Question

pls answer this question . answer 7th question ​

Answer 1

Persistent Organic Pollutants

Explanation:

• POP stands for Persistent Organic Pollutants.

• They are also referred as 'forever chemicals' due to their inability to degrade.

• Some examples of POP's are DDT, aldrin and chlordane.

• Persistent Organic Pollutants are resistant to environmental degradation, which includes biodegradation (degradation caused by microbes), chemical degradation (degradation caused by enzyme present in the atmosphere) and photolytic degradation (degradation caused by thunder and lightning).

• As POP's are resistant to degradation the accumulate in human beings and living organisms and is harmful to them.

Answer 2

Answer:

The three functions of taxonomy include, identification, nomenclature and classificattion.Its main aim is to provide a convenient method of identification and communication about a taxa and provide a classification which is based on natural affinities of plants as far as possible.