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Biology 12 Ch-27 BIOLOGY AND HUMAN WELFARE- 44
1.
What are the beneficial functions of microorganisms?
All of these
Production of enzymes
Production of vaccines
Production of antibiotics
2.
For which of the following cycles, microbes are required?
Oxygen cycle
Nitrogen cycle
Carbon cycle
All of these
3.
For which of the following cycles, microbes are required?
Sulphur cycle
Nitrogen cycle
Carbon cycle
All of these
4.
Which of the following organism is used to convert milk to yoghurt?
Animals
Microorganisms
Plants
Fossils
5.
Which of the following organism is used to convert milk to cheese?
Microorganisms
Animals
Plants
Fossils
6.
Which of the following organism is used to convert sugar to wine?
Plants
Animals
Fossils
Microorganisms
7.
Which of the following organism is used to convert sugar to bread?
Microorganisms
Fossils
Plants
Animals
8.
Which of the following is influenced by the microorganisms in the food industry?
Quantity of food
Quality of food
Availability of food
All of these
9.
Which of the following is added to the pasteurized milk to be fermented?
Plants
Viruses
Polio
Bacteria
10.
Which of the following bacteria are added to the pasteurized milk to be fermented?
Streptococcus vulgaricus
Lactobacillus vulgarize
Lactobacillus thermophilus
Streptococcus thermophilus
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