Environmental Chemistry (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry): Questions 1 - 7 of 17
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Question number: 1
» Environmental Chemistry » Water Pollution » Major Pollutants
Question
If BOD rives in high, it means that the river is?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Very much polluted with organic chemicals which are decomposed by micro-organisms |
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| b. | Polluted with pesticides |
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| c. | Not polluted |
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| d. | Very much polluted with inorganic chemicals |
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Question number: 2
» Environmental Chemistry » Soil Pollution » Major Pollutants
Question
Which one of the following pollutants is bio-degradable pollutant?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Domestic water |
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| b. | Pesticides |
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| c. | Mercuric salts |
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| d. | Lead compounds |
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Question number: 3
» Environmental Chemistry » Water Pollution » Major Pollutants
Question
Which statement is not correct?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | is the main air pollutant |
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| b. | All pollutant are not waster |
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| c. | Water is pollutant by dissolved oxygen |
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| d. | Lichens are pollution indicators |
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Question number: 4
» Environmental Chemistry » Tropospheric Pollutants » Gaseous Pollutants: Oxides of Carbon, Nitrogen and Sulphur
Question
Which one of the following in the main air pollutant?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. |
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| b. | S |
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| c. |
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| d. |
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Question number: 5
» Environmental Chemistry » Tropospheric Pollutants » Gaseous Pollutants: Oxides of Carbon, Nitrogen and Sulphur
Question
The loss or reduction of chlorophyll in the leaves is termed?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Chlorosis |
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| b. | Epinasty |
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| c. | Necrosis |
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| d. | Lichen |
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Question number: 6
» Environmental Chemistry » Particulate Pollutants » Dust
Question
Which of the particulate pollutant come into atmosphere through exhaust gases from automobiles?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Asbestos dust |
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| b. | Lead salts |
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| c. | Acid dust |
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| d. | Fly ash |
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Question number: 7
» Environmental Chemistry » Tropospheric Pollutants » Harmful Effects and Prevention
Question
Which one of the following statement is not correct regarding pollution
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Anything put into the environment which was not there in its natural state |
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| b. | The presence of anything in the environment in excess of the required limit |
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| c. | Direct or indirect change in 1 move component of the ecosystem which are not harmful to the living origination |
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| d. | Intentional release of one or more components of chemical substances in environment with harmful effect |
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