Population Interactions

Q.

A group of similar individuals living in a given area with the potential to interbreed in nature contitute a:

1. groups

2. community

3. population

4. species

Q.

All the members of a single species occupying a particular area at a particular time constitute the ___

1. Neighbourhood
2. Community
3. Gene pool
4. Population

Q.

Predation and parasitism are which type of interactions

1. a.+, +

2. -, -

3. +, 0

4. +, -

Q. Match the Column I with the Column II and choose the correct option

1. e
2. f
3. g
4. h

Q.

An interaction favourable to both populations but not obligatory to either is

1. proto co-operation
2. mutualism
3. commensalism
4. parasite

Q.

Populations of insects and green plants in a particular region is always balanced. This balance and equilibrium is achieved by various processes in ___.

1. Microbial community

2. Plant community

3. Insect community

4. Ecosystem

Q.

A bird enters the mouth of a crocodile and feeds on parasitic leeches. The bird gets food and crocodile gets rid of the blood sucking leeches. Both the partners can live independently. Such an association is:

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

Q. Energy is always transferred from the prey to the predator.

1. False
2. True

Q. Match the organisms with the type of interaction they represent.

1. Mutualism
2. Predation
3. Parasitism

Q. In parasitism, both the host as well as the parasite is benefited.

1. False
2. True