MCQ
In cheese microorganisms are required for:
- ARipening only.
- BSouring of milk only.
- CSouring and ripening.
- DDevelopment of resistance to spoilage.
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| $(a)$ Bacillus thuringiensis | $(i)$ Cloning vector |
| $(b)$ Thermus aquaticus | $(ii)$ Construction of first $rDNA$ molecule |
| $(c)$ Agrobacterium tumefaciens | $(iii)$ $DNA$polymerase |
| $(d)$ Salmonella typhimurium | $(iv)$ Cry proteins |
Select the correct option from the following:
$(a)\quad(b)\quad(c)\quad(d)$