Question is ⇒ Genetic system is located in the prokaryotes in, Options are ⇒ (A) nucleoid, (B) chromatin, (C) nuclear material, (D) all of these, (E) , Leave your comments or Download question paper.

Question is ⇒ Genetic system is located in the prokaryotes in, Options are ⇒ (A) nucleoid, (B) chromatin, (C) nuclear material, (D) all of these, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	Genetic system is located in the prokaryotes in
A.	nucleoid [Wrong Answer]
B.	chromatin [Wrong Answer]
C.	nuclear material [Wrong Answer]
D.	all of these [Correct Answer]
View Answer 4 -7 Explanation:- Answer : D 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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⇒ 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

⇒ Microcapsules are composed of
proteins
polysaccharides
lipids
all of these

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

⇒ Swimming towards a chemical of bacteria is termed as
positive chemotaxis
negative chemotaxis
phototaxis
magnetotaxis

⇒ 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

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

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

⇒ The cooci which mostly occur in single or pairs are
Streptococci
Diplococci
Tetracocci
None 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
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⇒ The cocci which forms a chain is
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⇒ Which of the following is analogous to mesosomes of bacteria?
Mitochondria of eukaryotes
Golgi apparatus of eukaryotes
Lysosomes of eukaryotes
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⇒ The location where the bacterial chromosome concentrates is called
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⇒ 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
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β-1,6-glycosidic bond
α- 1,6-glycosidic bond
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⇒ The protein from which hook and filaments of flagella are composed of, is
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⇒ Which of the following may be most likely to be missing from a gram-positive bacterium?
Penicillin binding protein
Peptidoglycan
Lipopolysaccharide
Phospholipid bilayer membrane

⇒ 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
None of the above

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

⇒ 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 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

⇒ 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

⇒ 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

⇒ A single polar flagella is known as
monotrichous
lophotrichous
amphitrichous
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⇒ Chemically the capsule may be
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polysaccharide
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none of these

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

⇒ A cluster of polar flagella is called
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amphitrichous
monotrichous
petritrichous

⇒ 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

⇒ Genetic system is located in the prokaryotes in
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chromatin
nuclear material
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⇒ 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
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⇒ The arrangement, in which flagella are distributed all round the bacterial cell, is known as
lophotrichous
amphitrichous
peritrichous
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⇒ Single or clusters of flagella at both poles is known as
monotrichous
petritrichous
amphitrichous
none of these