Environmental Chemistry Water Test 03

Total Questions: 27

1 - Which organ cases to function during jaundice?

A ) liver ✅
B ) kidney
C ) stomach
D ) large intestine

2 - Swimming pools are cleaned by the process:

A ) chlorination ✅
B ) hydrogenation
C ) saponification
D ) none of the above

4 - What percentage of water exits as inland water?

A ) 0.2% ✅
B ) 2.1%
C ) 0.6%
D ) 0.001%

5 - Alcohol is soluble in water due to:

A ) Hydrogen bonding ✅
B ) Ion- dipole forces
C ) Ionic bonding
D ) Coordinate covalent bonding

6 - Fluorosis is a disease caused by the excessive consumption of:

A ) Chloride ions
B ) Bromide ion
C ) Fluoride ions ✅
D ) Chlorofluoro compounds

7 - Fluorosis is a disease caused by the excessive consumption of:

A ) Chloride ions
B ) Bromide ion
C ) Fluoride ions ✅
D ) Chlorofluoro compounds

8 - How many people are infected by Hook worm, world wide, per annum:

A ) about 1 billion ✅
B ) about 2 billion
C ) about 4 billion
D ) about 5 billion

9 - Diarrhea can be caused by:

A ) Bacteria
B ) Viruses
C ) Parasites
D ) All of these

10 - Dysentery is a diseases of:

A ) Intestine ✅
B ) Stomach
C ) Heart
D ) Liver

11 - In chemical reactions, water behaves as:

A ) a basic specie
B ) an acidic specie
C ) an amphoteric specie ✅
D ) an inert specie

12 - Glaciers and ice caps comprise world Water:

A ) 2.1% ✅
B ) 2.5%
C ) 3.1%
D ) 9.1%

13 - Waterborne protozoa can cause gastrointestinal illness which is called:

A ) Cholera
B ) Cryptosporidium ✅
C ) Fluorosis
D ) Jaundice

14 - Water is a universal solvent because of its:

A ) Polarity
B ) Covalent nature
C ) Hydrogen bonding ability
D ) Polarity and hydrogen bonding ✅

15 - Jaundice is due to an excess of ___ in blood:

A ) Bile pigments ✅
B ) Red blood cells
C ) White blood cells
D ) thrombocytes

16 - Typhoid is caused by:

A ) Viruses
B ) Parasites
C ) Bacteria ✅
D ) All of these

17 - Severe diarrhea that may be accompanied by blood or mucous is characteristic of:

A ) Typhoid
B ) Dysentery ✅
C ) Cholera
D ) Cryptosporidium

18 - Acute lead poisoning can cause dysfunctioning of:

A ) Circulatory system
B ) Lymphatic system
C ) Respiratory system
D ) Reproductive system ✅

20 - Pure water has:

A ) high conductivity
B ) moderate conductivity
C ) least conductivity ✅
D ) no conductivity

21 - Boiling point of water is:

A ) 0°C
B ) 75°C
C ) 100°C ✅
D ) 25°C

22 - During distillation of impure water, which of the following is called distillate:

A ) pure water collected at the end ✅
B ) raw water
C ) impurities left behind
D ) boiling water in the condenser

24 - Toothpaste contains compounds of:

A ) Fluorine ✅
B ) chlorine
C ) Bromine
D ) Iodine

26 - The high nitrate contents in ground water is because of:

A ) Seepage of acidic rain water
B ) Extensive use of detergents
C ) irrigation run-off from agricultural fields ✅
D ) All of the above

27 - A good quality water is:

A ) colourless
B ) odourless
C ) tasteless
D ) all of these