Which of the following micro-organism is used for conversion of milk into curd?
Xanthomonas citri
Bacillus megatherium
Acetobacter aceti
None of the above
D.
None of the above
Streptococcus lactis, S. cremoris, S. thermophilus, Lactobacillus lactis and L. bulgaricus are the micro- organisms responsible for the conversion of milk into curd. These produce lactic acid from lactose, lower the pH to 4.6 and leads to coagulation of milk.
Xanthomonas citri causes citrus canker disease in citrus.
Bacillus megatherium is used in flavouring of tobacco and tea leaves.
Hybridoma technology is used to :
kill the cancer cells
formation of somaclonal antibodies
formation of somatic hybrids
formation of antibiotics
The vaccine of Hepatitis-B is a :
first generation vaccine
interferon
second generation vaccine
third generation vaccine
In human the inheritance of sex linkage takes place through :
autosomes
Y - chromosome
X- chromosome
both 'b' and 'c'
Kohler and Milstein developed biotechnology for :
monoclonal antibodies
steroid synthesis
immobilization of enzymes
myeloma
