GTU Basics of Environmental Studies - December 2014 Exam Question Paper

GTU First Year Engineering (Semester 1)
Basics of Environmental Studies
December 2014

Total marks: --
Total time: --

INSTRUCTIONS
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary

1 (a) 1 When is world environment day celebrated
(a)4 june
(b)5 june (c)7 july
(d)5 july

1 M

1 (a) 2 Sundar Lal Bahuguna is known for his association with
(a)Kerala Sastra Sahitya Parishad (b) Chipko movement (c)Samaj Parivartan Samudaya (d) Dasholi Gram Swarajya Mandal

1 M

1 (a) 3 Which of the following can be said to be the example of secondary succession
(a)Pond
(b)farm (c)desert
(d)forest

1 M

1 (a) 4 Discharge of organic waste water into river will
(a) Reduce dissolve oxygen
(b)Reduce pH
(c)Increase total dissolve solids
(d)Toxic to humans

1 M

1 (a) 5 Among the given options, which one is not correct for the use of large amount of fertilisers and pesticides ?
(a) They are eco-friendly
(b)They turn the fields barren after some time
(c)They adversely affect the useful component from the soil
(d)They destroy the soil fertility

1 M

1 (a) 6 Which is not true?
(a) Lithosphere includes the crust and the uppermost mantle
(b)Lithosphere is underlain by the stratosphere
(c)Lithosphere provides timber
(d)Lithosphere is broken into tectonic plates

1 M

1 (a) 7 Noise is:
(a) Loud sound
(b)Sound of high frequency
(c)Unwanted sound
(d)Constant sound

1 M

1 (b) 1 Van Mahotsav is an annual tree-planting festival in India, celebrated on:
(i) 2nd June ( ii) 1st July (iii) 1st December (iv) 15th September

1 M

1 (b) 2 Wild life protection act was enacted in
(i)1952 (ii) 1955 (iii) 1972 (iv) 1982

1 M

1 (b) 3 Which one is not greenhouse gas? (i) CO₂ (ii) Ozone (iii) CH₄ (iv) CFC

1 M

1 (b) 4 Out of these which is a renewable source of energy
(i)Natural Gas (ii) Wind energy (iii) Nuclear power (iv) petroleum

1 M

1 (b) 5 Which of the group of diseases is spread through contaminated food or water
(i)Typhoid cholera & dysentery (ii)Tetanus Hepatitis & AIDS (iii)Measles influenza & small pox (iv)Rabies Malaria & encephalitis

1 M

1 (b) 6 Minimata disease is due to
a) Hg (mercury) (b) Pb (lead) (c) Zn (Zinc) (d) Mg (Magnesium)

1 M

1 (b) 7 Percentage of total water found as fresh water is_______
(i) 87.5% (ii) 2.5% (iii) 97.5% (iv) 75%

1 M

2 (a) Diagrammatically represent & explain the structure & composition of Atmosphere.

3 M

2 (b) Why water is a unique natural resource What are the consequences of over utilization and pollution of water.

4 M

2 (c) Analyze the statement that 'Approximately 75% of the earth surface is covered by water then to availability of fresh water is the biggest crisis facing the world today.'

7 M

3 (a) Define & differentiate Undernourishment & malnourishment.

3 M

3 (b) Why is environmental education provided to engineers

4 M

3 (c) Write a short note on any two non-conventional sources of energy.

7 M

4 (a) Define pollution, pollutants and population explosion

3 M

4 (b) Discuss the air pollution caused by oxides of nitrogen and sulphur

4 M

4 (c) Analyse the relationship between population and pollution.

7 M

5 (a) What do you mean by food chain. Explain different types of food chain with example.

3 M

5 (b) Explain pyramid of energy.

4 M

5 (c) Suggest how we can increase the social awareness for judicial use of water, land & greenery in our surrounding.

7 M

6 (a) Define the term exploitation & global warming.

3 M

6 (b) How Ozone is getting depleted from the atmosphere? Explain with chemical reaction.

4 M

6 (c) Comment on the statement 'Products are made psychologically obsolete long before they actually wear out'

7 M

7 (a) Explain the aim & objectives of Air ( Prevention & control of pollution ) Act 1981

3 M

7 (b) What do you understand by environmental ethics & what are its objectives

4 M

7 (c) Discuss the statement 'Sustainable development is the need of the hour'

7 M

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