Q179 / 180 · NEET 2016 (Phase 2) · Zoology

If ' + ' sign is assigned to beneficial interaction, ' – ' sign to detrimental and ' 0 ' sign to neutral interaction, then the population interaction represented by '+' '-' refers to

  • A
    Mutualism
  • B
    Amensalism
  • C
    Commensalism
  • Correct answer
    D
    Parasitism

Solution

Name of interaction Species A Species B
Mutualism + +
Protocooperation + +
Amensalism - 0
Commensalism + 0
Competition - -
Parasitism + -
Predation + -

 

Hence, the correct answer is option: 'D'.

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