Crop plants grown in monoculture are

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10.Biotechnology and its Application

normal

Crop plants grown in monoculture are

highly prone to pests

low in yield

free from intraspecific competition

characterised by poor root system.

(AIPMT-2006)

Solution

(a) : Monoculture describes systems that have very low diversity. Monoculture is the destruction of a diverse ecosystem and replacement with a single species or crop. It depletes the soil, fruits and vegetables become more susceptible to pests and diseases than those grown in a diverse crop environment, thus requiring larger amount of chemical spray.

Standard 12

Biology