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Match the following and choose the correct combination from the options given :
Column I Column II
(A) Escherichia coli (i) ‘nif’ gene
(B) Rhizobium meliloti (ii) Breakdown of hydrocarbons of crude oil
(C ) Bacillus thuringiensis (iii) Human insulin production
(D) Pseudomonas putida (iv) Biocontrol of fungal disease
(v) Biodegradable insecticide
A B C D
1. iii i v iv
2. i ii iii iv
3. ii i iii iv
4. iii i v ii

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answer is D.

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Detailed Solution

E.coli - used as host for insulin production.

Pseudomonas putida - clearing oil pollution.

Rhizobium meliloti - nif genes

Bacillus thuringiensis - Bio-insecticide

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