Population Interactions

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2026 1 question

  1. Choose the correct statements regarding population interactions between two species. I. In both parasitism and commensalism, only one species benefits and the other species is harmed. II. Both species benefit in mutualism. III. Both species benefit in commensalism. IV. In parasitism, only one species benefits and the other species is harmed. V. In amensalism, one species is harmed and the other is unaffected. Choose the CORRECT answer from the options given below:

2025 1 question

  1. Epiphytes that are growing on a mango branch is an example of which of the following?

2023 2 questions

  1. Match List-I (Interaction) with List-II (Species A And B)
  2. Match List-I (Interacting species) with List-II (Name of Interaction).

2022 1 question

  1. While explaining interspecific interaction of population, (+) sign is assigned for beneficial interaction, (–) sign is assigned for detrimental interaction and (0) for neutral interaction. Which of the following interactions can be assigned (+) for one species and (–) for another species involved in the interaction?