Pyramid of numbers in a grassland/true ecosystem is
[1990, 91]
Food chain in which micro - organisms breakdown the food formed by primary producers is
[1991]
1 Crore+ students have signed up on EduRev. Have you? Download the App |
Pick up the correct food chain
[1991]
Pedology is science of
[1991]
Study of inter-relationships between organisms and their environment is
[1993]
Pyramid of numbers deals with number of
[1993]
Pyramid of numbers in a pond ecosystem is
[1993]
The pyramid which cannot be inverted in a stable ecosystem is that of
[1994]
In grass-deer-tiger food chain, grass biomass is one tonne. The tiger biomass shall be
[1994]
In a biotic community, the most important factor for survival of an animal is
[1994]
Second most important trophic level in a lake is
[1994]
Bulk CO2 fixation occurs in
[1994]
Desert plants are generally
[1995]
Which of the following does not have stomata?
[1995]
If we completely remove the decomposers from an ecosystem, its functioning will be adversely affected, because
[1995]
The primary succession refers to the development of communities on a
[1995]
Which of the following is the most stable ecosystem?
[1995]
In a biotic community, the primary consumers are
[1995]
Which of the following pairs is a sedimentary type of biogeochemical cycle?
[1995]
In a food chain, the largest population is that of
[1996]
The transfer of energ y from one trophic level to another is governed by the 2nd law of thermodynamics. The average efficiency of energy transfer from herbivores to carnivores is
[1996, 99]
Niche of a species in an ecosystem refers to its
[1996]
Which of the following ecosystems has highest rate of gross primary production?
[1997]
33 docs|83 tests
|
33 docs|83 tests
|