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Plant diseases are broadly classified into nonparasitic and parasitic.(a) True(b) FalseThis question was addressed to me in semester exam.My doubt stems from Plant Diseases and their Control in chapter Strategies for Enhancement in Food Production of Biology – Class 12

Answer»

The correct answer is (a) True

Explanation: Plant diseases are broadly classified into TWO categories, nonparasitic and parasitic. Nonparasitic diseases are non-transmissible and are caused by physiological DISORDERS due to defective heredity or UNFAVOURABLE environment. Parasitic diseases are transmissible diseases which are caused by various categories of PATHOGENS.



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