Multiple Choice
The true statement about 'green house effect' is that it is
A) caused by combination of many gases
B) caused by CO2
C) caused only by CO2, CFC, CH4 and NO2 gases
D) None of these
Correct Answer:

Verified
Correct Answer:
Verified
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
Q12: A high Biological Oxygen Demand (BOD) indicates
Q13: Human population growth curve is a:<br>A)S shaped
Q15: The green house gases, otherwise called radioactively
Q16: A human population is small, there is
Q17: Which of the following is a secondary
Q18: Particulate pollutants are<br>A)are small solid particles and
Q19: The concept that 'population tends to increase