When one population is harmed and the other remains unaffected the relationship is called:

Related Mcqs:

1. The type of relationship where weaker partner is benefitted and stronger remains unaffected is sometime called:

   A. Allotropy
   B. Allelopathy
   C. Synnecrosis
   D. Allolimy

2. An association between two organisms belonging to different species, which live together for mutual benefit or on partner gets benefit and other, is neither benefited nor harmed is known as:

   A. Predation
   B. Parasitism
   C. Symbiosis
   D. None of these

3. Study of relationship between communities and environment is called:

   A. Autecology
   B. Ethology
   C. Ecology
   D. Syncology

4. A population of individuals of a species which are interfertile but differ genetically is called:

   A. Ecad
   B. Ecotone
   C. Ecotype
   D. Biome

5. A population of individuals from the same genetic stock but differing in their morphology is called:

   A. Ecotype
   B. Ecad
   C. Ecotone
   D. Life form

6. If organisms are arranged according to predator-prey relationship one always finds more of prey species then of predator. This is called a:

   A. Food web
   B. Pyramid of numbers
   C. Succession
   D. Predator-prey relationship

7. To eat and being eaten relationship is called:

   A. Food chain
   B. Food web
   C. Symbiosis
   D. Phagocytosis

8. The amount of living matter present in a component population of a particular trophic level is called:

   A. Standing crop
   B. Standing quality
   C. Both (a) & (b)
   D. Standing state

9. The relationship between the alga Microcystis and the surrounding fauna corresponds to:

   A. Amensalism
   B. Parasitism
   C. Predation
   D. Exploitation

10. Odum did not recognise the following relationship as a positive interaction:

    A. Commensalism
    B. Protoco-operation
    C. Mutualism
    D. Antibiosis