Question is ⇒ The bacteria deficient in cell wall is, Options are ⇒ (A) Treponema, (B) Mycoplasma, (C) Staphylococcus, (D) Klebsiella, (E) , Leave your comments or Download question paper.

Question is ⇒ The bacteria deficient in cell wall is, Options are ⇒ (A) Treponema, (B) Mycoplasma, (C) Staphylococcus, (D) Klebsiella, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	The bacteria deficient in cell wall is
A.	Treponema [Wrong Answer]
B.	Mycoplasma [Correct Answer]
C.	Staphylococcus [Wrong Answer]
D.	Klebsiella [Wrong Answer]
View Answer 1 -3 Explanation:- Answer : B Discuss it below : !! OOPS Login [Click here] is required to post your answer/result Help other students, write article, leave your comments

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⇒ A single polar flagella is known as
monotrichous
lophotrichous
amphitrichous
none of these

⇒ Which of the following bacterial genera (that produces endospore) have medical importance?
Clostridium
Bacillus
Both (a) and (b)
None of these

⇒ Chemotaxis is a phenomenon of
swimming away of bacteria
swimming towards a bacteria
swimming away or towards of bacteria in presence of chemical compound
none of the above

⇒ Teichoic acids are typically found in
cell walls of gram positive bacteria
outer membranes of gram positive bacteria
cell walls of gram negative bacteria
outer membranes of gram negative bacteria

⇒ Which of the following structure(s) is /are external to cell wall?
Flagella
Stalks
Sheath
All of these

⇒ Name the component of flagellum.
Filament
Hook
Basal body
All of these

⇒ Microcapsules are composed of
proteins
polysaccharides
lipids
all of these

⇒ The last step in synthesis of peptidoglycan is
attachment of a peptide to muramic acid
attaching two amino acids to form a cross-link
attachment of a portion of peptidoglycan to a membrane lipid
binding of penicillin to a membrane protein

⇒ Which of the following organism has sterols in their cytoplasmic membrane?
Clostridum
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⇒ Which is most likely to be exposed on the surface of a gram-negative bacterium?
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⇒ The common word for bacteria which are spherical in shape is
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bacilli
spirilla
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⇒ Swimming towards a chemical of bacteria is termed as
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negative chemotaxis
phototaxis
magnetotaxis

⇒ The cell wall of
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gram-negative bacteria are thicker than gram-positive bacteria
both have same thickness but composition is different
none of these

⇒ Flagella move the cell by
many flagella beating in a synchronous, whip-like motion
an individual flagellum beating in a whip-like motion
spinning like a propeller
attaching to nearby particles and contracting

⇒ Which of the following is true about cell wall of gram-positive bacteria?
It consists of multiple layers
It is thicker than that associated with gram-negative bacteria
It contains teichoic acids
All of these

⇒ Single or clusters of flagella at both poles is known as
monotrichous
petritrichous
amphitrichous
none of these

⇒ The cell walls of Gram positive bacteria contain two modified sugar, viz. N- acetylgucosamine (NAG) and N- acetylmuramic acid (NAM). They are covalently linked by
α- 1,4-glycosidic bond
β-1,6-glycosidic bond
α- 1,6-glycosidic bond
β- 1,4-glycosidic bond

⇒ Which of the following is not true about peptidoglycan?
It is a polymer consisting of N-acetyl glucosamine, N-acetyl muramic acid and amino acids (alanine, lysine, etc.)
It is present in prokaryotic cell wall
It occurs in the form of a bag shaped macro molecule surrounding the cytoplasm membrane
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⇒ Gram positive cells have a
second outer membrane that helps to retain the crystal violet stain
multiple layer of peptidoglycan that helps to retain the crystal violet stain
thick capsule that traps the crystal violet stain
periplasmic space that traps the crystal violet

⇒ The cocci which forms a chain is
Streptococci
diplococci
Staphylococci
Tetracocci

⇒ Periplasm is
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the area between the inner and outer membranes of Gram-positive bacteria
the interior portion of mitochondria
the area outside the cell membrane that is influenced by the polymers

⇒ Which of the following has Chinese letter arrangement?
Bacillus anthracis
Mycobacterium tuberculosis
Clostridium tetani
Corynebacterium diphtheriae

⇒ The protein from which hook and filaments of flagella are composed of, is
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flagellin
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⇒ The location where the bacterial chromosome concentrates is called
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nuclein
nucleoid
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⇒ Bacteria having no flagella are unable to
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reproduce
stick to tissue surfaces
grow in nutrient agar

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Diplococci
Tetracocci
None of these

⇒ A cluster of polar flagella is called
lophotrichous
amphitrichous
monotrichous
petritrichous

⇒ In eukaryotic cells, ribosomes are
70S
60S
80S
Not specific