Entry Test MCQ :: Environmental Chemistry
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1. |
Which of the following is not a heavy industry? |
Answer: Option D
Explanation:
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2. |
Which of the following is a macronutrient? |
Answer: Option D
Explanation:
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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 |
Answer: Option A
Explanation:
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4. |
Three elements needed for the healthy growth of plants are |
Answer: Option A
Explanation:
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5. |
Which of the following is not a secondary pollutant |
A. |
ozone |
B. |
carbonic acid |
C. |
sulphuric acid |
D. |
carbon dioxide |
Answer: Option D
Explanation:
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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 |
Answer: Option C
Explanation:
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7. |
Major cause of SO2 on global scale is |
A. |
volcanoes |
B. |
electric sparks |
C. |
combustion |
D. |
all |
Answer: Option A
Explanation:
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8. |
Hypochlorous acid is used for disinfecting the water it reacts with the dissolved ammonia producing |
A. |
NH2Cl |
B. |
NHCI2 |
C. |
NCI2 |
D. |
all of the above |
Answer: Option D
Explanation:
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9. |
Acid present in acid rain may be |
A. |
H2SO4 |
B. |
HNO3 |
C. |
both a and b |
D. |
none |
Answer: Option C
Explanation:
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10. |
The yellow colour in photochemical smog is due to presence of |
A. |
dinitrogen oxide |
B. |
nitrogen dioxide |
C. |
chlorine gas |
D. |
chlorine dioxide |
Answer: Option B
Explanation:
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