Water Supply & Sanitation Chapter Wise McQ Test of 25 Question #14

Water Supply & Sanitation Chapter Wise McQ Test of 25 Question for PSC, NEC, UPSC, SSC and Many more.

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1. Harmful bacteria are called

A. Parasites

B. Anaerobic bacteria

C. Aerobic bacteria

D. Pathogens

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2. The presence of bacteria in water causes

A. Hardness

B. Alkalinity

C. Diseases

D. Bad taste

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3. A communicable disease is

A. Cancer

B. Fluorosis

C. Tuberculosis

D. Goiter

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4. Which one is water borne disease?

A. Malaria

B. Cancer

C. Dysentery

D. Encephalitis

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5. Which one is water borne virus infection?

A. Malaria

B. Cancer

C. Dysentery

D. Jaundice

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6. Goiter is due to

A. Chlorine

B. Bromine

C. Iodine

D. All of the above

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7. Dyspensia (Indigestiion) is caused due to

A. Iron

B. Carbon

C. Manganese

D. All of the above

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8. Methamoglobinemia (Blue babies)

A. Oxidation of haemoglobin

B. Nitrates replacing oxygen in haemoglobin

C. Nitrites replacing oxygen in haemoglobin

D. Carbon monoxide replacing oxygen in haemoglobin

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9. Dengue is termed as …………. disease

A. Water borne

B. Water based

C. Water washed

D. Water related vector

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10. In the water analysis the test is carried out is

A. physical

B. Chemical

C. Biological

D. All of the above

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11. Odour is measured in terms of

A. Threshold number

B. Reynold number

C. Mach number

D. None of the above

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12. The odour of water can be determined by

A. Microscope

B. Telescope

C. Sonoscope

D. Osmoscope

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13. True color of water is due to

A. suspended solid

B. Colloidal solid

C. Volatile solid

D. Acid in solution

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14. The color of water is measured on platinum cobalt scale with the help of

A. Thermometer

B. Tintometer

C. Turbidity meter

D. Barometer

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15. A source of color in water is due to

A. Silt

B. Clay

C. Organic debris

D. Inorganic inert matter

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16. Highly colored waters are

A. Unaesthetic

B. Highly polluted

C. Required elaborated

D. Cause change state

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17. Turbidity for domestic water is undesirable because it

A. Unaesthetic

B. Highly polluted

C. Required elaborated

D. Rich in iron and manganese

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18. Turbidity is ability of water to

A. Scatter light

B. Retain suspended solids

C. Retain colloidal solids in suspension

D. Detain dissolved solid

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19. Turbidity depends on the presence of the following in water

A. Suspended solids

B. Suspended and colloidal solids

C. Any material capable of preventing light

D. Intensity of coloration

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20. Turbidity of water is measured in

A. mg/l

B. Nephelometric Turbidity Unit (NTU)

C. Potassium chloroplatinate units

D. Threshold Number

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21. Turbidity is undesirable because it

A. Renders waters unpalatable

B. Affects photosynthesis of aquatic life

C. Causes milky unite coloration to water

D. Causes red and brown stains

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22. Turbidity is measured by

A. platinum cobalt scale

B. standard silica scale

C. thermometer

D. bifurcated scale

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23. Turbidity can be removed by:

A. Coagulation and filtration

B. Aeration and sedimentation

C. Activated carbon adsorption

D. Disinfections

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24. Biological oxygen demand of safe drinking water

A. 5ppm

B. 2ppm

C. nil

D. 4ppm

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25. Purest water may have

A. No color

B. Faint blue green color

C. Dark blue color

D. Brownish yellow color

Your score is

The average score is 55%

0%

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