Question is ⇒ Which of the following has peptidoglycan as a major constituent of cell wall?, Options are ⇒ (A) Gram-negative bacteria, (B) Gram-positive bacteria, (C) Fungi, (D) None of these, (E) , Leave your comments or Download question paper.

Question is ⇒ Which of the following has peptidoglycan as a major constituent of cell wall?, Options are ⇒ (A) Gram-negative bacteria, (B) Gram-positive bacteria, (C) Fungi, (D) None of these, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	Which of the following has peptidoglycan as a major constituent of cell wall?
A.	Gram-negative bacteria [Wrong Answer]
B.	Gram-positive bacteria [Correct Answer]
C.	Fungi [Wrong Answer]
D.	None of these [Wrong Answer]
View Answer 2 -1 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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⇒ Peptidoglycan is found only in the bacterial
cell membrane
glycocalyx
cell wall
spore

⇒ Which of the following has peptidoglycan as a major constituent of cell wall?
Gram-negative bacteria
Gram-positive bacteria
Fungi
None of these

⇒ The common word for bacteria which are straight rod in shape is
cooci
bacilli
spirilla
pleomorphic

⇒ Peptidoglycan accounts for __________ of the dry weight of cell wall in many gram positive bacteria
50% or more
About 10%
11%+ 0.22%
About 20%

⇒ 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

⇒ The arrangement, in which flagella are distributed all round the bacterial cell, is known as
lophotrichous
amphitrichous
peritrichous
monotrichous

⇒ The structure responsible for motility of bacteria is
pilli
flagella
sheath
capsules

⇒ 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

⇒ Which is most likely to be exposed on the surface of a gram-negative bacterium?
Pore protein (porin)
Protein involved in energy generation
Lipoteichoic acid
Phospholipids

⇒ Which of the following does not contain protein?
Pili
Flagellum
Lipoteichoic acid
Porin

⇒ Which of the following organism has sterols in their cytoplasmic membrane?
Clostridum
Proteus
Mycoplasma
Bacillius

⇒ The other name for peptidoglycan is
mucopeptide
murein
both (a) & (b)
none of these

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

⇒ Microcapsules are composed of
proteins
polysaccharides
lipids
all of these

⇒ Which of the following bacteria lack a cell wall and are therefore resistant to penicillin?
Cyanobacteria
Mycoplasmas
Bdellovibrios
Spirochetes

⇒ 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

⇒ Bacteria having no flagella are unable to
move
reproduce
stick to tissue surfaces
grow in nutrient agar

⇒ Peptidoglycan is also known as
N-acetyl muramic acid
murein mucopeptide
N acetylglucosamine
mesodiaminopimetic acid

⇒ Periplasm is
the area between the inner and outer membranes of gram-negative bacteria
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 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

⇒ Cytoplasmic inclusions include
ribosomes
mesosomes
fat globules
all of these

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

⇒ The cell walls of many gram positive bacteria can be easily destroyed by the enzyme known as
lipase
lysozyme
pectinase
peroxidase

⇒ Which of the following may be most likely to be missing from a gram-positive bacterium?
Penicillin binding protein
Peptidoglycan
Lipopolysaccharide
Phospholipid bilayer membrane

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

⇒ Which of the following is analogous to mesosomes of bacteria?
Mitochondria of eukaryotes
Golgi apparatus of eukaryotes
Lysosomes of eukaryotes
None 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

⇒ 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

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

⇒ The common word for bacteria which are helically curved rods is
cooci
pleomorphic
bacillus
spirilla