Assam TET- LP TET, UP TET, High School TET and Higher Secondary TET | Environmental Science Questions and Answers
Environmental Science Questions
Environmental Science ADRE 2.0 Important Questions:
1. According to National Forest Policy (1988) what percent forest areas are required for plains and hills respectively
a. 33% and 67%
b. 54% and 46%
c. 20% and 80%
d. 30% and 70%
Ans. a. 33% and 67% .
2. Which one of the following is major green house gas
a. CFC
b. N₂O
c. CH₄
d. CO₂
Ans. d. CO₂
3. Which one of the following is the unit through which the thickness of ozone layer is measured?
a. Ampere
b. Light year
c. Dobson unit
d. mmHg
Ans. c. Dobson unit.
4. Chipko movement is related with
a. Industry
b. Transport
c. Environment
d. Tourism
Ans. c. Environment.
5. Major aim of Montreal protocol is
a. Control global warming
b. Control water pollution
c. Control soil pollution
d. Control ozone layer depletion
Ans. d. Control ozone layer depletion.
6. Jhum cultivation is primarily practiced in which of the following area
a. Desert areas
b. Plain areas
c. Hilly areas
d. Islands
Ans. c Hilly areas.
7. The major ozone depleting gas CFC is released from
a. Refrigerators
b. Automobiles
c. Industrial Chimneys
d. Nuclear reactors
Ans. a. Refrigerators.
8. Which of the following is known as “terror of bengal”
a. Algae
b. Water hyacinth
c. Fern
d. Lotus
Ans. b Water hyacinth.
9. Which one of the following is an important fibre yielding plant of Assam
a. Jute
b. Saal
c. Sisu
d. Holong
Ans. a. Jute.
10. Red Data Book is published in which year
a. 1970
b. 1980
c. 1990
d. 2000
Ans. a. 1970.
11. Manas National Park is recognised as National Park in which year
a. 1990
b. 1991
c. 1992
d. 1993
Ans. a. 1990.
12. 10% law of energy flow in an ecosystem is proposed by
a. Darwin
b. Lamarck
c. Ernst Haeckel
d. Lindmann
Ans. d. Lindmann.
13. GPP of an ecosystem is
a. Total production by photosynthesis
b. Total production by photosynthesis excluding Respiratory loss
c. GPP including Respiratiory loss
d. None of the above
Ans. a. Total production by photosynthesis.
14. Which one of the following is not an abiotic factor of an ecosystem
a. Sand
b. Light
c. Water
d. Algae
Ans. d. Algae.
15. Who is the father of “ecosystem”?
a. Arthur Tansely
b. Odum
c. Darwin
d. Theophrastus
Ans. a. Arthur Tansely.
16. What is the full form of IUCN
a. International Union for Conservation of Nature
b. International Union of Chemical Nomenclature
c. International Union for Control of Nature
d. International University Commission of Netharland
Ans. a. International Union for Conservation of Nature.
17. Where is the headquarter of WWF
a. Switzerland
b. Geneva
c. Rome
d. Paris
Ans. a. Switzerland.
18. When did the Central Board for Wildlife (CBW) is form
a. 1951
b. 1952
c. 1967
d. 1988
Ans. b. 1952.
19. Which one pf the following animal of north east region is categorised under IUCN Red Data Book’s Schedule-1
a. Rhino
b. Golden Langur
c. Pigmy hog
d. Elephant
Ans. c. pigmy hog
20. Which of the following is responsible for Bhopal Gas disaster
a. MIC
b. Argon
c. CO
d. None of the above
Ans. a. MIC
21. Which one of the following is the major cause of Air pollution
a. Acid rain
b. Soil erosion
c. Earthquake
d. Automobiles
Ans. d. Automobiles.
22. Who is highly associated with Bishnoi movement
a. Sundarlal Bahuguna
b. Amrita Devi
c. Jadav Payeng
d. None of the above
Ans. b. Amrita Devi.
23.Which one of the following is an example of Bio-fertilizer
a. Super phosphate
b. Organic matter
c. Azolla
d. Cow
Ans: c. Azolla.
24. The scientific name of Lion is
a. Panthera tigris
b. Panthera leo
c. Mangifera indica
d. Pavo cristatus
Ans: b. Panthera leo.
25. Bhopal gas tragedy was related with the
a. MIC
b. SO2
c. CO2
d. CO
Ans: a. MIC.
Key Points –
| Environmental Acts | Year |
| The Wildlife Protection Act | 1972 |
| Water (Pollution Control or Prevention) Act | 1974 |
| The Forest Conservation Act | 1980 |
| Air Pollution (Prevention and Control) Act | 1981 |
| The Environmental (Protection) Act | 1986 |
| The Factories Act | 1984 |
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26. “Ozone layer depletion” means
a. Reduction of thickness of ozone layer
b. Ozone gas formation
c. Thickening of ozone layer
d. Protection by ozone layer
Ans: a. Reduction of thickness of ozone layer.
27. Manas Wildlife Sanctuary was declared as National park in which year?
a. 1990
b. 1991
c. 1992
d. 1993
Ans: a. 1990.
28. Which of the following National Park is renamed as Rajiv Gandhi National Park in 1992?
a. Manas National Park
b. Nameri National Park
c. Orang National Park
d. Kaziranga National Park.
Ans: c. Orang National Park.
29. In which year Kaziranga wildlife sanctuary was declared as National park?
a. 1978
b. 1987
c. 1996
d. 1974
Ans: d. 1974.
30. Which of the following proteins are found in silk fibre?
a. Actin and Myosin
b. Albumin and Globulin
c. Fibroin and Sericine
d. Keratine and Histone
Ans: c. Fibroin and Sericine.
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