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 | |
b. | Polluted with pesticides | |
c. | Not polluted | |
d. | Very much polluted with inorganic chemicals | |
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 | |
b. | Pesticides | |
c. | Mercuric salts | |
d. | Lead compounds | |
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 | |
b. | All pollutant are not waster | |
c. | Water is pollutant by dissolved oxygen | |
d. | Lichens are pollution indicators | |
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. |
| |
b. | S | |
c. |
| |
d. |
| |
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 | |
b. | Epinasty | |
c. | Necrosis | |
d. | Lichen | |
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 | |
b. | Lead salts | |
c. | Acid dust | |
d. | Fly ash | |
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 | |
b. | The presence of anything in the environment in excess of the required limit | |
c. | Direct or indirect change in 1 move component of the ecosystem which are not harmful to the living origination | |
d. | Intentional release of one or more components of chemical substances in environment with harmful effect | |