When compared to the trophic level above, the total energy present in any given trophic level is necessarily
greater
lesser
the same
very small
Correct Answer :
A. greater
Related Questions
The transitional zone where two different types of communities meet is called the
Ecotype
Littoral
Ecotone
Both and
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
Which one is the direct ecological factor ?
Soil structure
Wind
Temperature
Climate
One always finds many more of the prey species than of the predator. This is called a
food web
pyramid of numbers
pyramid of succession
none of these
Which of the following atmospheric pollutants is not produced by the exhaust of motor vehicles in Delhi
Fly ash
Hydrocarbon gases
CO
Animals which live at the bottom of the sea are called
leutic
benthic
pelagic
none of these
Biome is
a part of the earth and its atmosphere which inhabits livings organisms
a community of organisms interacting with each other
the fauna and flora on land
the fauna and flora on ocean
A pond is
a biome
a natural ecosystem
an artificial ecosystem
a community of plants and animals
Silent valley of Kerala is preserved because
it contains timber trees
it harbours lions
it harbours elephants
it contains rare animals and plants
Animals in cold regions have fur because
hair is a good insulating material
hairs trap air which acts as insulator
they like fur
none of these
Trophic levels are formed by
plants only
animals only
organisms linked in food chains
all of these
The soils transported by water are called
peat
alluvial
colluvial
none of these
Bio tic factors are
chemical factors of soil which affect life
physical factors of soil which affect life
all living organisms which influence other organisms
factors of atmosphere which affect life
Which of the following is normally not an important atmospheric pollutant
CO
Hydro-carbon
All the living organisms on earth constitute
biome
biosphere
community
population
In a food-chain, the saprophytic organisms are
producers
consumers
predators
decomposers
The source of energy in an ecosystem is
light received from sun
heat liberated during respiration
heat liberated during fermentation
none of these
Birth rate under ideal conditions is known as
mortality
natality
both and
none of these
Gas liberated in Bhopal gas tragedy was
methyl isocyanide
phenyl isocyanide
ethylene
acetylene
The energy storage of consumer level is called
gross primary productivity
net primary productivity
secondary productivity
none of these
The first fish that eats upon the planktonic form is
carnivore
primary consumer
secondary consumer
decomposers
Soil particles are arranged in order of increasing size are
sand, silt and clay
silt, sand and clay
clay, sand and silt
clay, silt and sand
Strontium- 90 can cause
lung diseases
bone cancer
leukaemia
skin cancer
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
The main cause of soil erosion in India is
drought
heavy rainfall
deforestation
heavy winds
Ultra-violet radiation from sunlight causes the reaction that produce
CO
Fluorides
The total set of feeding relationships in a biotic community is called
a food chain
trophic levels
food webs
ecosystem
Synecology is the study of
environment
individual
specific species
plant community
An organism which lives at the expense of another organism is called
predator
prey
host
parasite
A food-chain consists of
producer only
producers and consumers
consumers only
decomposers only