In a fish aquarium green aquatic plants are grown primarily for:
The earth’s atmosphere in which organisms live, is called:
A complex of several species and communities in various stages of succession maintained under similar climatic conditions is known as:
The non-green plants are as important as the green plants because they:
When peacock eats snakes which eat insects thriving on green plants, peacock is:
The whale is:
The study of interaction between living organisms and environment in a specific area is the study of:
An ecosystem is:
The first fish that eats upon the planktonic forms is:
Trophic levels are formed by:
The number of kinds of food chains:
Biosphere is that:
In a forest ecosystem, green plants are:
Which of the following is logical sequence of carbon cycle:
The pyramid of numbers in a grassland ecosystem will be:
In a food chain the largest population is that of:
The processes involving the transformation of carbon compounds on earth include:
The living steady state has a self-regulatory mechanism which is:
Energy flow and energy transformations in living systems strictly conform to the:
If all the green plants were to disappear from the earth:
Which group of three living organisms, given below is a link in food chain: Green plants …. Hawk:
Deers are:
A crocodile had just eaten a lamb when a hawk saw the crocodile attacked it, and consumed it. The hawk is in ecological terms:
If organisms are arranged according to predator-prey relationship one always finds more of prey species then of predator. This is called a:
The bacteria which attack the dead animals are:
A plant, being eaten by a herbivore which in turn is eaten by a carnivore, makes a:
When a big fish eats a small fish, which easts water-fleas supported by phytoplankton, the water leas are:
The number of producers and consumers in an ecosystem is mutually controlled by a:
In an ecosystem, the population of:
The cycling of elements in an ecosystem is called:
The zooplanktonic forms are:
What is contributed from the outer space in an ecosystem?
Which one of the following is a reversible source of energy?
Ecological pyramids are of:
The decomposers in an ecosystem constitute the following trophic level:
Ecosystem creates:
The primary productivity is minimum in the following ecosystem:
If precise quantitative measurements are made on a convened ecosystem in a laboratory, we will find amounts of which of the following to be a one-way flow rather than cyclic?
Tip of ecological pyramid is occupied by:
Which is a primary consumer?
The transfer of energy from organism to organism is a natural community establishes:
Which of the following is non-renewable source of energy:
In forest ecosystem, pyramid of number is:
The trophic level of lion is a forest ecosystem is:
The pyramid of energy is always:
The driving force of the ecosystem is:
The two major functional components of an ecosystem are:
Man is a:
If carbon dioxide is withdrawn from the biosphere, which organism would first experience negative effect?
The gross primary production is maximum in the following ecosystem:
In lake ecosystem, the pyramid of biomass is:

Biome’ is:

A. A community of organisms interacting with one another
B. That part of the earth and its atmosphere, which inhabits living organisms
C. The flora on land
D. The flora in an ocean

Correct Answer: That part of the earth and its atmosphere, which inhabits living organisms ✔

Last Updated: May 16, 2024