Select the microbe which is the source of ‘clot buster’ enzyme.
Bacterium; Lactobacillus
Fungi; Aspergillus niger
Fungi; Penicillium notatum
Bacterium; Streptococcus
Conversion of sugar into alcohol during fermentation is due to the direct action of
Which bacterium has been used as a clot buster ? What is its mode of action ?
Identify the blank spaces $a, b, c$ and $d$ given inthe following table and select the correct answer.
Type of microbes |
Scientific name |
Commercial product |
Bacterium |
$a$ |
Clot buster enzyme |
$d$ |
Aspergillus niger |
Citric acid |
Fungus |
Trichoderma polysporim |
$c$ |
Bacterium |
$d$ |
Butyric acidb |
Arrange the following in the decreasing order (most important first) of their importance, for the welfare of human society. Give reasons for your answer.
Biogas, Citric acid, Penicillin and Curd
Consider the following statements
$I.$ Antibiotics are chemical substances produced by some microorganisms which can kill or retard the growth of other disease-causing microorganisms
$II.$ Penicillin is the first antibiotic discovered by Alexander Fleming $(1928),$ while working on bacterium Staphylococcusaureus
$III.$ The function of penicillin as an antibiotic was established by Ernst chain and Howard Florey
Which of the statement given above are correct?