Drinking of mineral water with very low level of pesticides (about 0.02 ppm) for long

periods may :-

1. produce immunity against mosquito

2. cause leukemia (blood cancer) in most people

3. cause cancer of the intestine

4. lead to accumulation of pesticide residues in body fat

Subtopic:  Water Pollution: I | Water Pollution |
 71%
AIIMS - 2003
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

Photochemical smog formed in congested metropolitan cities mainly consists of

1. ozone, peroxyacetyl nitrate and NOx

2. smoke, peroxyacetyl nitrate and SO2

3. hydrocarbons, SO2 and CO2

4. hydrocarbons, ozone and SOx.

Subtopic:  Air Pollution |
 65%
AIIMS - 2003
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

In almost all Indian metropolitan citiies like Delhi, the major atmospheric pollutant(s)

is/are:

1. suspended particular matter (SPM)

2. oxides of suplhur

3. carbon dioxide and carbon monoxide

4. oxides of nitrogen.

Subtopic:  Air Pollution |
 62%
AIIMS - 2003
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

A lake with an inflow of domestic sewage rich in organic waste may result in 

1. drying of the lake very soon due to algal bloom

2. an increased production of fish due to lot of nutreients

3. death of fish due to lack of oxygen

4. increased population of aquatic food web organisms.

Subtopic:  Water Pollution: I | Water Pollution |
 86%
From NCERT
AIIMS - 2004
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Minamata disease was caused due to the consumption of

1. sea food containing lot of cadmium

2. fish contaminated with mercury

3. oysters with lot of pesticide

4. sea food contaminated with selenium.

 

Subtopic:  Water Pollution: II | Water Pollution |
 83%
AIIMS - 2004
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

Formation of non-functional methaemoglobin causes blue-baby syndrome. This is due to
(1) excess of arsenic concentration in drinking water

(2) excess of nitrates in drinking water

(3) deficiency of iron in food

(4) increased methane content in the atmosphere

 

Subtopic:  Water Pollution: II | Water Pollution |
 69%
AIIMS - 2005
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

Which one of the following statement pertaining to pollutants is correct?
(1) DDT is a non-biodegradable pollutant.

(2) Excess fluoride in drinking water causes osteoporosis.

(3) Excess cadmium in drinking water causes black foot disease.

(4) Methylmercury in water may cause "Itai Itai" disease.

Subtopic:  Water Pollution: I | Water Pollution |
 79%
AIIMS - 2005
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

Pollution from animal excreta and organic waste from kitchen can be most profitably minimized
(1) storing them in underground storage tanks

(2) using them for producing biogas

(3) vermiculture

(4) using them directly as biofertilizers

Subtopic:  Agrochemical & Radioactive Waste |
 56%
AIIMS - 2006
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

Which one of the following is an enviroment related disorder with the correct main cause?
(1) Black lung disease (pneumoconiosis) found mainly in workers in stone quarries and crushers.

(2) Blue baby disease (methaemoglobinaemia) due to heavy use of nitrogenous fertilizers in the area.

(3) Skin cancer mainly in people exposed to benzene and methane.

(4) Both a and b 

Subtopic:  Air Pollution |
AIIMS - 2006
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

The Montreal Protocol refers to
(1) persistent organic pollutants

(2) global warming and climate change

(3) substances that deplete the ozone layer

(4) biosafety of genetically modified organisms.

Subtopic:  Ozone Layer Depletion |
 88%
From NCERT
AIIMS - 2006
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh