Robert Koch
Louis Pasteur
A.V. Leeuwenhoeck
Robert Hooke
C. A.V. Leeuwenhoeck
DNA
RNA
Chromosome
None of these
Nitrifying bacteria
Nitrogen fixing bacteria
Denitrifying bacteria
Putrefying bacteria
chitin
mucopeptidc
lignin
suberin
Coccus
Bacillus
Spirillum
Vibrio
nucleus
chromosomes
reduction division
syngamy
ammonia to nitrite
nitrite to nitrate
nitrate to free nitrogen
nitrogen to ammonia
Sewage disposal
Nitrogen fixation
Emulsification of fat
None of these
algae
bacteria
bryophyta
fungi
Some bacteria are parasitic
Food poisoning is caused by products of putrefying bacteria
Bacteria reproduce by cell division, as often as once every twenty minutes
Bacteria manufacture food by help of chloroplasts
Rhizobium
Nitrosomonas
Beggiatoa
Nitrobacter
atrichous
lophotrichous
amphitrichous
peritrichous
All bacteria are autotrophic
All bacteria are heterotrophic
All bacteria are photosynthetic
Most of the bacteria are heterotrophic but some are autotrophic
Escherichia coli
Clostridium botulinum
Both (a) and (b)
None of these
sexduction
transduction
conjugation
transformation
high temperature
moderately high temperature
moderate temperate
low temperature
Water
Soil
Air
Human body
Mesosomes
Nucleoid
Chromatophores
Pili
Rhizobiunt
Azotobacter
Clostridium
Rhodospirilium
tanning of leather
flavouring of tea leaves
curdling of milk
none of these
gram-positive bacteria
gram-negative bacteria
all bacteria
only some bacteria
Bacillus coli
Streptococcus spp.
Pasteurella pestis
Clostridium tetani
fats
proteins
starch
oils
cell wall
cytoplasm
ribosomes
endoplamic reticulum
produce spores
have cell walls
cannot move
produce enzymes
fission
endospores
cyst
all of these
Staphylococcus
Streptococcus
Azotobacter
None of these
vibrio
cocci
spirilla
bacilli
monotrichous
peritrichous
amphitrichous
lophotrichous
Robert Koch
Louis Pasteur
A.V. Leeuwenhoeck
Robert Hooke
fertile soil
water
human intestine
all of these