In microbial genetics, which one is referred to as Griffith effect?
Conjugation
Transduction
Transformation
Sexduction
Bacteria with single flagella at one end is called
Monotrichous
Lophotrichous
Amphitrichous
Peritrichous
Which of the following groups of organisms are ecologically similar ?
Producer protests and consumer protests
Monerans and producer protests
Consumer protests and fungi
Monerans and fungi
Who proposed five kingdom classification and named kingdoms as Monera, Protista, Fungi, Plantae and Animalia ?
Herbert Copeland
R H Whittaker
Carl Woese
Carolus Linnaeus
The autonomously independent self replicating extra nuclear DNA imparting certain factors to some bacterium is called
Plastid
Plasmid
Phagemid
Cosmid
Which of the following is a Gram negative bacterium ?
Escherichia coli
Bacillus subtillis
Streptomyces coelicolor
Ampycolatopsis orientalis
In Whittaker’s system of classification prokaryotes are placed in the kingdom
Protista
Monera
Plantae
Animalia
Cyanobacterium is an
Alga having blue-green pigments
Alga having red pigment
Alga having brown pigment
Alga having yellow-brown pigment
Free living, aerobic, non-photosynthetic, nitrogen fixing bacterium is
Azotobacter
E. coli
Nostoc
Salmonella
A bacterium is capable of withstanding extreme heat, dryness and toxic chemicals. This indicates that it is probably above to form
A thick petidoglycan wall
Endospores
Endotoxins
Endogenous buds
