Haryana PMT Haryana PMT Solved Paper-2006

  • question_answer
    Viscum album grows on trees. This is an example of:

    A)  symbiosis                          

    B)  parasitism

    C)  commensalism                

    D)  predation

    Correct Answer: B

    Solution :

                    Viscum album is a partial stem parasite that grows on silverfish, poplar, apple, walnut, oak etc. The parasite sends a primary haustorium into the host for sucking food Symbiosis is a  relationship were two organism of different species live together, e.g. Mycorrhiza,  symbiatic \[{{N}_{2}}-\]fixation. Commensalism is an associaton between  members      of     different     species. Where only one is benefitted and neither is harmed e.g., Linnas epiphytes. The predator is free living which catches and kills another species for food


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