algae
bacteria
bryophyta
fungi
B. bacteria
algae
bacteria
bryophyta
fungi
fats
proteins
starch
oils
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
gram-positive bacteria
gram-negative bacteria
all bacteria
only some bacteria
fertile soil
water
human intestine
all of these
Nitrifying bacteria
Nitrogen fixing bacteria
Denitrifying bacteria
Putrefying bacteria
high temperature
moderately high temperature
moderate temperate
low temperature
Bacillus subtilis
Rhizobiunt
E. coli
None of these
cell wall
cytoplasm
ribosomes
endoplamic reticulum
fission
endospores
cyst
all of these
sexduction
transduction
conjugation
transformation
DNA
RNA
Chromosome
None of these
mitochondria
mesosomes
ribosomes
cell membrane
ammonia to nitrite
nitrite to nitrate
nitrate to free nitrogen
nitrogen to ammonia
bacterioviridim
bacteriochlorophy11
chlorophyll
both (a) and (c)
nucleus
chromosomes
reduction division
syngamy
Coccus
Bacillus
Spirillum
Vibrio
Rhizobium
Nitrosomonas
Beggiatoa
Nitrobacter
Staphylococcus
Streptococcus
Azotobacter
None of these
Water
Soil
Air
Human body
produce spores
have cell walls
cannot move
produce enzymes
asexually only
sexually only
mostly asexually
mostly sexually
chitin
mucopeptidc
lignin
suberin
atrichous
lophotrichous
amphitrichous
peritrichous
Escherichia coli
Clostridium botulinum
Both (a) and (b)
None of these
Bacillus coli
Streptococcus spp.
Pasteurella pestis
Clostridium tetani
Rhizobiunt
Azotobacter
Clostridium
Rhodospirilium
All bacteria are autotrophic
All bacteria are heterotrophic
All bacteria are photosynthetic
Most of the bacteria are heterotrophic but some are autotrophic
Sewage disposal
Nitrogen fixation
Emulsification of fat
None of these
monotrichous
peritrichous
amphitrichous
lophotrichous