Entry Test MCQ :: Environmental Chemistry

1.  Which of the following is not a heavy industry?
A. iron B. fertilizer
C. paper D. none

2.  Which of the following is a macronutrient?
A. boron B. iron
C. copper D. carbon

3.  Requirement of macronutrient per acre of the land is
A. 5 to 200 kg B. 20-200 kg
C. 200-400 kg D. 30-400 kg

4.  Three elements needed for the healthy growth of plants are
A. N P K B. N K C
C. N S P D. N Ca P

5.  Which of the following is not a secondary pollutant
A. ozone B. carbonic acid
C. sulphuric acid D. carbon dioxide

6.  Residence time of methane in the atmosphere is
A. 3 - 7 days B. 2 -3 days
C. 3 - 7 years D. 2 - 3 years

7.  Major cause of SO2 on global scale is
A. volcanoes B. electric sparks
C. combustion D. all

8.  Hypochlorous acid is used for disinfecting the water it reacts with the dissolved ammonia producing
C. NCI2 D. all of the above

9.  Acid present in acid rain may be
A. H2SO4 B. HNO3
C. both a and b D. none

10.  The yellow colour in photochemical smog is due to presence of
A. dinitrogen oxide B. nitrogen dioxide
C. chlorine gas D. chlorine dioxide

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