Which of the following is used as biofertiliser?
$I.$ Cyanobacteria
$II.$ Yeast
$III.$ Symbiotic bacteria
$IV.$ Free living bacteria
Choose the correct option
Which of the following is used as biofertiliser?
$I.$ Cyanobacteria
$II.$ Yeast
$III.$ Symbiotic bacteria
$IV.$ Free living bacteria
Choose the correct option
- A
$I, II$ and $III$
- B
$I, III$ and $IV$
- C
$II, III$ and $IV$
- D
$I, II$ and $IV$
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- [AIPMT 1999]