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Water Pollution Online Test 1 (Free)

-: Symbols & Description :-

(નિશાનીઓ અને તેનું વર્ણન)

-: Instructions :-

(સૂચનાઓ)

1. Click On Full Screen Mode (¤) From Corner For Best Test Experience

(બેસ્ટ ટેસ્ટ અનુભવ માટે ખૂણામાં આપેલ ફૂલ સ્ક્રીન મોડ (¤) ઉપર ક્લિક કરો)

2. Use Navigation Bar For Jumping Forward or Backward To Any Question

(કોઈ પણ પ્રશ્ન ઉપર જવા માટે નેવિગેશન બારનો ઉપયોગ કરવો)

3. Submit Test Button Will Be Only Visible At The Last Question

(ટેસ્ટ સબમિટ કરવાનો ઓપ્શન માત્ર છેલ્લા પ્રશ્ન ઉપર હશે)

4. Don't Forget To Give Your Rating & Review At The End Of Test

(ટેસ્ટ પૂરી થયા પછી રેટિંગ & રિવ્યુ આપવાનું ભુલશો નહીં)

"BEST OF LUCK"

[Click On Full Screen Mode (¤) From Corner For Best Test Experience]

(બેસ્ટ ટેસ્ટ અનુભવ માટે ખૂણામાં આપેલ ફૂલ સ્ક્રીન મોડ (¤) ઉપર ક્લિક કરો)

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Your Name

1 / 10

Category: Water Pollution

Which of the following salts are the main causes of temporary hardness?

Magnesium carbonate

Magnesium chloride

Magnesium sulphate

Calcium sulphate

2 / 10

Category: Water Pollution

Permanent hardness in water is due to:

Magnesium sulfate

Magnesium bicarbonate

Magnesium carbonate

All of the above

3 / 10

Category: Water Pollution

Identify the correct group of diseases caused by polluted water:

Cholera, Acute Diarrhoea, Typhoid and Tuberculosis

Typhoid, Enteritis and Tuberculosis

Cholera, Typhoid, Enteritis and Tuberculosis

Cholera, Acute Diarrhoea, Typhoid and Polio

4 / 10

Category: Water Pollution

Which one of the following diseases is caused by water pollution?

Bronchitis

Diarrhoea

Respiratory infections

Conjunctivitis

5 / 10

Category: Water Pollution

Minamata and Itai-Itai diseases caused by metallic water pollution are caused by the following metals respectively:

Hg and Zn

Hg and Cu

Hg and Ni

Hg and Cd

6 / 10

Category: Water Pollution

Why should we conserve water?

water pollution has increased

the demand for water has increased

less water is available for usage

All of the above

7 / 10

Category: Water Pollution

The main sources of Arsenic in water are _______

Floods

Industrial waste

Fertilizers

Both b and c

8 / 10

Category: Water Pollution

What does Chemical Oxygen Demand (COD) indicate?

Potential for recycling of the wastewater

Age of the sewage

Strength of a sewage

Biodegradability of the waste water

9 / 10

Category: Water Pollution

What is the health effects of excess fluoride in drinking water?

Intestinal infection

Lung disease

Toothaches

Fluorosis

10 / 10

Category: Water Pollution

After which sewage treatment can the water be sent to the natural source?

Secondary Treatment

Tertiary Treatment

Primary Treatment

None of the above

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Water Pollution Online Test 1 (Free)

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