ECHM (2)
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F.D.(MUBIN) INSTITUTE OF ENGG. & TECHNOLOGY
1ST SEMESTER DIPLOMA
COMPUTER DEPARTMENT
MID-TERM-REMIDIAL EXAM-2012SUB: ECHM CODE: 3300003TOTAL - 30 TIME : 1:30 PASSING MARKS-12
Q.1 Attempt any two. 10(a)What are the biogeochemical cycles? Explain Nitrogen Cycle with the help of diagram.
(b) What are renewable and non-renewable resources? Give example.
(c)Describe sources of water pollution.
Q.2 Explain :( any two) (i) Seismograph of earthquake 5 (ii) Intensity of earthquake. (iii) Aftershocks of earthquake.
Q.3 Explain the types of earthquake. 5
Q.4 Define the following terms. (Any Three) 6(i) Earthquake. (ii) Desert storm. (iii) Flood.
(iv) Cyclone. (v) Snow avalanches.
Q.5 Explain “Green house effect” with the help of neat sketch. Enlist 4 Green house Gases. ORQ.5 What is “Global Warming”? Enlist its consequences.
ALL THE BEST