Which bacterial cell structure plays a crucial role in conjugation, facilitating genetic exchange?
Flagella
Pili
Fimbriae
Capsule
Related Questions
What are episomes?
Hereditary DNA of bacterial cell
Extrachromosomal hereditary material of bacteria associated with nucleoid
Modification of the cell membrane performing respiration
None of the above
Leprosy occurs due to
TMV
Monocystis
Salmonella
Mycobacterium
Pasteurization is
Heating of liquid at 65°C
Heating of liquid between 65°C to 80°C followed by rapid cooling
Heating of solid at 65°C
None of the above
The common nitrogen-fixer in paddy fields is
Rhizobium
Azospirillum
Oscillatoria
Frankia
On the basis of their shape, bacteria are grouped under…categories
Three
Four
Five
Six
Bacteria are helpful in
Making curd from milk
Production of antibiotics
Fixing nitrogen in legume roots
All of the above
Which of the following are found in extreme saline conditions?
Mycobacteria
Archaebacteria
Eubacteria
Cyanobacteria
Pigments present in BGA include?
Chlorophyll b and carotenoids
Chlorophyll a, carotenoids, and phycobilins
Chlorophyll a and phycobilins only
Chlorophyll b, carotenoids, and xanthophylls
Crown gall disease in plants is caused by
Ti-plasmid
Pi-plasmid
Mycoplasma
Virus
Which of the following organisms lacks a cell wall?
Animal cell
Plant cell
Bacterial cell
Fungal cell
