MICROBIAL RECOMBINATION AND GENE TRANSFER QUIZ

The chromosomal genes, possessing fertility factor is known as

F prime factor

R factor

F factor

HFr

TRUE ANSWER : ?
YOUR ANSWER : ?

The type of recombination that commonly occurs between a pair of homologous DNA sequences is,

general recombination

site-specific recombination

replicative recombination

mutagenic recombination

TRUE ANSWER : ?
YOUR ANSWER : ?

Inverted repeat sequences at each end and a gene encoding transposase is contained in which of the following transposable element?

Insertion element

Composite transposon

Virus

Plasmid

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following genetic elements carry the genes required for integration into host chromosomes?

Transposons

Tandons

Replicon

Plasmids

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following plamids do not possess information for self transfer to another cell?

Non-conjugative plasmids

None of these

Cryptic plasmids

Conjugative plasmids

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YOUR ANSWER : ?

The transposase gene encodes an enzyme that facilitate

None of these

site-specific integration of transposable elements

general recombination

viral replication within a genome

TRUE ANSWER : ?
YOUR ANSWER : ?

Penicillin resistance in staphylococci is acquired due to

transduction

conjugation

mutation

transformation

TRUE ANSWER : ?
YOUR ANSWER : ?

The plasmid-mediated properties is/are

all of these

resistance to antibiotics

fermentation of lactose

production of enterotoxin

TRUE ANSWER : ?
YOUR ANSWER : ?

The term used for acquisition of naked DNA from its environment and its incorporation in their genome by a bacterium is

transduction

transformation

conjugation

lysogenic conversion

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YOUR ANSWER : ?

R factors involved in plant-microbe interactions are

bacterial proteins

also called opines

plant proteins

essential for transfer of DNA to plant cells

TRUE ANSWER : ?
YOUR ANSWER : ?

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