Download PDF
Free download in PDF Bacteria Objective Type Questions & Answers for competitive exams. These Bacteria General Knowledge(GK) Objective Questions with Answers are important for competitive exams of Microbiology, Biology, Life Science, Bacteriology etc. These short solved questions or quizzes are provided by Gkseries.
(21)
Study of living microorganisms using
[A]
Hanging Drop Technique
[B]
Burri’ S Technique
[C]
Gram’ S Technique
[D]
Morozov’s Technique
Answer: Hanging Drop Technique
(22)
Spirochetes can be visualized by
[A]
Dark Field Microscopy
[B]
Silver Impregnation By Morozov
[C]
Romonovsky – Giemsa And Burry Methods
[D]
All The Above
(23)
Which of the following is true about fungi
[A]
Eukaryotes
[B]
Prokaryotes
[C]
Obligately parasitic
[D]
Can’t be grown on cell – free media
(24)
Defective viruses are
[A]
Varuses are genetically deficient and so incapable of producing infections daughtervirion
[B]
Infective agents with protein free, with low molecular weight RNA
[C]
Protein infections particles , lack detectable nucleic acid
[D]
Extrachromosomal genetic elements
Answer: Varuses are genetically deficient and so incapable of producing infections daughtervirion
(25)
Viroids are
[A]
Varuses are genetically deficient and so incapable of producing infections daughter virion
[B]
Infective agents with protein free, with low molecular weight RNA
[C]
Protein infections particles , lack detectable nucleic acid
[D]
Extrachromosomal genetic elements
Answer: Infective agents with protein free, with low molecular weight RNA
(26)
Dark ground microscopy is used for detection of
[A]
Spirochetes
[B]
Fangi
[C]
Chlamidia
[D]
Virus
(27)
Which of the following is true about mycoplasma?
[A]
Multiplication is by binary fission
[B]
Totally devoid of cell wall
[C]
Resistant to penicillin and its analogues
[D]
All the above
(28)
Chlamydias are
[A]
Non Motile
[B]
Obligately Parasitic
[C]
Can’ T Be Grown On Cell – Free Media
[D]
All The Above
(29)
To demonstrate flagella used
[A]
Anjesky’ s staining
[B]
Loefler’s technique
[C]
Burri’s technique
[D]
Morozov’ s staining
Answer: Morozov’ s staining
(30)
To demonstrate bacterial spores used
[A]
Anjesky’ s staining
[B]
Loefler’s technique
[C]
Burri’s technique
[D]
Morozov’ s staining
Answer: Anjesky’ s staining
31
Zichl-Neelsen staning consist of
[A]
2 stages
[B]
3 stages
[C]
4 stages
[D]
5 stages
32
Fixation of the smear is necessary for
[A]
To Killed Bacteria
[B]
For Preventing Bacteria Washing Off During Staining
[C]
For Best Staining
[D]
All Of The Above
33
Which of the following is a simple staining method
[A]
Gram
[B]
Zeil –Nelsen
[C]
Neisser
[D]
Burri
34
Gram positive microorganisms have
[A]
Violet Color
[B]
Pink-Red Color
[C]
Green Color
[D]
Black Color
35
A Gram positive bacterium retain crystal violet stain because
[A]
Cell Wall Include Significant Amount Of Teichoic And Lipoteichoic Acids
[B]
Bacteria Have Thick Peptidoglycan Layer
[C]
Periplasmie Space Is Absent
[D]
All Of The Above
36
A Gram negative bacterium does not retain crystal violet stain because
[A]
Bacteria Have Thin Peptidoglycan Layer
[B]
Bacteria Have Thick Peptidoglycan Layer
[C]
Periplasmie Space Is Absent
[D]
Cell Wall Include Significant Amount Of Teichoic And Lipoteichoic Acids
Answer: Bacteria Have Thick Peptidoglycan Layer
37
What is responsible for the endotoxin activity of LPS
[A]
Lipid A
[B]
Core Polysaccharide
[C]
O Antigen
[D]
All Of The Above
38
Which of the following is true about structure Gramm positive cell wall
[A]
Is Composed Of Thick Peptidoglycan Layer
[B]
Periplasmie Space Is Absent
[C]
Include Significant Amount Of Teichoic And Lipoteichoic Acids
[D]
All Of The Above
39
The organ of locomotion of bacteria is
[A]
Capsule
[B]
Slime
[C]
Flagella
[D]
Fimbriae
40
Which of the following organisms have thick peptidoglycan in their cell wall?
[A]
Gram-negative bacteria
[B]
Gram-positive bacteria
[C]
Yeast
[D]
Molds
Answer: Gram-positive bacteria
Please share this page