Which element plays an important role in nitrogen fixation

  • [AIPMT 1995]
  • A

    $Mn$

  • B

    $Mo$

  • C

    $Zn$

  • D

    $Cu$

Similar Questions

Probiotics are

  • [AIPMT 2007]

Jute fibres are obtained from the

Match the columns :

Column - $I$ Column - $II$
$(a)$ Aspargillas Nizer $(1)$ Lactic acid
$(b)$ Aceto bacter aciti $(2)$ Citric acid
$(c)$ Clostridium butiricum $(3)$ Acetic acid
$(d)$ Lacto bacillus $(4)$ Buteric acid

 

Match the following (column$-I$ with column$-II$)

Column $I$ (Microbes) Column $II$ (Organic acid)
$a.$ Aspergillus niger $(i)$ Butyric acid
$b.$ Clostridium butylicum $(ii)$ Citric acid
$c.$ Acetobacter aceti $(iii)$ Lactic acid
$d.$ Lactobacillus $(iv)$ Acetic acid

 

Mode of action of following pesticides is similar