grass � wolf > deer > buffalo
bacteria � grass � rabbit > wolf
grass � insect � bird � snake
grass > snake �insect � deer
C. grass � insect � bird � snake
Solar energy
Hydro-power
Natural gas
All of these
suspended hydrophyte
submerged hydrophyte
floating and anchored plant
a free floating hydrophyte
Succulents
Heterophyllous
Herbaceous
Viviparous
producer - consumer - decomposer
decomposer - consumer - producer
producer - decomposer - consumer
consumer - producer - decomposer
upright
inverted
upright or inverted
none of these
Himachal Pradesh
Haryana
Tamil Nadu
Assam
Bharatpur
Kaziranga
Silent Valley
Gir
parasitic food chain
consumer food chain
detritus food chain
predator food chain
A food chain is a chain of food consumers
A food chain is chain of food producers
A food chain is a series of organisms through which food energy flows in an ecosystem
None of the above
loam soil
clay soil
sandy soil
poeaty soil
A community of organisms interacting with one another
The abiotic component of a habitat
The part of the earth and its atmosphere which inhabits living organisms
The community of organisms together with environment in which they live
soil structure
organic colloids
crystalloids
none of the above
Marine
Freshwater
Grassland
Pond
decomposition of animals and plants by bacteria
photosynthesis by green plants
fermentation of sugars
sun-light
Kashmir
Kerala
Africa
America
frequent cyclones
rainfall
frequent landslides
erosion of soil surface
ozone
carbon monoxide and oxides of sulphur
hydrocarbons and hot air
algae spores and marsh gas
a food chain
genetic drift
ecological succession trend
a phylogenetic trend
Diatoms
Lichens
Mosses
Ferns
when both organisms are benefited
when one organism is benefited without affecting the other
when one organism is affected
when both organisms are affected
Nitrogen
Carbon
Phospnorus
Oxygen
storage water
capillary water
field capacity
gravitational water
Tropical regions
Deserts
Temperate deciduous plants
Deserts
Protozoa
Oxygen produced by plants
Sunlight
Manure in the soil
Darwin's birthday
World hygiene day
World environment day
World population day
Typha latifolia
Cyperus rotundus
Parthenium
Eichhornia
grass � wolf > deer > buffalo
bacteria � grass � rabbit > wolf
grass � insect � bird � snake
grass > snake �insect � deer
Taiga ecosystem
Tundra ecosystem
Savannah ecosystem
Tropical rainforest
Nitrosomonas
Azotobacter
Nitrobacter
Closteridium
Lichens
Algae
Fungus
Fems