Science Questions

The 10% law of energy transfer in a food chain was given by:

If 1000 J of energy is present at the producer level, how much energy will be available to the secondary consumer?

Which of the following represents a correct parasitic relationship?

In an ecosystem, the flow of energy is always:

Which of the following is the 'climax community' in a typical forest succession?

What is the role of Nitrosomonas bacteria in the Nitrogen Cycle?

Identify the relationship where both species benefit from each other.

Which ecological pyramid can never be inverted in a natural ecosystem?

The accumulation of non-biodegradable pesticides in the food chain is called:

Which of the following is an example of an endoparasite?

Eutrophication in a lake is primarily caused by an excess of:

The actual area or specific functional role an organism plays in its habitat is its:

What happens to the amount of available energy as it moves from lower to higher trophic levels?

Which of the following is a 'detritivore'?

The primary cause of the depletion of the ozone layer is:

In the carbon cycle, through which process is carbon returned to the atmosphere?

A 'Pioneer species' in primary succession on bare rock is usually:

Which of these is an example of an 'In-situ' conservation method?

Which animal is the top predator in a grassland food chain: Grass -> Insect -> Frog -> Snake -> Hawk?

The conversion of atmospheric nitrogen into nitrates by bacteria in the soil is called: