Microbiology Question and Answer

Microbiology Questions for exams

Microbiology exams Questions:

Ques. Food can be kept unspoiled at
(a) High temperature
(b) Low temperature
(c) Osmotic temperature
(d) All the above

Ans. (b)

Ques. Who is the father of microbiology?
(a) Antony Von Leeuwenhock
(b) Alexander Flemming
(c) Anoton De Berry
(d) Robert Koch

Ans. (a)

Related: Permutation questions and answers

Ques. RNA containing viruses belong to
(a) Ribocubica
(b) Ribobinala
(c) Ribovira
(d) Deoxyvira

Ans. (c)

Ques. Which is not help in N2 fixation
(a) Anabaena
(b) Nostoc
(c) Oscillatoria
(d) Rhizobium

Ans. (c)

Related: Logarithm questions and solutions

Ques. Sterilisation by autoclaving is carried out to
(a) Kill bacteria and other pathogens
(b) Kill viruses
(c) Kill bacteria and enzymes
(d) Inactivate enzymes

Ans. (a)

Ques. Circular DNA molecule occurs in
(a) Viruses
(b) Bacteria, chloroplasts and mitochondria
(c) Bacteria and chloroplasts only
(d) Bacteria only

Ans. (b)

Ques. Some viruses have only RNA but no DNA this would indicate that
(a) Their nucleic acid must combine with host DNA for virus duplication
(b) These viruses can not replicate
(c) RNA too can transmit hereditary information
(d) The viruses have non heritable information

Ans. (c)

Related: MCQ on Electrochemistry

Ques. Cause of ‘Mad Cow’ disease of England
(a) Virions
(b) Mycoplasma
(c) Scrapie Protein
(d) Viral protein

Ans. (c)

Ques. The genetic material in viruses is
(a) Only RNA
(b) Only DNA
(c) RNA and DNA both
(d) RNA or DNA i.e. one nucleic acid in a virus

Ans. (d)

Ques. Viruses multiply in
(a) Bacteria only
(b) All living cells
(c) Specific living cells
(d) Rotten food

Ans. (c)

Related: Human health and disease MCQ

Ques. Genes are packed in bacterial chromosome by
(a) Acid proteins
(b) Histones
(c) Basic proteins
(d) Actin

Ans. (c)

Ques. Which one of the following is also algae
(a) Cyanobacteria
(b) Rhodospirillum
(c) Green bacteria
(d) Purple bacteria

Ans. (a)

Ques. Antibiotics cure diseases by
(a) Removing pain
(b) Competitive inhibition
(c) Turning the pathogen out of the body
(d) Fighting with the disease causing organism

Ans. (b)

Related: Genetics MCQ for NEET

Ques. Elementary cell body in mycoplasma perform the function of
(a) Metabolism
(b) Excretion
(c) Reproduction
(d) Respiration

Ans. (c)

Ques. Which of the following is not caused by a bacterium
(a) Typhoid
(b) Tetanus
(c) Kwashiorker
(d) Diphtheria

Ans. (c)

Ques. The water of Ganga river is pure due to the presence of
(a) Cyanophages
(b) Hydrophytes
(c) Bacteria
(d) Bacteriophages

Ans. (d)

Ques. Nitrogen fixation organism is
(a) Nitrosomonas
(b) E.coli
(c) Nitrobactor
(d) Rhizobium and Azotobacter

Ans. (d)

Related: Polymer questions and answers

Ques. ‘Citrus canker’ is caused by a
(a) Fungus
(b) Bacterium
(c) Virus
(d) Nematoda

Ans. (b)

Ques. One of the living symbols of virus is
(a) Obligate parasite
(b) Sporophyte
(c) Saprophyte
(d) None of these

Ans. (a)

Ques. Pulse polio immunization is being carried out with the aim
(a) To treat polio
(b) To prevent deformities due to polio
(c) To contain polio
(d) To eradicate polio

Ans. (d)

Related: Kingdom Animalia quiz

Ques. Bioluminiscence is caused by oxidation of
(a) Cytochroms
(b) Luciferin
(c) Phytochromes
(d) Chlorophyll

Ans. (b)

Ques. Edward Jenner discovered
(a) Vaccination against chicken pox
(b) Vaccination against small pox
(c) Immunization against chicken pox
(d) Immunization against small pox

Ans. (b)

Ques. A naked RNA particle causing the symptoms like that of a virus disease is known as
(a) Viroid
(b) Virion
(c) Viral
(d) None of these

Ans. (a)

Related: Kingdom Plantae questions answers

Ques. Streptomyces venezuelae yields
(a) Aureomycin
(b) Chloromycetin
(c) Tetracycline
(d) Streptomycin

Ans. (b)

Ques. Which of the following fixes CO­2­ in carbohydrates?
(a) Bacillus
(b) Rhizobium
(c) Nitrobacter
(d) Rhodospirillum

Ans. (d)

Related: General Science Quiz test

Ques. Azotobacter and Bacillus polymyxa are the examples of
(a) Symbiotic nitrogen fixers
(b) Non-symbiotic nitrogen fixers
(c) Disease causing bacteria
(d) Ammonifying bacteria

Ans. (b)

Ques. The microbial conversion of ammonia to nitrate is called as
(a) Ammonification
(b) Nitrification
(c) Denitrification
(d) Nitrogen fixation (N2-fixation)

Ans. (b)

 

About the author

Richa Bhardwaj

Richa (B. Tech) has keen interest in Science and loves to teach students about it through lectures and assignments. She always try to use simple language and sentences while writing to make sure learner understands everything properly.

What is water pollution? What is Inventory Management?