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Microbial Transformations Of Pesticides(Environmental Biotechnology ) Questions and Answers
Home
Topic
Environmental Biotechnology
Microbial Transformations Of Pesticides
Question 1.
Which of the following are usually not degraded by aerobic degradation of nitro-aromatics?
Di-nitro derivatives
Mono derivatives
Poly-nitro derivatives
Amino aromatics
Explanation:-
Answer: Option D. ->
Amino aromatics
Answer:
(d).
Amino aromatics
Question 2.
Which of the following helps to hydrolyze the nitro-aromatics?
Exo enzymes
Endo enzymes
Sodium
Potassium
Explanation:-
Answer: Option A. ->
Exo enzymes
Answer:
(a).
Exo enzymes
Question 3.
Which of the following can be used for decontamination of nitro aromatic pesticides from the soil?
Ex situ techniques
In situ techniques
Poly-nitro derivatives
Amino aromatics
Explanation:-
Answer: Option A. ->
Ex situ techniques
Answer:
(a).
Ex situ techniques
Question 4.
Nitro-aromatic compounds found in the environment are known as which of the following?
Water
Oxygen
Carbon
Recalcitrant
Explanation:-
Answer: Option D. ->
Recalcitrant
Answer:
(d).
Recalcitrant
Question 5.
Which of the following property is shown by the exo-enzyme with bio polymers?
Adsorption
Absorption
Miscibility
Immiscibility
Explanation:-
Answer: Option A. ->
Adsorption
Answer:
(a).
Adsorption
Question 6.
Which of the following microorganisms is involved in dealkylation process?
Birds
Fungi
Human
Vertebrates
Explanation:-
Answer: Option B. ->
Fungi
Answer:
(b).
Fungi
Question 7.
Which of the following is not a method of dealkylation using microorganisms?
Adsorption
Chemical precipitation
Microbial demethylations
Reverse osmosis
Explanation:-
Answer: Option C. ->
Microbial demethylations
Answer:
(c).
Microbial demethylations
Question 8.
How fungi help in de-alkylation?
Oxidation
Reduction
Assimilation
Accumulation
Explanation:-
Answer: Option A. ->
Oxidation
Answer:
(a).
Oxidation
Question 9.
Which of the following technique is used to metabolize cresols?
Activated Alumina
Microbial dealkylation
Reverse osmosis
Chemical precipitation
Explanation:-
Answer: Option B. ->
Microbial dealkylation
Answer:
(b).
Microbial dealkylation
Question 10.
Pesticides with more than one alkoxyl group cannot be de-alkylated.
True
False
May be True or False
Can't say
Explanation:-
Answer: Option B. ->
False
Answer:
(b).
False
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