The excreta (dung) of cattle, commonly called gobar, is rich in (pyrogens/methanogens/lactogens). 

Give microbial source of the following products in industrial production:

Pectinase

Give microbial source of the following products in industrial production:

Chloromycetin

Assertion $\left(\mathrm{A}\right):$ The foolish seedling disease in rice seedlings is caused by a fungal pathogen, Gibberella fuzikuroi.

Reason $\left(\mathrm{R}\right):$ E. Kurosawa reported the appearance of symptoms of the disease in uninfected rice seedlings when they were treated with sterile filtrates of the fungus and the active principle was identified as gibberellic acid.

The correct answer is:

Give the biological names of the following:

The mould from which penicillin is obtained.

Give microbial source of the following products in industrial production:

Vitamin B12

Match the following columns and select the correct option.

Assertion (A): Organisms of Monera having pseudomurein in cell walls are producers of biogas

Reason (R): Archaebacteria present in the gut of ruminants animals produce methane