Give any two microbes that are useful in biotechnology.
E.coli is a bacteria, the plasmid of it is used as a vector to introduce foreign $DNA$ segment. Bacillus thuringiensis is a bacteria, a gene from it is isolated and is inserted in cotton plants to produce insect resistant cotton plant called as $Bt$ cotton.
Which of the following organic acids was produced by fermentation
Match column $I$ with column $II$ and select the correct option using the codes given below.
Column $-I$ | Column $-II$ |
$(A)$ Citric acid | $(i)$ Trichoderma |
$(B)$ Cyclosporin $A$ | $(ii)$ Clostridium |
$(C)$ Statins | $(iii)$ Aspergillus |
$(D)$ Butyric acid | $(iv)$ Monascus |
Choose correct pair.
Column $- I$ | Column $- II$ |
$(I)$ Aspergillus niger | $(p)$ Lactic acid |
$(II)$ Acetobacter aceti | $(q)$ Acetic acid |
$(III)$ Lactobacillus | $(r)$ Citric acid |
$(IV)$ Clostridium butylicuml | $(s)$ Butyric acid |
$I$ $II$ $III$ $IV$
How was penicillin discovered ?
Identify bacteria.