A. Methemoglobinemia
B. Gastroenteritis
C. Asphyxiation
D. Tooth decay
Related Mcqs:
- Presence of excess fluorine in water causes__________________?
A. Dental cavity
B. Tooth decay
C. Fluorosis
D. Respiratory disease - Which of the following causes death by asphyxiation, if its presence in atmospheric air exceeds maximum allowable concentration (i.e. > 50 ppm) ?
A. Benzopyrene
B. Peroxyacetyl nitrate
C. Carbon monoxide
D. Sulphur dioxide - Presence of carbon monoxide in atmosphere produced by decomposition of chlorophyll and haemoglobin breakdown of some animals, beyond TLV (>50 ppm) ?
A. Acts as a green house gas thereby raising earth’s temperature
B. Causes asphyxia
C. Causes increase in sea level
D. Enhances the green house effect - Inhalation of lead compounds present in the automobile exhausts (using leaded petrol) causes________________?
A. Blood poisoning
B. Anaemia
C. Nervous system disorder
D. All A., B. and C. - Moist atmospheric air at high temperature (e.g., in summer) having high concentration of sulphur dioxide causes________________?
A. Fading of dyes on textiles
B. Corrosion, tarnishing & soiling of metals
C. Reduced strength of textiles
D. All A., B. and C. - For existence of aquatic life in water, the dissolved oxygen content in it, should not be less than ______________ ppm?
A. 10000
B. 5
C. 500
D. 1000 - TLV of mercury in potable (drinking) water is about ______________ ppm?
A. 0.001
B. 0.1
C. 1
D. 5 - Maximum permissible turbidity in potable water is _____________ ppm?
A. 1
B. 10
C. 250
D. 1000 - TLV of lead for public sewer/waste water is about ______________ ppm?
A. 1
B. 25
C. 150
D. 650 - Dissolved oxygen content in river water is around _____________ ppm?
A. 5
B. 100
C. 250
D. 500
