CampusFin

Some weeds actively eliminate competition by producing toxins that enter the soil and prevent the normal growth of other plants this phenomenon known as

Review the verified answer and explanation for this PPSC Punjab Public Service Commission past-paper question on CampusFin.

Some weeds actively eliminate competition by producing toxins that enter the soil and prevent the normal growth of other plants this phenomenon known as Answer: Allelopathy

Allelopathy is a biological process where an organism produces biochemicals (called allelochemicals) that influence the growth, survival, and reproduction of other organisms. In the case of weeds, these toxins are released into the soil, creating a "chemical warfare" that suppresses the growth of neighboring plants, including crops [2].

Question context

This question is part of 📚 General Knowledge within the broader 🌐 Current Affairs & GK subject and appears in the PPSC Punjab Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.