Micro-organisms are used in:

  • A
    Sewage disposal
  • B
    Biological control of diseases
  • C
    Biological warfare
  • D
    All the above

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Similar Questions

Match the following columns:
Column $I$ Column $II$
$1.$ $LAB$ $a.$ Quantum $-4000$
$2.$ $Propionibacterium$ $shermanii$ $b.$ Free-living $N_2$-fixer
$3.$ $Acetobacter$ $aceti$ $c.$ Lactic acid production
$4.$ $Clostridium$ $butylicum$ $d.$ Swiss cheese
$5.$ $Pseudomonas$ $e.$ Biogas
$6.$ $Azospirillum$ $f.$ Acetic acid
$g.$ Butyric acid

Which of the following is an incorrectly matched pair?

Choose the correct combination:
Column-$I$ Column-$II$
$A$. Escherichia coli $I$. Nif gene
$B$. Rhizobium melilotae $II$. Digestive hydrocarbon of crude oil
$C$. Bacillus thuringiensis $III$. Production of human insulin
$D$. Pseudomonas putida $IV$. Biological control of fungal disease
$V$. Biodecomposed insecticide

Match the following list of microbes and their importance.
Column-$I$Column-$II$
$(A)$ Saccharomyces cerevisiae$(i)$ Production of immuno-suppressive agent
$(B)$ Monascus purpureus$(ii)$ Ripening of Swiss cheese
$(C)$ Trichoderma polysporum$(iii)$ Commercial production of ethanol
$(D)$ Propionibacterium$(iv)$ Production of blood-cholesterol lowering agents

Match the columns:
Column-$I$Column-$II$
$(a)$ Mycorrhiza$(1)$ Rhizobium
$(b)$ Bt$(2)$ Nucleopolyhedrovirus
$(c)$ Root nodules$(3)$ Phosphorus
$(d)$ Baculovirus$(4)$ Bt-Cotton

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