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Column I

A. Ladybird

B. Mycorrhiza

C. Biological control

D. Biogas

Column II

i. Methane bacterium

ii. Trichoderma

iii. Aphids

iv. Glomus

Answers (1)

The answer is the option (b) (i) (c), (ii) (d), (iii) (b), (iv) (a)

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Gurleen Kaur

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