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Question

Q. With reference to the Bioventing, which of the following statements is/are incorrect?

Select the correct answer using the codes given below:

Q. बायोवेंटिंग के संदर्भ में, निम्नलिखित में से कौन सा/से कथन सही है/हैं?

निम्नलिखित कूटों का उपयोग करके सही उत्तर चुनिए:


A

1 only
केवल 1
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B

2 only
केवल 2
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C

Both 1 and 2
1 और 2 दोनों
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D

Neither 1 nor 2
न तो 1, न हीं 2
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Solution

The correct option is B
2 only
केवल 2

Explanation:

Statement 1 is correct: Bioventing is an in situ remediation technology that uses microorganisms to biodegrade organic constituents in a water system. During bioventing, oxygen may be supplied through direct air injection into residual contamination in soil.

Statement 2 is incorrect: Bioventing enhances the activity of indigenous bacteria and simulates the natural in-situ biodegradation of Hydrocarbons in the soil by inducing air or oxygen flow at low pressure into the Unsaturated zone and, if necessary, by adding nutrients. Hence it doesn’t involve importing microorganisms.

व्याख्या:

कथन 1 सही है: यह एक स्वस्थान उपचार तकनीक है।।

कथन 2 गलत है: बायोवेंटिंग स्थानीय बैक्टीरिया की सक्रियता को बढ़ाता है और असंतृप्त क्षेत्र में कम दबाव पर हवा या ऑक्सीजन के प्रवाह द्वारा और आवश्यक होने पर पोषक तत्वों के साथ, मिट्टी में हाइड्रोकार्बन के प्राकृतिक स्वस्थान जैव-निम्नीकरण को प्रोत्साहित करती है।


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