BIOLOGY M.C.Q (1 Marks)

The natural interconnection of food chain is called:

The trophic level of green plants in food chain is:

The mutualistic relationship between the stinging tentacles of a sea anemone and the clown fishe is

Primary productivity in an ecosystem is expressed as:

Productivity can be expressed in which of the following forms?

Flow of energy in food web is :

_____________ obtain their food from dead plants and animal parts.

Man made ecosystem is:

What amount of assimilated energy is consumed by carnivores in respiration?

In which alternative pathway of flow of energy are found?

The process of modification of the environment through the influence of living organisms or successive plant communities is:

The connecting link between abiotic and biotic components in an ecosystem is:

The amount of inorganic substances present in an ecosystem at a given time is known as:

When a sparrow eats seeds, fruits and peas, it is called:

The ecological pyramid which is generally studied is:

The specific amount of living at each trophic level known as:

An important step in the process of decomposition is:

A dark coloured amorphous substance is formed by the proces of humification, which is called:

Bacteria and fungal enzymes break down the detritus into simple inorganic substances. This process is called:

What are detritus made up of ?

What is obtained by subtracting the losses during respiration from gross primary productivity?

The rate of production of biomass is called :

At which level do herbs and grasses reside?