Milk tastes sour when kept in the open for sometime due to formation of:
Malic acid
Citric acid
Lactic acid
Carbonic acid
DNA finger printing technique was first developed by:
Boysen and Jensen
Edwards and Steptoe
Schleiden and Schwan
Jeffreys, Wilson and Thien
The micro-organism, used for the production of fumaric acid, is:
Rhizopus
Acetobacter
Aspergillus
Fusarium
Penicillin was discovered by:
Beadle
Darwin
Woodruff
Flemming
The source of an antibiotic, erythromycin is:
S.griseus
S.venezulae
S.erythreus
S.aureofaciens
DNA fingerprinting refers to:
Molecular analysis of profiles of DNA samples
Analysis of DNA samples using imprinting devices
Techniques used for identification of fingerprints of individuals
Techniques used for molecular analysis of different specimens of DNA
Pellagra is caused due to the deficiency of:
Niacin
Biotin
Pyridoxine
Cobalamin
An antibiotic which is effective against tuberculosis, is:
Nystatin
Penicillin
Tetracycline
Erythromycin
A bioreactor refers to:
Fermentation tank
Organisms reacting to a stimulus
Tank for biochemical reactions
Nuclear reactor for biological studies
Recombinant DNA technology can be used to produce large quantities of biologically active form of which of the following products in E.coli?
Ecdysone
Interferon
Rifamycin
Luteining hormone
