Download SGBAU BSc 2019 Summer 1st Sem Environmental Science Concepts Of Environmental Science Question Paper

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Time : Three Hours | [Maximum Marks : 80

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Note : (1) All questions are compulsory.
(2) Draw well labelled diagram wherever necessary.

1. (A) Fill in the blanks with appropriate words and rewrite the sentences :
   1. Lower most layer of atmosphere is __________.
   2. In atmosphere the vapour condenses normally into liquid at a point called __________.
   3. The rocks formed from cooling of Lava are called __________.

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   4. The up dwelling molten rocks that comes out through the vent of volcano is called __________.
2. (B) Choose the correct alternatives from the given choices :
   1. Which clouds are dangerous for air crafts ?
      1. Stratus
      2. Cumulonimbus
      3. Altostratus

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      4. Stratocumulus
   2. Tropical savannah is dominated by :
      1. Conifers
      2. Grasses
      3. Mosses

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      4. Ferns
   3. Which of the following is not the physical property of marine environment ?
      1. Viscosity
      2. Light penetration
      3. Temperature

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      4. Salinity
   4. __________ is the unit of atmospheric humidity.
      1. % percentage
      2. Lux
      3. Simens

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      4. °C
3. (C) Answer in one sentence :
   1. Define lapse rate.
   2. What are doldrums ?

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   3. Give any 3-marine medicinal resources.
   4. What is cyclonic precipitation ?

2. Describe with diagram hydrological cycle. 12
OR

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What are rocks ? Describe Igneous rocks. 12

3. Write notes on the following : 4 each
(a) Types of fresh water resources.
(b) Strategies for the conservation of forests.
(c) Humus and its significance.

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OR
(d) Types of mineral resources
(e) Demand and utilization of water resources.
(f) Process of soil formation

4. What is temperature ? Mention horizontal temperature distribution. Add a note on temperature inversion. 12

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OR
Define wind. Give the factors affecting wind motion. Describe different global wind patterns. 12

5. Write on the following :
(g) Concept of fog. 4
(h) Low clouds. 4

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(i) Arabian sea branch of monsoon. 4
OR
(j) Mechanism of El-Nino. 4
(k) Orographic precipitation. 4
(l) Rain as a form of precipitation. 4

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6. Write on the following :
(m) Distribution of tropical rainforests. 4
(n) Vegetation of savanna. 4
(o) Consequences of floods. 4
OR

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(p) Consequences of cyclones 4
(q) Causes of earthquakes. 4
(r) Climate of taiga. 4

7. Write on the following :
(s) Physical properties of marine environment. 4

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(t) Effects of Tsunami. 4
(u) Mineral resources from marine environment. 4
OR
(v) Oceanic currents. 4
(w) Petroleum deposits in marine environment. 4

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(x) Chemical properties of marine environment. 4

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