HORTICULTURE

HORTICULTURE SCIENCE

PLANT BIOTECHNOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Why are thermophilic bacteria used in the biomining of gold?
A
They work in high temperatures
B
They work without oxygen
C
They are inexpensive toproduce
D
They work in California
Explanation: 

Detailed explanation-1: -Thermophilic Bacteria One type of “hyperthermophile", Methanopyrus kandleri, can even survive temperatures up to 122°C. (251.6°F)’ which is far above the boiling point of water. Hot Springs National park’s geothermal hot springs are an ideal environment for some species of these heat loving bacteria.

Detailed explanation-2: -Using Bacteria such as Acidithiobacillus ferrooxidans to leach copper from mine tailings has improved recovery rates and reduced operating costs. Moreover, it permits extraction from low grade ores – an important consideration in the face of the depletion of high grade ores.

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