excessive so2 in their air
excessive ammonia in the air
low temperature
high temperature
CO
Hydrocarbons
storage water
capillary water
field capacity
gravitational water
Solar energy
Hydro-power
Natural gas
All of these
suspended hydrophyte
submerged hydrophyte
floating and anchored plant
a free floating hydrophyte
Typha latifolia
Cyperus rotundus
Parthenium
Eichhornia
Kashmir
Kerala
Africa
America
the flora on land
the flora in ocean
a community of organisms interacting with each other
that part of earth and its atmosphere which inhabits living organisms
encouragement of growth of microbes to decompose sewage
disinfection of sewage
removal of heavy grit from sewage in the settling chambers
pumping of sewage into aeration tanks for increased microbial activity
Lichens
Algae
Fungus
Fems
Nitrogen
Carbon
Phospnorus
Oxygen
Marine
Freshwater
Grassland
Pond
the roots are starved
of the mechanical injury to roots
most of the aerial parts are eaten away
of the mechanical injury to branches
parasitic food chain
consumer food chain
detritus food chain
predator food chain
loam soil
clay soil
sandy soil
poeaty soil
halophytic
mesophytic
xerophytic
hydrophytic
when both organisms are benefited
when one organism is benefited without affecting the other
when one organism is affected
when both organisms are affected
natural geochemical cycles
the natural flora of a place
the natural wild life of a region
the natural balance of our environment
Tropical regions
Deserts
Temperate deciduous plants
Deserts
Protozoa
Oxygen produced by plants
Sunlight
Manure in the soil
Himachal Pradesh
Haryana
Tamil Nadu
Assam
purification of water
formation of soil
sterilization of soil
degradation of soil
Nitrosomonas
Azotobacter
Nitrobacter
Closteridium
producer - consumer - decomposer
decomposer - consumer - producer
producer - decomposer - consumer
consumer - producer - decomposer
green plants systhesize food
the green plants eat everything
they are fixed at a place
none of these
Adaptation
Acclimatisation
Colonisation
All the above
Forest prevent soil erosion
Forests act as water sheds
Forests have lots of water plants
Forests bring rainfall, in monsoon
closely related species growing in the same niche
closely related species growing in different habitats
distantly related species growing in same habitat
distantly related species growing in different habitats
Sufficient food will not be available to water organisms
Sufficient oxygen will not be available to water organisms
Drinking water will not be available
B.O.D value of water will decrease
sand-silt and clay
silt-sand and clay
clay-sand and silt
clay-silt and sand