Mycorrhizae are the example of

(1) fungistasis                 

(2) amensalism

(3) antibiosis                   

(4) mutualism

Connell's elegant field experiments are related to:

1. Paramecium    

2. Barnacles        

3. Viruses           

4. Protozoans

Epiphytes growing on mango is an example of which type of the given population interaction?

1. Competition

2. Protocooperation

3. Commensalism

4. Mutualism

Which of the following associations shows mutualism?

(1) Fig and wasp         

(2) Barnacles on whale

(3) Roundworms in human intestine

(4) Orchids on mango tree

“Sexual deceit” is employed by

1. Ophrys to get pollinated.

2. Orchids on mango for shelter.

3. Cuckoo on crow.

4. Abingdon torgoise in Galapagos island.

Barnacles growing on the back a whale, a type of population interaction, is an example of

1. Competition

2. Mutualism

3. Amensalism

4. Commensalism

Which one of the following is a matching pair of certain organism(s) and the kind of

association?

1. Shark and sucker fish - predation

2. Algae and fungi in lichens - mutualism

3. Orchids growing on trees - parasitism

4. Cuscuta (dodder) growing in other flowering plants - epiphytism 

Match column I with column II and select the correct option from the codes given below.

Commensalism is an association of two species in which

1. one lives, attached to the other, without harming it

2. both organisms derive benefits from each other

3. one derives its nutrition from the other

4. none of the above

Select the wrongly matched pair

1. Predator - Herbivore.
2. Brood parasitism - Cuckoo.
3. Commensalism - Barnacles on the whale.
4. Mutualism - Sea anemone on a hermit crab.