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Microbial Transformation Of Heavy Metals(Environmental Biotechnology ) Questions and Answers
Home
Topic
Environmental Biotechnology
Microbial Transformation Of Heavy Metals
Question 1.
What of the following is used to remove metals using plants?
Phyto-extraction
Mashing with Adhesives
Mashing with Fibers
Watering
Explanation:-
Answer: Option A. ->
Phyto-extraction
Answer:
(a).
Phyto-extraction
Question 2.
Which of the following is a method of phytoextraction for removal of metals?
Absorption by plant roots
Absorption by water
Absorption by soil
Absorption by weathered rock
Explanation:-
Answer: Option A. ->
Absorption by plant roots
Answer:
(a).
Absorption by plant roots
Question 3.
How bacteria incorporate heavy metals inside them?
Slow transport inside the cell
Gasification
Incineration
Disposal
Explanation:-
Answer: Option A. ->
Slow transport inside the cell
Answer:
(a).
Slow transport inside the cell
Question 4.
Which of the following can dissolve metals?
Biogeochemcial cycle
Microbial metabolic secretions
Afforestation
Deforestation
Explanation:-
Answer: Option B. ->
Microbial metabolic secretions
Answer:
(b).
Microbial metabolic secretions
Question 5.
What habitat is not a home for bacteria?
Arctic snow
Soil
Rocks
Distilled water
Explanation:-
Answer: Option D. ->
Distilled water
Answer:
(d).
Distilled water
Question 6.
Mercury resistance or heavy metal resistance in bacteria is usually found in which contaminated sites?
Mercury contaminated sites
Copper contaminated sites
Nickle contaminated sites
Magnesium contaminated sites
Explanation:-
Answer: Option A. ->
Mercury contaminated sites
Answer:
(a).
Mercury contaminated sites
Question 7.
Heavy metal resistance elements are found in gram negative bacteria.
True
False
May be True or False
Can't say
Explanation:-
Answer: Option A. ->
True
Answer:
(a).
True
Question 8.
Which of the following is not used to clear-out heavy metals contaminated environment?
Bacteria
Fungi
Algae
H₂S
Explanation:-
Answer: Option D. ->
H₂S
Answer:
(d).
H₂S
Question 9.
How does DNA develop resistance mechanisms?
Information from DNA
Intercellular ligands
Extracellular ligands
Integral proteins
Explanation:-
Answer: Option A. ->
Information from DNA
Answer:
(a).
Information from DNA
Question 10.
How bacteria help in metal extraction?
Oxidation of ore
Reduction of ore
Assimilation
Accumulation
Explanation:-
Answer: Option A. ->
Oxidation of ore
Answer:
(a).
Oxidation of ore
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