Question is ⇒ Chemotaxis is a phenomenon of, Options are ⇒ (A) swimming away of bacteria, (B) swimming towards a bacteria, (C) swimming away or towards of bacteria in presence of chemical compound, (D) none of the above, (E) , Leave your comments or Download question paper.

Question is ⇒ Chemotaxis is a phenomenon of, Options are ⇒ (A) swimming away of bacteria, (B) swimming towards a bacteria, (C) swimming away or towards of bacteria in presence of chemical compound, (D) none of the above, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	Chemotaxis is a phenomenon of
A.	swimming away of bacteria [Wrong Answer]
B.	swimming towards a bacteria [Wrong Answer]
C.	swimming away or towards of bacteria in presence of chemical compound [Correct Answer]
D.	none of the above [Wrong Answer]
View Answer 2 -2 Explanation:- Answer : C 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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⇒ 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

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

⇒ Chemically the capsule may be
polypeptide
polysaccharide
either (a) or (b)
none of these

⇒ Peptidoglycan is found only in the bacterial
cell membrane
glycocalyx
cell wall
spore

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

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

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

⇒ The common word for bacteria which are spherical in shape is
cocci
bacilli
spirilla
pleomorphic

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

⇒ 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

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

⇒ The next to last step in peptidoglycan biosynthesis is
synthesis of the NAM-peptide subunit
removal of the subunit from bactoprenol
linking the sugar of the disaccharide-peptide unit to the growing peptidoglycan chain
cross-linking the peptide side chains of peptidoglycan

⇒ The bacteria deficient in cell wall is
Treponema
Mycoplasma
Staphylococcus
Klebsiella

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

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

⇒ Which of the following is exposed on the outer surface of a gram-negative bacterium?
O-antigen of lipopolysaccharide (LPS)
Polysaccharide portion of lipoteichoic acid (LTA)
Braun lipoprotein
Electron transport system components

⇒ 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 bunch and irregular pattern are
Staphylococci
diplococci
Tetracocci
Streptococci

⇒ Genetic system is located in the prokaryotes in
nucleoid
chromatin
nuclear material
all of these

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

⇒ Microcapsules are composed of
proteins
polysaccharides
lipids
all of these

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

⇒ In which of the following, lipo-polysaccharide is a major constituent of outer membrane of the cellwall?
Gram-positive bacteria
Gram-negative bacteria
Fungi
None of these

⇒ Cytoplasmic inclusions include
ribosomes
mesosomes
fat globules
all 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

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

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

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

⇒ 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%