2024
29-06-2024
Biomining, Bioleaching of Sulfide/Gold Ores
2
Total Questions
कुल प्रश्न
2024
1 Paper
Papers Covered
कुल पेपर्स
1 Exam Years
1 परीक्षा वर्ष
1.7%
Exam Weightage
परीक्षा वेटेज
In 2024 Exam
2024 परीक्षा में
2 Types
Question Variety
प्रश्नों के प्रकार
MCQ (Single Correct), Assertion & Reason
Question Types:
प्रश्न प्रकार:
MCQ (Single Correct)
MCQ (एकल सही)
1
Assertion & Reason
अभिकथन एवं कारण
1
Previous Years Questions (PYQ) Statistics
विगत वर्षों के प्रश्न (PYQ) सांख्यिकी
Previous Years Questions (PYQ) Statistics विगत वर्षों के प्रश्न (PYQ) सांख्यिकी
Year-wise question count, paper frequency, and exam weightage percentage: वर्षवार प्रश्नों की संख्या, पेपर आवृत्ति और परीक्षा वेटेज प्रतिशत:
| Year वर्ष | Questions प्रश्न | Avg / Paper औसत / पेपर | Weightage & Trend वेटेज व ट्रेंड |
|---|---|---|---|
| 2024 | 2 Qs | 2.0 |
Questions in this Topic इस टॉपिक के प्रश्न
2 Questions 2 प्रश्न
1
2
Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).
Assertion (A) : Sulphur-oxidising bacteria also have a role to play in the coal mining industry.
Reason (R) : These microbes carry out biodesulphurisation of coal to remove the sulphur before combustion.
In light of the above statements, choose the correct answer from the options given below.
Read the following statements regarding gold biomining
(A) . Gold is typically present in nature in deposits associated with minerals containing arsenic (As) and FeSz
(8). Acidithiobacillus ferrooxidans and related bacteria can leach the arsenopyrite minerals, releasing the trapped Au
(C) . Gold leaching is done by the huge dump method, with about 90% gold recovery.
(D) . The potentially toxic Arsenic and Cyanide residues from the mining process are removed in the gold-leaching bioreactor.
Choose the correct answer from the options given below:
Official PYQ Papers
Previous Year Papers of Microbiology
Practice official shift-wise question papers with answer keys and detailed explanations on the actual exam pattern.
1
Total Available
Previous Papers