Question

(i) Give the functions performed by each of the following
microbes :
(a) Geobacter
(b) Ideonela sakaensis
(c) Pseudomonas spp (d) Saccharomyces cerevisiae
(e) Aspergillus oryzae​

Answer 1

(a) Geobacter consists of anaerobic bacterial species. They are used in bioremediation. In this method, microorganisms are used to treat contaminated media, soil, water etc.

(b) Ideonella sakaiensis is a bacteria used to breakdown and consume the plastic.

(c) Pseudomonas spp is a bacterium that helps in denitrification.

(d) Saccharomyces cerevisiae is eukaryotic, single celled organism. It is useful as genetic tool and also used in industries for food and alcoholic beverage production

Answer 2

Answer:

Microbes:

i)geobacter:

• ability to oxidize the organic compounds and metals including iron

ii)ideonela sakaensis:

• breaking down and consuming PET

iii)pseudomonas spp:

• ability to colonize the a wide range of ecological niches

iv)saccharomyces cerevisiae:

• it can reproduce sexually and asexually

v)aspergillus:

• used for production of traditional fermentation