Synecology is the study of
environment
individual
specific species
plant community
Correct Answer :
D. plant community
Related Questions
Pedology is the study of
soil
rocks
animal diseases
locomotion of animals
Silent valley of Kerala is preserved because
it contains timber trees
it harbours lions
it harbours elephants
it contains rare animals and plants
A food-chain consists of
producer only
producers and consumers
consumers only
decomposers only
Synecology is the study of
environment
individual
specific species
plant community
Synecology is the study of
community in relation to environment
individuals
environment
water
A pond is
a biome
a natural ecosystem
an artificial ecosystem
a community of plants and animals
All the living organisms on earth constitute
biome
biosphere
community
population
The most widespread form of symbiosis in nature is
mutualism
commensalism
predatism
parasitism
The main cause of soil erosion in India is
drought
heavy rainfall
deforestation
heavy winds
Which of the following is an anti-forest conservation activity ?
Economy in timbering
Clear falling of trees
Prevention of fibres
Preservation of wild animals
The whale is
primary producer
carnivorous secondary consumer
herbivorous
a decomposers
Strontium- 90 can cause
lung diseases
bone cancer
leukaemia
skin cancer
Which of the following atmospheric pollutants is not produced by the exhaust of motor vehicles in Delhi
Fly ash
Hydrocarbon gases
CO
Species that occur in different geographical regions separated by special barriers are
Allopatric
Autogenic
Sympatric
Allogenic
Which is the correct sequence in a food-chain
Grass > Wolf �Deer -^Buffalo
Grass � Snake �Insect �Deer
Grass -�Insect >Birds >Snake
Bacteria ->Grass ~>Rabbit -�Wolf
Association of a sea-anemone with hermit crab living in a gastropod shell is an example of
mutualism
commensalism
symbiosis
parasitism
The soils transported by water are called
peat
alluvial
colluvial
none of these
The first fish that eats upon the planktonic form is
carnivore
primary consumer
secondary consumer
decomposers
Smog is a combination of
air and water
water and smoke
smoke and fog
fire and water
Acid rain is
limited to industrial areas
presence of large quantity of SO^2 in the atmosphere
a natural phenomenon
presence of CO^2 in the atmosphere
An organism which lives at the expense of another organism is called
predator
prey
host
parasite
In an ecosystem the population of
primary producers is larger than that of primary consumers
secondary consumers is the largest because they are most powerful
primary consumers is the least dependent upon primary producers.
primary consumers outnumber primary producers
Plants growing on sea shores show characters of
hydrophytes
mesophytes
xerophytes
halophytes
The total set of feeding relationships in a biotic community is called
a food chain
trophic levels
food webs
ecosystem
Biological equilibrium is equilibrium among the
producers
producers and consumers
decomposers and producers
producers, consumers and decomposers
Some animals have a constant high body temperature. This is because
they like this temperature
they can work fast in the temperature
they prefer to live in cold region
they are active animals
When compared to the trophic level above, the total energy present in any given trophic level is necessarily
greater
lesser
the same
very small
When a big fish eats a small fish, which eats water fleas supported by phyto-plankton, the water-fleas are
producers
primary consumers
secondary consumers
top consumers in the food-chain
Trophic levels are formed by
plants only
animals only
organisms linked in food chains
all of these
The total interacting animals and plants in any well defined area which as field or a pond is known as
biosphere
biome
community
ecosystem