Multiple Choice
A high Biological Oxygen Demand (BOD) indicates that:
A) water is pure
B) absence of microbial action
C) Low level of microbial pollution
D) High level of microbial pollution
Correct Answer:
Verified
Correct Answer:
Verified
Q7: The supersonic jets cause pollution by the
Q8: In a population, unrestricted reproductive capacity is
Q9: The major pollutant from automoblie exhaust is<br>A)NO<br>B)CO<br>C)SO<sub>2</sub><br>D)Soot
Q10: All are particulate pollutants except<br>A)dust<br>B)ozone<br>C)soot<br>D)smoke
Q11: Air pollution is severe in<br>A)Cities<br>B)Industrialised areas<br>C)Densely populated
Q13: Human population growth curve is a:<br>A)S shaped
Q14: The true statement about 'green house effect'
Q15: The green house gases, otherwise called radioactively
Q16: A human population is small, there is
Q17: Which of the following is a secondary