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Crop plants grown in monoculture are

1. free from intraspecific competition
2. characterised by poor root system
3. highly prone to pests
4. low in yield

Correct answer: highly prone to pests

Solution

Monoculture means growing the same crop over a large area, so pests and diseases that specialize on that crop can spread rapidly. The lack of diversity removes natural barriers, making the crop highly vulnerable.

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