Top 150+ Solved History of Microbiology MCQ Questions Answer
Q. According to Pasteur statements which one of the following is true
a. Living organisms discriminate between stereoisomers
b. Fermentation is a aerobic process
c. Living organisms doesn’t discriminate between stereoisomers
d. Both a and b
Q. The principle light- trapping pigment molecule in plants, Algae, and cyanobacteria is
a. Chlorophyll a
b. Chlorophyll b
c. Porphyrin
d. Rhodapsin
Q. During Bio Geo chemical cycle some amount of elemental carbon was utilized by the microorganisms. The phenomenon is called as
a. Dissimilation
b. Immobilization
c. Decomposition
d. Neutralization
Q. Who demonstrated that open tubes of broth remained free of bacteria when air was free of dust.
a. Abbc Spallanzani
b. John Tyndall
c. Francisco Redi
d. Pasteur
Q. Reverse isolation would be appropriatefor
a. a patient with tuberculosis
b. a patient who has had minor surgery
c. a patient with glaucoma
d. a patient with leukemia
Q. The symptome “ general feeling of illness and discomfort “ is called
a. Cystiti
b. Malaise
c. Anaphylactic shoc
d. Arthritis
Q. On soybean which of the following formssymbiotism
a. Azatobactor paspali
b. Rhizobium
c. Nostoc
d. Bradyrhizobium
Q. Who provide the evidence that bacteriophage nucleic acid but not protein enters thehost cell during infection
a. Alfred D.Hershey & Leonard Tatum in 1951.
b. Alfred D.Hershey & Zindar Lederberg in 1951.
c. Alfred
d. Hershey & Martha Chase in 1952.
Q. The light emitted by luminescent bacteriais mediated by the enzyme
a. Coenzyme Q
b. Luciferase
c. Lactose dehydrogenase
d. Carboxylase reductase
Q. Pick out the vector using in humanGenome project
a. Phagemid vector
b. Yeast artificial chromosomes
c. Cosmid vectors
d. Yeast episomal plasmids
Q. Salt and sugar preserve foods becausethey
a. Make them acid
b. Produce a hypotonic environment
c. Deplete nutrients
d. Produce a hypertonic environment
Q. In a fluorescent microscope the objectivelens is made of
a. Glas
b. Quartz
c. Polythene
d. None of these