Principle building block of many kinds of biomolecules:

Which of the following is a renewable natural resource?

A group of organisms which can interbreed freely in nature to produce fertile offspring:

Suckerfish is an example of which of the following relationship:

Following are examples of abiotic components except:

Interactions between the members of same species are called:

Consumers that eat plants as well as flesh are called:

Example of herbivore:

Utilization of nitrates by organisms when they feed on plants is called:

Followings are effects of deforestation except:

Primary source of energy is:

Which of the following is not a carnivorous plant?

Which one of the following is an abiotic component of our ecosystem?

Organisms that feeds directly on plant products are called:

Example of ectoparasite:

Favorable variations tend to be:

Example of symbiosis relationship:

How many tanneries are operating in  Kasur?

Which of the following is an example of tertiary carnivore?

Which one of the following is not an example of ectoparasite?