Question

(i) Read the paragraph and answer the questions given below:
Remediation is the process of removing dangerous or poisonous
substances from the environment, or limiting the effect that they have on
it. When any biological organism is used for remediation, it is called
bioremediation. When plant species are used for the purpose of
remediation, it is called phytoremediation. When any microbes are used
then it is named as microbial remediation. The methods of such
remediation have helped to clean the environment from topic effluents,
especially sewage and crude oil. Dr. Anand Chakraborty, a scientist of
Indian origin, has worked on Pseudomonas aeruginosa which have
reduced the crude oil films into carbon dioxide and water.
Questions:
(a) What is the meaning of remediation?
(b) What is the difference between phytoremediation and microbial
remediation?
(c) Which environmental pollutant is mainly removed through
bioremediation process?
(d) What is the role of Pseudomonas aeruginosa?
(e) Why is Dr. Anand Chakraborty's work phenomenal?​

Answer 1

Answer:

a) Remediation is the process of removing dangerous or poisonous substances from the environment or limiting the effect that they have on it

b) When plant species are used for the purpose of

remediation, it is called phytoremediation. When any microbes are used

then it is named as microbial remediation

c) sewage and crude oil

d) It reduces the crude oil films into carbon dioxide and water.

e) because of the reduction of the crude oil films into carbon dioxide and water.

Answer 2

Explanation:

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