Saccharomyces cerevisiae is a/an
virus
yeast
bacterium
antibiotic
Milk tastes sour when kept in the open for sometime due to formation of
malic acid
citric acid
lactic acid
carbonic acid
The interferons have an ability to check the infection of
algae
fungi
viruses
bacteria
Cultivation of Bt-cotton has been much in the news. The prefix 'Bt' means
Barium-treated cotton seeds
carrying an endotoxin gene from Bacillus thuringiensis
bigger thread variety of cotton with better tensile strength
produced by biotechnology using restriction enzymes and ligases
Protein formed during viral infection is
histone
antibody
antitorium
interferon
Biotechnology is associated with
industrial use of micro-organisms
industrial exploitation of biological system
cloning genes from two separated genotypes
all of these
Penicillin was discovered by
Beadle
Darwin
Woodruff
Flemming
When yeast ferments glucose,the products are
water+ Co2
ethanol+CO2
ethnol +H2O
methanol+co2
The organism, used for alcoholic fermentation, is
Pseudomonas
Penicillium
Aspergillus
Saccharomyces
Which of the following microbe is used for the production of gluconic acid?
Bacillus species
Acetobacter species
Aspergillus species
Lactobacillus species