Pseudomunas

C) Diplococcus pneumonia

D) Mycoplasmas

14 / 69

In which of the following phases of bacterial growth, is the death rate more rapid than the multiplication rate?

NTS 2016 SMBBMC
Biology
Kingdom Prokaryote
Elimination Tool:

A) Stationary phase

B) LAG phase

C) Decline phase

D) LOG phase

15 / 69

Bacteria having a tuft of flagella at one end are called:

NTS 2017
Biology
Kingdom Prokaryote
Elimination Tool:

A) Peritrichous

B) Monotrichous

C) Lophotrichous

D) Amphitrichous

16 / 69

Gram negative bacteria are stained pink by the use of:

NUMS 2016
Biology
Kingdom Prokaryote
Elimination Tool:

A) Crystal violet

B) Gram’s iodine

C) Feulgen stain

D) Safranin

17 / 69

The DNA of the bacterium is present in a distinct region called:

NUMS 2017
Biology
Kingdom Prokaryote
Elimination Tool:

A) Nucleolus

B) Centrosome

C) Nucleoid

D) Nucleus

18 / 69

Flagella originate from

Cell membrane

Cell wall

Capsule

Basal body

19 / 69

Which of the following structure provides greater pathogenicity to the bacteria?

Capsule

Slime

Cell Wall

Cell membrane

20 / 69

Select a method which causes the oxidation of chemical constituent of a bacterial cell:

PMC 2020
Biology
Kingdom Prokaryote
Elimination Tool:

A) Steam

B) Dry heat

C) Filtration

D) Radiation

21 / 69

When were bacteriophages discovered by Twort?

PMC Practice 5
Biology
Kingdom Prokaryote
Elimination Tool:

A) 1915

B) 1920

D) 1820

C) 1910

22 / 69

Germ theory was presented by:

NUMS 2016
Biology
Kingdom Prokaryote
Elimination Tool:

A) Robert Koch

B) Antonie van Leeuwenhoek

C) Robert Hooke

D) Robert Brown

23 / 69

Rod-shaped bacteria are known as _______

UHS 2018
Biology
Kingdom Prokaryote
Elimination Tool:

A) Spirilla

B) Bacilli

C) Spirochete

D) Cocci

24 / 69

The first simplest oxygen producing organism:

NUMS 2016
Biology
Kingdom Prokaryote
Elimination Tool:

A) Methanogens

B) Cyanobacteria

C) Euglena

D) Spirogyra

25 / 69

The presence of peptidoglycan in gram-positive bacteria is:

PMC Practice 3
Biology
Kingdom Prokaryote
Elimination Tool:

A) 40% of dry weight

B) 50% of dry weight

D) 80% of dry weight

C) 10% of dry weight

26 / 69

A Dutch scientist firstly observed very small creatures in

PMC Practice 6
Biology
Kingdom Prokaryote
Elimination Tool:

A) Vinegar

B) Saliva

C) Rain water

D) All of Above

27 / 69

Cyanobacteria help in nitrogen fixation because they have:

PMC 2021 Tested
Biology
Kingdom Prokaryote
Elimination Tool:

A) Sodium channels

B) Heterocysts

C) Harmogonia

D) Nitrogenase

28 / 69

The process of recombination in prokaryotes takes place in which of the following ways?

PMC Sample 2
Biology
Kingdom Prokaryote
Elimination Tool:

A) transformation

B) conjugation

C) transduction

D) all of these

29 / 69

A bacterial cell envelope of mollicutes does not include?

PMC Sample 1
Biology
Kingdom Prokaryote
Elimination Tool:

A) Slime

B) Capsule

C) Cell wall

D) Cell membrane

30 / 69

Which of the following statement is incorrect regarding germ theory of diseases postulated by Robert Koch?

A specific organism can always be found in association with a given disease

The organism can be isolated and grown in pure culture in the laboratories

The pure culture cannot produce the disease when inoculated into susceptible animal however the causative organism isolated from pure culture can do so.

It is possible to recover the organism in pure culture from the experimentally infected animals.

31 / 69

Who coined the term Animalcules for microorganisms like Bacteria and protozoa?

Robert Koch

Louis Pasteur

Alexander Fleming

Leeuwenhoek

32 / 69

Which of the following is not a component of extracellular matrix in bacteria?

NUMS 2015
Biology
Kingdom Prokaryote
Elimination Tool:

A) Cell wall

B) Slime

C) Capsule

D) Cell membrane

33 / 69

Purple non-sulphur bacteria is an example of which of the following?

PMC Practice 2
Biology
Kingdom Prokaryote
Elimination Tool:

A) Heterotrophic bacteria

B) Saprotrophic bacteria

C) Chemosynthetic bacteria

D) Photosynthetic bacteria

34 / 69

Some bacteria ranging occasionally a size of 500 ?m in length are

Escherichia coli

Spirochetes

Mycoplasma

Epulopiscuim

35 / 69

Which of the following structure primarily helps in attachment of bacteria on various surfaces?

Flagella

Pili

Both of these

None of these

36 / 69

Apparently which bacteria is more resistant to antibiotics?

NUMS 2017
Biology
Kingdom Prokaryote
Elimination Tool:

A) Gram-positive bacteria

B) Gram-negative bacteria

C) Both Gram-negative and positive bacteria

D) None of these options are correct

37 / 69

Which of the following organelles are present in all the bacteria?

NTS 2014
Biology
Kingdom Prokaryote
Elimination Tool:

A) Mesosome

B) Golgi bodies

C) Mitochondria

D) Chloroplast

38 / 69

In many bacteria, the cell wall is enclosed within a slime capsule made up of:

NUMS 2017
Biology
Kingdom Prokaryote
Elimination Tool:

A) Polysaccharides

B) Cellulose

C) Amino acids

D) Proteins

39 / 69

Which of the following bacteria are thick rigid and spiral?

Vibrio

Spirillum

Spirochete

Coccus

40 / 69

Which of the following is true of both bacterial conjugation and meiosis?

PMC Practice 3
Biology
Kingdom Prokaryote
Elimination Tool:

A) Both processes produce four haploid cells

B) Both processes are a form of asexual reproduction

C) Both processes involve genetic recombination

D) None of these options is correct

41 / 69

Which of the following structure is not present in all the bacteria?

Cell membrane

Chromatin bodies

Ribosomes

Capsule

42 / 69

Cyanobacteria have which of the following type of cell wall?

PMC Sample 2
Biology
Kingdom Prokaryote
Elimination Tool:

A) Gram positive

B) Gram negative

C) Cellulose

D) Acid fast

43 / 69

Vibrio cholera is an example of ______ type of bacteria.

NUMS 2017
Biology
Kingdom Prokaryote
Elimination Tool:

A) Cocci

B) Bacilli

C) Spirilla

D) Commas

44 / 69

Which one of the following sets includes the bacterial diseases?

NUMS 2014
Biology
Kingdom Prokaryote
Elimination Tool:

A) Cholera, typhoid, mumps

B) Tetanus, tuberculosis, measles

C) Malaria, mumps, poliomyelitis

D) Diphtheria, leprosy, plague

45 / 69

The causing agent of the tuberculosis that grows very well in poor living conditions and malnutrition is:

NUMS 2019 Cancelled
Biology
Kingdom Prokaryote
Elimination Tool:

A) Spirobacterium

B) Mycobacterium

C) E.Coli

D) Staphylococcus

46 / 69

Coccobacillus has a shape similar to

Diplobacillus

Sarcina

Egg

None of these

47 / 69

For respiratory metabolism, a bacterial cell membrane contains:

PMC Practice 4
Biology
Kingdom Prokaryote
Elimination Tool:

A) Proteins

B) Lipids

D) Chemicals

C) Enzymes

48 / 69

Rod-shaped bacteria are known as:

NUMS 2017
Biology
Kingdom Prokaryote
Elimination Tool:

A) Cocci

B) Bacilli

C) Spirilla

D) None of these

49 / 69

Which of the following structures provides greater pathogenicity to the bacteria?

PMC Practice 3
Biology
Kingdom Prokaryote
Elimination Tool:

A) Slime

B) Cell wall

C) Cell membrane

D) Capsule

50 / 69

When was the bacteriophage phenomena rediscovered by D’Herelle?

PMC Practice 4
Biology
Kingdom Prokaryote
Elimination Tool:

B) 1917

A) 1918

C) 1920

D) 1990

51 / 69

Which of the following bacteria do not have flagella commonly?

Cocci

Bacilli

Streptobacilli

Vibrio

52 / 69

The bacteria can cope in unfavorable condition by producing:

NUMS 2017
Biology
Kingdom Prokaryote
Elimination Tool:

A) Mesosomes

B) Zygospores

C) Endospores

D) Hyphae

53 / 69

Which of the following bacteria possesses a spherical shape?

PMC Practice 4
Biology
Kingdom Prokaryote
Elimination Tool:

A) Bacillus anthracis

B) Escherichia coli

C) Spirillum minus

D) Staphylococcus aureus

54 / 69

The word Archaeobacteria (a division of bacteria) derived from Greek means

True bacteria

False bacteria

Recent bacteria

Ancient bacteria

55 / 69

Genetic recombination in bacteria can occur through:

NUMS 2015
Biology
Kingdom Prokaryote
Elimination Tool:

A) Conjugation

B) Transformation

C) Transduction

D) All of the above

56 / 69

The cell wall of Archaebacteria does not contain which of the following?

PMC Sample 1
Biology
Kingdom Prokaryote
Elimination Tool:

A) Glycoproteins

B) Polysaccharides

C) Proteins

D) Peptidoglycan

57 / 69

In a bacterial cell, plasma membrane with all things present within it is called:

PMC Sample 3
Biology
Kingdom Prokaryote
Elimination Tool:

A) Cytoplasmic matrix

B) Cytoplasm

C) Protoplast

D) Cell Structure

58 / 69

Which of the following types of bacterial reproduction is most similar to mitosis?

PMC Practice 2
Biology
Kingdom Prokaryote
Elimination Tool:

A) Transduction

B) Transfonnation

C) Binary fission

D) Conjugation

59 / 69

Under the microscope, the bacteria appear a bluish-purple color. Which class of bacteria are on the slide?

PMC Practice 5
Biology
Kingdom Prokaryote
Elimination Tool:

A) Helix

B) Around

C) Rod

D) Rigid helix

60 / 69

Which of the following is TRUE about the structure of a typical bacterium?

PMC 2020
Biology
Kingdom Prokaryote
Elimination Tool:

A) It has cell wall

B) It has cytoplasm

C) It has genetic material

D) All of the above

61 / 69

Which of the following is not a sterilization method for the control of bacteria?

PMC Practice 4
Biology
Kingdom Prokaryote
Elimination Tool:

A) Radiation

C) High temperature

B) Filtration

D) Antiseptic

62 / 69

Germ theory of disease has ______ postulates

3

5

4

6

63 / 69

The function of a cell wall in prokaryotes is:

PMC Practice 1
Biology
Kingdom Prokaryote
Elimination Tool:

A) To give cells rigidity

B) To give specific shape

C) To protect from osmotic lysis

D) All of Above

64 / 69

E. coli and example of entrobacteriace is important for causing diarrheal diseases its size is:

0.1-600 um

100-200 nm

1.1-1.5 um (width) 2.0-6.0 um (length)

0.75-1.25 um

65 / 69

Bacterial pilli help in:

NTS 2011
Biology
Kingdom Prokaryote
Elimination Tool:

A) Locomotion

B) Conjugation

C) Phagocytosis

D) Pinocytosis

66 / 69

The shape of Cocci bacteria is:

NUMS 2017
Biology
Kingdom Prokaryote
Elimination Tool:

A) Spherical

B) Spring

C) Rod

D) Screw

67 / 69

Which of the following statements about the systemic effect of bacterial cells is true?

PMC Practice 3
Biology
Kingdom Prokaryote
Elimination Tool:

A) Gram-negative bacteria are more likely to cause systemic effects because they lack an outer membrane which means they can more quickly to infect host cells

B) Gram-negative bacteria are more likely to cause systemic effects because their outer membrane protects them from antibiotics

D) None of these options is correct

C) Both Options A and B are correct

68 / 69

The size of Spirochete is

0.1 -600 um

100-200 nm

500 um

0.75-1.25 um

69 / 69

Tuberculosis is caused by?

NTS 2015 SMBBMC
Biology
Kingdom Prokaryote
Elimination Tool:

A) Bacterium

B) Allergy

C) Nicotine

D) Virus

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Biology Kingdom Monera MCQs Chapter 6 Class 11

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