First Year Biology Mcqs with Answers Chapter 6 | Class 11 Biology Mcq with Answers pdf  chapter wise test

written by Assad Javaid | August 10, 2021


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First Year Biology Mcqs with Answers Chapter 5 First Year Biology Mcqs with Answers Chapter 6
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First Year Biology Mcqs with Answers Chapter 11 First Year Biology Mcqs with Answers Chapter 12
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First Year Biology Mcqs with Answers Chapter 1

Chapter 6

Kingdom prokarotae (Monera)

Encircle the most appropriate answer from the following options choose one:

1.         Which of the following are true bacteria?

  1. Arhcaeobacteria
  2. Cyanobacteria
  3. Eubacteria      
  4. None of the above

2.         The first scientist who observed microbes was choose one:

  1. Leeuwenhoek           
  2. Louis Pasteur
  3. Robert Koch   
  4. Heckle

3.         Vaccine against anthrax was developed by choose one:

  1. Leeuwenhoek
  2. Louis Pasteur
  3. Robert Koch   
  4. Jenner

4.         The process of fermentation was discovered by choose one:

  1. Leeuwenhoek
  2. Louis Pasture
  3. Robert Koch
  4. Heckle

5.         Germ theory of diseases was given by choose one:          

  1. Leeuwenhoek
  2. Louis Pasteur
  3. Robert Koch 
  4. Heckle

6.         The smallest bacterium is choose one:

  1. E. Coli
  2. Mycoplasma
  3. Epulopiscum  
  4. Staphylococci

7.         The largest bacterium is choose one: 

  1. E. Coli
  2. Mycoplasma
  3. Epulopiscum
  4. Staphylococci

8.         The size of bacterium Escherichia coli is choose one:

  1. 2.1 to 1.5 um  
  2. 1.1 to 2.5 pm
  3. 1.1 to 1.5 pm
  4. 2.1 to 2.5 pm

9.         The rode shaped bacteria are choose one:

  1. Cocci  
  2. Bacilli
  3. Sprillium         
  4. None of the above

10.       The pair of cocci bacteria in which cell division occurs in one plane is called choose one:

  1. Deplococcus
  2. Streptrococcus
  3. Tetrad 
  4. Sacrcina

11.       The long chain of cocci bacteria in which cell division occurs in one plane is called choose one:

  1. Deplococcus  
  2. Streptrococcus
  3. Tetrad 
  4. Sacrcina

12.       The pair of cocci bacteria in which cell division occurs in two plane is called choose one:

  1. Deplococcus  
  2. Streptrococcus
  3. Tetrad
  4. Sacrcina

13.       The pair of cocci bacteria in which cell division occurs in three plane is called choose one:

  1. Deplococcus  
  2. Streptrococcus
  3. Tetrad 
  4. Sacrcina

14.       Which of the following bacteria are cocci?

  1. E. Coli
  2. Pseudomonas
  3. D. Pneumoniae         
  4. B. Subtilis

15.       Which of the followings is curved or comma shaped spiral?

  1. Vibiro 
  2. Spirllium
  3. Spirochete
  4. None of the above

16.       Which of the following is thick rigid spiral?

  1. Vibiro  
  2. Spirllium
  3. Spirochete      
  4. None of the above

17.       A bacterium with single polar flagellum is called choose one:

  1. Atrichous        
  2. Monotrichous
  3. Lophotrichous
  4. Amphitrichous

18.       A bacterium without flagellum is called choose one:

  1. Atrichous      
  2. Monotrichous
  3. Lophotrichous
  4. Amphitrichous

19.       A bacteria in Which flagellum surround it is called choose one:

  1. Atrichous        
  2. Monotrichous
  3. Lophotrichous         
  4. Amphitrichous

20.       A bacterium in which flagellum surrounds is called choose one:

  1. Atrichous        
  2. Monotrichous
  3. Pritrichous    
  4. Amphitrichous

21.       The structure used in the conjugation of bacteria are choose one:

  1. Capsule          
  2. Slime
  3. Pili      
  4. Mesosome

22.       Which of the following structure makes the cell wall sticky?

  1. Capsule          
  2. Slime
  3. Pili      
  4. Mesosome

23.       The major locomotory organs in bacteria are choose one:

  1. Cilia    
  2. Slime
  3. Pili      
  4. Flagella

24.       Gram positive cell wall have peptidoglycan choose one:

  1. 10%
  2. 20%
  3. 40%    
  4. 50%

25.       Gram negative cell wall have Peptidoglycan choose one:

  1. 10%
  2. 20%
  3. 40%    
  4. 50%

26.       The thickness f cell wall of gram negative bacterium is choose one:

  1. 1-5 nm
  2. 1-7 
  3. 8-9 nm
  4. 8-11 nm

27.       The enzymes for respiratory metabolism in bacteria are present in choose one:

  1. Cell wall          
  2. Cell membrane
  3. Cytoplasmic matrix    
  4. Plasmid

28.       The plasma membrane and every thing present in it is called choose one:

  1. Cytoplasm      
  2. Protoplast
  3. Nucleoid         
  4. Matrix

29.       Nucleoids of bacteria are stained with choose one:

  1. Crystal violet stain      
  2. Feulgen stain
  3. Eosin stain      
  4. None of the above

30.       The extra nuclear double stranded DNA in bacteria are called choose one:

  1. Nucleoid         
  2. Chromosome
  3. Plasmid         
  4. None of the above

31.       The ribosome of bacteria are choose one:

  1. 60S     
  2. 70S
  3. 80s     
  4. 90S

32.       The structure involved in the replication of bacteria are choose one:

  1. Ribosomes     
  2. Cell membrane
  3. Plasmid
  4. Mesosomes

33.       The resistant structure developed during reproduction of vegetative cells of bacteria is called choose one:

  1. Plasmids        
  2. Mesosomes
  3. Slime
  4. cysts

34.       The bacteria which use decay matter as a food are called choose one:

  1. Saprophytes 
  2. Parasites
  3. Saprozooic     
  4. None of the above

35.       The photosynthetic bacteria release choose one:

  1. CO2    
  2. Oxygen
  3. Sulphur         
  4. None of the above

36.       In which phase the growth of bacteria is rapid?

  1. Lag phase      
  2. Log phase
  3. Stationary phase
  4. Decline

37.       In which phase the growth of bacteria is equal?

  1. Lag phase
  2. Log phase
  3. Stationary phase      
  4. Decline

38.       Which of the following is not sterilization method for controlling bacteria?

  1. Filtration         
  2. High temperature
  3. Antiseptics   
  4. Radiation

39.       Hormones and serum are sterilized by choose one:

  1. High temperature       
  2. Low temperature
  3. Filtration       
  4. Radiation

40.       Which of the following antibiotic causes allergic reactions?

  1. Streptomycin 
  2. Tetracycline
  3. Penicillin       
  4. None of the above

41.       The filaments of cyanobacteria are called choose one:

  1. Heteroysts      
  2. Trichome
  3. Hormogonia   
  4. Akintes

42.       The barrel shaped cells present in the filaments of cyanobacteria are called choose one:

  1. Heteroysts
  2. Trichome
  3. Hormogonia   
  4. Akintes

43.       The fragments of the filament of cyanobacteria are called choose one:

  1. Heterocysts    
  2. Trichome
  3. Hormogonia 
  4. Akintes

44.       The accessory pigments of the cyanobacteria are called choose one:

  1. Chlorophyll     
  2. Phycobilins
  3. Xanthophylls  
  4. Carotene

45.       The tick wall reproductive cell of the cyanobacteria are called choose one:

  1. Heterocysts    
  2. Trichome
  3. Hormogonia
  4. Akintes

46.       Antone Van leeuwenhoek firstly observed small creatures in rain choose one:

  1. Water 
  2. Rain water
  3. Saliva 
  4. Infusion

47.       Louis Pasteur did not discovered vaccine against the disease choose one:

  1. Anthrax          
  2. Fowl cholera
  3. Foot and mouth disease
  4. Rabies

48.       The aim of the germ plasma theory was choose one:

  1. To prove symptom of a disease
  2. To discover the treatment of disease
  3. To prove the cause of a disease
  4. To discover vaccine against a disease

49.       The smallest bacteria on the earth are choose one:

  1. Myco plasma
  2. Escherichia coli
  3. Staphylococci
  4. Epulopiscium fishlesoni

50.       The largest bacteria on the earth are choose one:  

  1. Mycoplasma  
  2. Escherichia coli
  3. Staphylococci
  4. Epulopiscium fishlesoni

51.       In some bacteria division occurs in one plane and bacteria are arranged in chain. Such bacteria are called choose one:

  1. Diplococcus   
  2. Streptococcus          
  3. Tetrad 
  4. Sarcina

52.       When division occurs in random planes, it will produce an arrangement called choose one:

  1. Diplococcus   
  2. Strptococcus
  3. Tetrad 
  4. Staphylococcus

53.       Which of the following is flexible spiral?

  1. Vibrio  
  2. Spirillum
  3. Spirochete    
  4. None of the above

54.       The condition in which bacteria are without flagella is called choose one:

  1. Atrichous      
  2. Monotrichous
  3. Lophotrichous
  4. Ampitrichous

55.       Chemotaxis is phenomenon in which an organism choose one:

  1. Eat a chemical           
  2. Detect a chemical
  3. Show response to a chemical
  4. Change a chemical

56.       Tuft of flagella is present only at one pole of bacteria in case of choose one:

  1. Atrichous        
  2. Monotrichous
  3. Lophotrichous         
  4. Ampitrichous

57.       Which of the following structure is used in sexual reproduction of bacteria?

  1. Cell wall          
  2. Endospore
  3. Capsule          
  4. Pili

58.       Which of the following is not include in the envelope of the bacteria?

  1. Capsule          
  2. Slime
  3. Cell wall
  4. Cell membrane

59.       Arrange the position of cell membrane, cell wall, slime and capsule from outer to inner surface choose one:

  1. Cell wall — Cell membrane — Slime — Capsule
  2. Capsule — Slime — Cell wall — Cell membrane
  3. Slime — Capsule — Cell wall — Cell membrane
  4. Cell wall — Capsule — Slime — Cell membrane

60.       Which of the following are not the characteristics of cell Gram positive cell all?

  1. It has two major layers           
  2. It is more permeable
  3. It has outer membrane        
  4. It has lipids I — 4%

61.       Which of the following are the characteristics of Gram negative cell wall?

  1. It has two major layers           
  2. It is more permeable
  3. It has outer membrane        
  4. It has lipids 1 —4%

62.       The cell wall of Archeobactira does not contain choose one:

  1. Lipids  
  2. Proteins
  3. Peptidoglycan          
  4. Carbohydrates

63.       Which of the following is not the function of membrane?

  1. It regulate the control of material
  2. It contains respirat
  3. It plays role in division of cell
  4. None of the these

64.       Nucleoid is stained with choose one:

  1. Gram positive Stain   
  2. It contain respiratory enzyme
  3. Feulgen stain
  4. None of the above

65.       Which of the following contain DNA?

  1. Slime  
  2. Plasmid
  3. Ribosome       
  4. Pili

66.       Which of the following are chemosynthetic bacteria choose one:

  1. The bacteria which synthesize food from organic compounds
  2. The bacteria which synthesize food form inorganic compounds
  3. The bacteria which release energy from organic compounds
  4. The bacteria which release energy form the inorganic compounds

67.       Which of the bacteria can grow in any condition?

  1. Aerobic bacteria         
  2. Anaerobic bacteria
  3. Facultative bacteria
  4. Microaerophilic bacteria

68.       The generation time of bacteria is choose one:

  1. The interval of time between young and old age of bacteria
  2. The interval of time until the completion of the next division
  3. The interval of time between two generations
  4. The interval of time between two divisions

69.       The rapid growth of bacteria occurs in the phase choose one:

  1. Lag phase      
  2. Log phase
  3. Stationary Phase       
  4. Decline phase

70.       The bacterial growth becomes equal with the death rate in the choose one:

  1. Lag phase      
  2. Log phase
  3. Stationary Phase
  4. Decline phase

71.       Sexual reproduction in bacteria takes place by choose one:

  1. Fusion of gamete       
  2. Fusion of nuclei
  3. Exchange of nucleic  
  4. Exchange of part of DNA

72.       Which of the following bacteria are not used in?

  1. Food production         
  2. Drug production
  3. Alcohol production 
  4. Antibiotics production

73.       Which of the following methods do not come within the method of sterilization?

  1. Use of filter paper to filter water
  2. Boiling of water
  3. Washing the toilet with phenyl
  4. Use of rays

74.       Which of the following is antiseptics? 

  1. Quinine           
  2. Phenyl
  3. Dettol
  4. Sodium bicarbonate

75.       Which of following is Disinfectant choose one:

  1. Quinine           
  2. Phenyl
  3. Dettol  
  4. Sodium bicarbonate

76.       Which of following is Disinfectant choose one:

  1. Quinine         
  2. Phenyl
  3. Dettol  
  4. Sodium bicarbonate

77.       Which of the following is relevant to vaccine choose one:

  1. A vaccine is compound which kills germ
  2. A vaccine is a name of a drug
  3. A vaccine is synthesized from plants
  4. A vaccine is drive from the germs

78.       Louis Pasteur did not synthesize the vaccine of choose one:

  1. Chicken cholera         
  2. Anthrax
  3. Small pox       
  4. Rabies

79.       The antibiotic penicillin is not used today because choose one:

  1. It has become ineffective      
  2. It is too costly to be used by the patients
  3. It causes allergic reaction   
  4. It is not available in market

80.       A person eats a drug and becomes deaf. Which drug he might have eaten?

  1. Quinine           
  2. Streptomycin
  3. Penicillin         
  4. Tetracycline

81.       The cyanobacteria are also called blue green algae because choose one:

  1. They have blue green cell wall
  2. They have blue green chloroplast
  3. They have blue green pigments
  4. None of the above

82.       Reserved food material in cyanobacteria is choose one:

  1. Glucose          
  2. Starch
  3. Lipids  
  4. Glycogen

83.       The broken piece of filament of cyanobacteria is called choose one:

  1. Trichome        
  2. Hormogonia
  3. Heterocyst     
  4. Akinete

84.       The thick walled enlarged reproductive cells are called choose one:

  1. Trichome        
  2. Hormogonia
  3. Heterocyst
  4. Akinete

85.       The water bloom is a choose one:       

  1. Water with bad smell 
  2. Water with a layer of organisms
  3. Water cannot be drunk
  4. Polluted water

86.       Super blue green algae is cyanobacteria which choose one:

  1. Pollute water
  2. has nutritional value
  3. Cause disease in man
  4. None of the above

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