Multiple Choice
The undesirable change in physical, chemical or biological characteristics of air, land and water is referred as
A) pollutants
B) ecodestructions
C) pollution
D) all of these
Correct Answer:
Verified
Correct Answer:
Verified
Q12: Viable material of endangered species can be
Q13: Pollutants that are introduced into the environment
Q14: Which of the following is mainly responsible
Q15: A river with high BOD value is<br>A)highly
Q16: Noise is measured using sound meter and
Q17: Which of the following is the major
Q18: Cement factory labourers are prone to<br>A)leukemia<br>B)bone marrow
Q19: All are physical pollutants except<br>A)heat<br>B)sound<br>C)radiations<br>D)soot
Q20: All are primary pollutants except<br>A)Ammonia<br>B)Peroxy Acyl Nitrate
Q21: Which of the following is the best