Population Interactions Commensalism Protocooperation Mutualism

A sedentary sea anemone gets attached to the shell lining of a hermit crab. The association is:

1. Symbiosis

2. Commensalism

3. Amensalism

4. Ectoparasitism

An association of individuals of different species living in the same habitat and having functional interactions is known as:

1.	Ecological niche	2.	Biotic community
3.	Ecosystem	4.	Population

Mycorrhizae are the example of:

1. Amensalism

2. Antibiosis

3. Mutualism

4. Fungistasis

Given below are two statements:

Statement I:	Gause's competitive exclusion principle states that two closely related species competing for different resources cannot exist indefinitely.
Statement II:	According to Gause's principle, during competition, the inferior will be eliminated. This may be true if resources are limiting.

In the light of the above statements, choose the most appropriate answer from the options given below:

1.	Both Statement I and Statement II are False.
2.	Statement I is True but Statement II is False.
3.	Statement I is False but Statement II is True.
4.	Both Statement I and Statement II are True.

Epiphytes, that are growing on the mango branch, is an explanation of which of the following?

1.	Predation	2.	Amensalism
3.	Commensalism	4.	Mutualism

Given below are two statements :

Statement I:	Fig fruit is a non-vegetarian fruit as it has enclosed fig wasps in it.
Statement II:	Fig wasp and fig tree exhibit mutual relationship as fig wasp completes its life cycle in fig fruit and fig fruit gets pollinated by fig wasp.

In the light of the above statements, choose the most appropriate answer from the options given below:

1.	Statement I is correct but Statement II is incorrect
2.	Statement I is incorrect but Statement II is correct
3.	Both Statement I and Statement II are correct
4.	Both Statement I and Statement II are incorrect