If you’re preparing for job interview and whether you’re experienced or fresher & don’t know what kind of questions will be asked on Bacteria, then go through the below Real Time 50+ Top Bacteria Interview Questions and Answers to crack your job interview.
Bacteria Interview Questions and Answers
Question: Bacteria Which Can Grow Only In The Presence Of Oxygen Are Called?
Answer :
Obligate aerobes.
Question: Bacteria Which Can Grow With Or Without Oxygen?
Answer :
Facultative anaerobes.
Question: How Are Bacteria Classified ?
Answer :
They are classified into the following types of cell, the ovoid or spheroid called coccus, the rod or cylindrical bacillus, the curved vibrio and coil shaped spirochaete.
Question: How Bacteria Helps Human Body ?
Answer :
Certain bacteria helps us digest or food. Bacteria in our digestive system help to convert milk protein into latic acid and inhabit the growth of potentially harmful bacteria.
Question: How Bacteria Is Useful To Man ?
Answer :
Bacteria is useful to man in major fields viz, agriculture, industry, medicine and biological research.
Question: How Bio – Films Are Important In Medicine ?
Answer :
As these structures are often present during chronic bacterial infections or in infections of implanted medical devices, the bacteria protected within the bio – films are much harder to kill than isolated bacteria.
Question: Name The Bacterium Which Causes Gonorrhea ?
Answer :
Nisseria Gonnorrhea.
Question: Name The Leprosy Producing Bacteria?
Answer :
Mycrobacterium leprae.
Question: Organic Materials Decay Due To The Action Of Which Agency ?
Answer :
Bacteria .
Question: The Substance Excreted By Bacteria Into Human Body?
Answer :
Toxin
Question: What Are Bacteriophagees ?
Answer :
They are viruses that changethe bacterial DNA.
Question: What Are Probiotics ?
Answer :
They are live micro organisms that are similar to beneficial micro organisms found in human gut. They are also called “ Friendly bacteria ” of “ Good bacteria ”.
Question: What Bacteria Causes Ulcer In Human Being ?
Answer :
Helicobacter pylon.
Question: What Causes Bad Breadth ( Halitosis ) ?
Answer :
Bad breath is usually due to the break down of proteins by baterica in the mouth.
Question: What Is A ‘ Green Sulphur ’ Bacteria ?
Answer :
These are a family of anaerobic photo autographic bacteria which are non – mobile and came to spheres, rods and spirals.
Question: What Is Bacteria ?
Answer :
They are microscopic unicelluar prokaryotic organisms distributed in various habits. Most of them lack chlorophyll and hence lead a heterotrophic mode of life.
Question: What Is Bacterial Conjugation ?
Answer :
It is the transfer of genetic material between bacteria through direct cell – to – cell contact. This conjugation was discovered in 1946 by Jousua Lederberg and Edwin Tatum.
Question: What Is Bio – Films Or Bacterial Mats ?
Answer :
Bacteria often attach to surfaces and form dense aggregation which is called bio – films or bacterial mats.
Question: What Is Flagella ?
Answer :
It is a tail – like structure that projects from the cell body of bacteria, which helps the functions in locomotion.
Question: What Is Size Of The Bacteria ?
Answer :
104cm.
Question: What Is The Hair Like Structure Of The Bacteria Is Called ?
Answer :
Flagella
Question: What Knid Of Bacterium Spreads Cholera ?
Answer :
Vibrio
Question: What Produces Gas In Our Intestines ?
Answer :
The are live micro organisms that are similar to beneficial micro organisms found in human gut. They are also called “ friendly bacteria ” of “ good bacteria ”.
Question: Where Is The Respiratory Enzymes In Bacteria Are Chiefly Located ?
Answer :
In plasma membrane.
Question: Which Are Autotrophic Bacteria ?
Answer :
The bacteria which are capable of synthesining their organic food from simple organic substances.
Question: Which Are Four Types Of Bacteria ?
Answer :
Coccus, bacillus, vibrio and sprial.
Question: Which Are Heterotrophic Bacteria ?
Answer :
Tire bacteria which are unable to synthesise their organic food from simple organic substances .
Question: Which Are The Antibiotics Obtained From Bacteria ?
Answer :
Streptomycin, chloromycetin, neomycin, terramycin etc..
Question: Which Are The Four Types Of Bacteria According To The Cells ?
Answer :
- Monotrichous
- Lopotrichous
- Amphitichous
- Deritrichous .
- All these have flagella
Question: Which Are The Harmful Activities Caused By Bacteria ?
Answer :
Spoilage of food and cotton materials, diseases and denitrification.
Question: Which Bacterium Causes Tetanus ?
Answer :
Clostridium tetani.
Question: Which Bacterium Is Responsible To Make Milk Into Curd ?
Answer :
The lactobacillus.
Question: Which Bacterium Produces Syphilis ?
Answer :
Triponema Pallidum
Question: Which Bacterium Spreads Typhoid ?
Answer :
Salmonella typhosa.
Question: Which Is The Bacteria That Have No Flagella ?
Answer :
Atrichous.
Question: Which Is The Bacterium In The Soil That Can Absorb Nitrogen ?
Answer :
Azotobactor
Question: Which Scientist Established That Bacteria Are Plants ?
Answer :
karl Wilhem Von Nigole in 1857.
Question: Who Discovered Bacteria ?
Answer :
Anton Van Leeuwenhock in 1676
Question: Who Established That There Are Bacteria Which Are Beneficial To Man ?
Answer :
Louis Pasteur
Question: Who Isolated The Bacterium Which Causes Leprosy ?
Answer :
G.R. Hanson.
Question: Why Is Bacteria Cannot Survive In A Highly Salted Pickle ?
Answer :
Because they become plasmolysed and consequently get killed.