The Competitive Exclusion Principle

Q.

Statement 1: The phenomenon in competition is called “Competitive Exclusion Principle”.

Statement 2: The superior competitor eliminates the inferior one

1. Both statements 1 and 2 are correct and statement 2 is the correct explanation of statement 1.

2. Both statements 1 and 2 are correct and statement 2 is not the explanation of statement 1.

3. Statement 1 is correct and statement 2 is incorrect.

4. Both statements 1 and 2 are incorrect.

Q. One of the important consequences of geographical isolation is :

1. No change in the isolated fauna
2. Random creation of new species
3. Preventing speciation
4. Speciation through reproductive isolation

Q. The principle of competitive exclusion was stated by

1. Mac Arthur
2. Verhulst and Pearl
3. C. Darwin
4. G.F. Gause

Q.

Competition does not lead to the exclusion of a species, if they are

1. Distantly related species growing in the same habitat

2. Closely related species growing in the same habitat

3. Closely related species growing in different niches

4. Distantly related species growing in different habitats

Q.

Two different species cannot live for long, duration in the same niche or habitat. This law is _________

1. Allen’s law

2. Malthus theory

3. Weismann’s theory

4. Competition – exclusion principle

Q. Interspecific competition is always competition between two different species. In this kind of interaction, one species always loses out to the other competing species.

1. True
2. False