Define fermentation.

Name any two fungal and algal species used as SCP.

Write the chemistry of biological hydrogen production by algae

What are polylinkers?

Golden rice is a bio-fortified rice developed by rDNA technology. It differs from its parental strain by possessing 'psy' gene, 'crt-l' gene and 'lyc' gene wbicb are responsible for beta - carotene syntbesis.
(a) Name the sources of the above mentioned genes.
(b) Which disease can be controlled / prevented if a person's diet bas golden rice?