How Well Do You Know About Environment?
(215).jpg "How Well Do You Know About Environment?")
Did you know paper can be recycled six times? Did you know that the amount of water on Earth is always constant and is continually recycled over time? Want to learn more? Check out our online quiz to see how much you know about the environment and learn interesting trivia along the way.
- 1.Environmental Science is a study of which type of interactions between human and the environment.
- A.
How human use natural resources.
- B.
How human beings relate to the nonliving enviornment.
- C.
How human actions alter the enviornment.
- D.
All of the above.
- 2.Ecosystem is the smallest unit of:
- A.
Lithosphere
- B.
Biosphere
- C.
Atmosphere
- D.
Hydrosphere
- 3.In purifying of potable water the coagulent used is
- A.
Nickle Sulphate
- B.
Copper Sulphate
- C.
Barium Sulphate
- D.
Alum
- 4.Fungicides are the pecticides which
- A.
Control the growth of funges.
- B.
Kill insects
- C.
Kill herbs.
- D.
Kill plants.
- E.
Option 5
- 5.To avoid the formation of toxic compound with Chlorine which substance is used for disinfecting water.
- A.
KMNO4
- B.
Alum
- C.
Chloromines
- D.
Ozone
- 6.The substance that are added into soil to provide one of more nutrient elements essential for plant growth are called
- A.
Growth harmone
- B.
Fertilizer
- C.
Mineral
- D.
Salt
- 7.Biological indicators are classified on the bases of
- A.
Pollution
- B.
Habitat
- C.
Behaviour and Physiology
- D.
All of these
- E.
Option 5
- 8.Population growth in 20th century accelerated which environmental stress(es)?
- A.
Resources Depletion
- B.
Pollution
- C.
Habital Destruction
- D.
All of these
- E.
Option 5
- 9.3R can conserve our
- A.
Environment
- B.
Oxygen
- C.
Food
- D.
Climate
- 10.Which of the following practice will not come under green chemistry?
- A.
If, possible making us of soap made of vegetable oils instead of using syntheti e detergent.
- B.
Using H2O2 for bleaching purpose instead of using Chlorine based bleaching agents.
- C.
Using bicycle for travelling small distance instead of using petrol based vehicle.
- D.
Using cans for neatly store substances.
- 11.The layer of atmosphere above the Stratosphere is
- A.
Tropospher
- B.
Thermosphere
- C.
Mesosphere
- D.
Ionosphere
- 12.Which of the following process is involved in the getting back nitrogen in the atmosphere?
- A.
Nitrification
- B.
Hydration
- C.
Decomposition
- D.
All of these
- 13.What is the main source of acid rain?
- A.
Antarctica
- B.
MgSo4
- C.
Sewer
- D.
Nox and Sox
- 14.Heavy metals refer to the metalic chemical elements that has relatively
- A.
High density
- B.
Persistent
- C.
Toxic/Poisonous form even
- D.
All of these
- 15.The processs of nitrogen enrichment is termed as
- A.
Limited Nutrition
- B.
Eutrophication
- C.
Schistosomiais
- D.
Enrichened
- 16.The ____ POPS are refered as the dirty dozen.
- A.
10
- B.
22
- C.
12
- D.
8
- 17.POPs Stands for
- A.
Poly oxidized pollutant
- B.
Persistent organic pollutant
- C.
Poly organic pollutant
- D.
None of these
- 18.The PH range of acid rain is
- A.
7-6.5
- B.
6-5.6
- C.
6.5-6
- D.
Less than 5
- 19.Peroxyacetyl nitrate(PAN) is an irritant to human being and it afftects
- A.
Eyes
- B.
Stomach
- C.
Ears
- D.
Nose
- 20.Only ____ of the total earth's water resources are available as fresh water
- A.
1%
- B.
11%
- C.
2%
- D.
7%
- 21.Dramatic depletion of BOD lead to an environment
- A.
Hypoxia
- B.
Aoxia
- C.
Noxia
- D.
All of these
- 22.COD measures the amount of oxygen required for the growth of microorganisms in water
- A.
Amount of oxygen that would be removed from waste in order to oxidize pollution.
- B.
Amount of oxygen required ri oxidize Ca present in waste water
- C.
None of these
- D.
Both 'A' & 'B'
- 23.COD is often measured by using
- A.
Strong oxidizing agent in acidic conditions
- B.
Strong oxidizing agent in basic conditions
- C.
Weak oxidizing agent in basic conditions
- D.
Moderate oxidizing agent in atmospheric condition
- 24.The main pollutant of leather tanneries in the waste water is due to the salt of
- A.
Lead
- B.
Chromium(VI)
- C.
Copper
- D.
Chromium(III)
- 25.Primary treatment remove about ___ of solids and approximately ____ of BOD respectively.
- A.
80% & 30%
- B.
100% & 40%
- C.
60% & 35%
- D.
None
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