INDUSTRIALLY USEFUL MICROBIAL PROCESSES QUIZ

Which of the following organism is utilized for the production of D-L-alanine?

Arthrobacter paraffineus

C. glutamicum

Microbacterium ammoniaphilum

Brevibacterium flavum

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following organism produces enzyme taka diastase?

S. cerevisiae

B. subtilis

A. niger

A. oryzae

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following are true for the heterofermentative microorganism producing lactic acid?

They are used for commercial lactic acid production

Only trace amounts of end products other than lactic acid

None of these

Some lactic acid with carbon dioxide, ethyl alcohol, acetic acid and trace amount of few other products

TRUE ANSWER : ?
YOUR ANSWER : ?

A major organic acid produced by a microbial process used in foods is

oxalic acid

sulfuric acid

citric acid

uric acid

TRUE ANSWER : ?
YOUR ANSWER : ?

Alcohol production from starch and raw sugar utilizes selected strains of

Saccharomyces cerevisiae

Candida utilis

none of these

Candida pseudotropicalis

TRUE ANSWER : ?
YOUR ANSWER : ?

Which species from the followings is resistant to methyl tryptophan?

Hansenula anomala

Candida utilis

E. coli

B. subtilis

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following agents involve biosensors linking with electronic circuit?

Neither microorganisms nor microbially derived enzymes

Microbially derived enzymes

Either microorganisms or microbially derived enzymes

Microorganisms

TRUE ANSWER : ?
YOUR ANSWER : ?

The organism used to produce L-glutamic acid is

Micrococcus glutamicus

Brevibacterium aminogenes

Arthrobacter globiformis

all of these

TRUE ANSWER : ?
YOUR ANSWER : ?

The major organism used in the microbial production of citric acid is

Rhizopus nigrificins

Aspergillus niger

Lactobacillis delbrueckii

Penicillin notatum

TRUE ANSWER : ?
YOUR ANSWER : ?

The biotin level in obtaining L-gluatmic acid by fermentation using Micrococcus glutamicus is critical because

None of these

too low level prevents growths, hence L-glutamic acid production

too high level prevents L-glutamic acid production

both (a) and (b)

TRUE ANSWER : ?
YOUR ANSWER : ?