The term niche was proposed by:

Once nitrate enters the plant cell it is reduced as:

Which one of the following is a parasite:

10.Food chains combine to form:

Intfestations are the diseases which are caused by _______ in living organisms.

The role played by an individual in a communtiy is :

Study of single population relationship to its environments is called

The bacteria living in the root nodules of the legume plants serve to fix atmospheric.

In xerosere, Polytrichum and tortula represent:

The total energy from sun is trapped by producer in an ecosystem is:

The total production of organic matter by green plants minus respiratory loss is called :

Synecology is also known as the

Which one of the following is autotroph:

Succession starts on dry soil is called:

The actual location of place, where an organism lives is called Its:

One of the following is an example of predator-prey relationship:

Group of individuals which can interbreed & produce organisms of their own kind form a:

The relationship between insects and flowering plants is the example of

A symbiotic relationship that benefits one species & neither helps nor harms the other is called:

When bacteria in soil oxidize ammonia or ammonium ions, this Is called:

If population of predator increases then population of prey.

Climax is the establishment of

Nitrogen is balanced by:

6.The study of growth responses of plant is called:

4.Layer of earth where life is present is called:

Who defined the niche as the species occupation ?

5.The relationship of a single population towards its environment is called:

A change In the community, structure of an ecosystem over a period of time is :

Production of new organic matter at the consumers level is called :

In ecosystem the word teco is related to:

One of the following is an example of predator-prey relationship:

During energy transformation at different trophic leVels, the energy lost as heat is in range:

In each case succession is initiated by a few hardy invaders called:

How does a predators react to population density of prey?

The actual location of place, where an organism lives is called Its:

8."Litho" means:

Diseases in living organisms caused by parasites are called:

Which one is responsible for the conversion of nitrites into nitrates ?

Moss stage is represented by :

The animal that is caught and eaten is called :

In which of the following from nitrogen enters into plant bodies ?

Study of relationship of different communities to environment is called:

The process in which micro-organisms use the proteins and amino acids and release ammonia of ammonium ions is known as :

Microorganisms while use protein, release ammonia. This process is:

In 1917, term niche was first proposed by AmericanOrnithologist named

Biome is a :

The seral stages of a primary succession are:

C.Eton defined the Niche as the species

The bacteria In the root nodules fix nitrogen and convert it into:

Who proposed the term Niche in Ecology:

What is the net production of the total photosynthate after the use by plants themselves?

In a grassland food chain, what is the correct sequence:

A loclized group of individuals belonging to the same species is called as :

3.Regional ecological community of plants & animals form:

The total energy from sun is trapped by producer in an ecosystem is:

Grazera feeds on:

Elements required in large amounts are called:

The succession which occur in dry soil or rock is:

Of the total sunlight that strikes the earth, what amount of it is absorbed by photosynthetic machinery?

7."Atrno" means:

Herbaceous stage in xerosere is the

Charles Eton defined the niche as the species's :

The study of relationships of organisms to their environment is known as:

The abiotic component of an ecosystem is :

Which one of the following refers to commensalisms:

The living organisms which can prepare their own food are:

Land lifeless structure is referred by the stage:

Which one of the following is an ectoparasite:

The major compononts of ecosystem are:

An association between two organisms by which both are benefited is called:

Balance of ecosystem is kept by:

The succession in pond is called:

Consumer that preys other animals is known as:

All the food chains begin with:

Group of interbreeding organisms residing together in space & time are:

The bacteria in the root nodules fix nitrogen and convert it into:

9.Fungi as well as bacteria are generally known as:

Primary succession starting in a pond is called:

A group of inter-breeding individuals, beloging to same species and sharing a common geophraphic area, is called :

Lithosphere includes:

Lichens are an example of :

The distinct levels or link of food chain are called:

The change In structure of community of an ecosystem during a time