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Standard XII
Biology
Transgenic Animals
Q. Consider t...
Question

Q. Consider the following statements regarding bioremediation technologies.

Which of the statements given above is/are correct?

A

1 only
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B

1 and 2 only
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C

1 and 3 only
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D

2 and 3 only
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Solution

The correct option is A
1 only
Explanation:

Statement 1 is correct: In Bioaugmentation technology, the microorganisms are imported to the contaminated site to carry out the degradation of organic wastes. For instance oil zapper.

Statement 2 is incorrect: Phytoextraction means the use of plants to remove contamination from soil and water.

Statement 3 is incorrect: Mycoremediation involves the use of fungus such as mycelia to decontaminate an area.

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Q.

4. Consider the following statements,

1] Bioremediation consists of using naturally occurring or laboratory cultivated micro-organisms to reduce or eliminate toxic pollutants.

2] Using bioremediation techniques, TERI has developed a mixture of bacteria called 'oilzapper' which degrades the pollutants of oil-contaminated sites, leaving behind no harmful residues. This technique is not only environment friendly, but also highly cost-effective.

Which of the above statements is/are incorrect?


Q. Q. With reference to the Bioventing, which of the following statements is/are correct? Select the correct answer using the code given below.

Q. बायोवेंटिंग के संदर्भ में, निम्नलिखित में से कौन सा/से कथन सही है/हैं?
  1. यह एक स्वस्थान उपचार तकनीक है।
  2. इस तकनीक में, जैविक कचरे के अपघटन के लिए सूक्ष्मजीवों को दूषित स्थल पर पहुंचाया जाता है।
निम्नलिखित कूटों का उपयोग करके सही उत्तर चुनिए:

  1. 1 only
    केवल 1

  2. 2 only
    केवल 2

  3. Both 1 and 2
    1 और 2 दोनों

  4. Neither 1 Nor 2
    न तो 1, न हीं 2
Q. A waste management technique that involves the use of organisms to remove or neutralize pollutants from a contaminated site is known as ________.
Q.

Q. With reference to Biosparging, consider the following statements:

Which of the statements given above is/are correct?



  1. 1 only

  2. 2 only

  3. Both 1 and 2

  4. Neither 1 Nor 2
Q. Q. With reference to Biosparging, consider the following statements: Which of the statements given above is/are correct?

  1. Both 1 and 2

  2. Neither 1 Nor 2

  3. 1 only

  4. 2 only
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