previous year EVS.pdf

## MEERUT INSTITUTE OF ENGINEERING AND TECHNOLOGY ### 1^st Sessional Remedial Examination, ODD Semester 2023-24 **Course/Branch:** B Tech. (OP 1-OP 14) **Subject Name:** ENVIRONMENT & ECOLOGY **Subject Code:** BAS104 **Semester:** 1 **Max. Marks:** 60 **Time:** 120 min *** ### **Section...

## MEERUT INSTITUTE OF ENGINEERING AND TECHNOLOGY ### 1^st Sessional Remedial Examination, ODD Semester 2023-24 **Course/Branch:** B Tech. (OP 1-OP 14) **Subject Name:** ENVIRONMENT & ECOLOGY **Subject Code:** BAS104 **Semester:** 1 **Max. Marks:** 60 **Time:** 120 min *** ### **Section - A (CO-1) # Attempt both the questions # 30 Marks** **Q.1:** Attempt any **SIX** questions (Short Answer Type). Each question is of two marks. * What are the four segments of environment? (K2) * Explain with examples the terms food chain and food web? (K2) * What do you understand by energy flow in an ecosystem? Give diagram also (K2) * What do you understand by Multi-disciplinary nature of environmental science? (K2) * What do you understand by the terms eutrophication and biomagnification? (K2) * What are the environmental impacts of urbanization? (K2) * What is the concept of sustainable development? (K2) **(2 x 6 = 12 Marks)** **Q.2:** Attempt any **THREE** questions (Medium Answer Type). Each question is of 6 marks. * What do you understand by the terms "ecology" and "ecosystem"? Illustrate the structure of an ecosystem using flow chart and also discuss the functions of an ecosystem. (K3) * What are ecological pyramids? Explain various types of ecological pyramids giving suitable examples. Which ecological pyramid is always upright and why? (K4) * What is environmental lapse rate? What are the different regions/layers of atmosphere? Construct a table showing different regions of atmosphere and their characteristics. (K3) * What is EIA? With the help of a flow chart, describe EIA process. (K3) * Critically evaluate the environmental problems associated with modern agriculture and mining. (K5) **(3 x 6 = 18 Marks)** ### **Section – B(CO - 2 ) # Attempt both the questions # 30 Marks** **Q.3:** Attempt any **SIX** questions (Short Answer Type). Each question is of two marks. * What are natural resources? Classify them (K2) * What is nuclear energy? What are its demerits? (K2) * What is deforestation? Give its major causes and consequences. (K2) * What do you understand by tidal energy and hydrogen energy? (K2) * What is geothermal energy? (K2) * What is biogas? Give its composition. (K2) **(2 x 6 = 12 Marks)** * Distinguish between renewable and non-renewable energy resources giving suitable examples. (K2) **Q.4:** Attempt any **THREE** questions (Medium Answer Type). Each question is of 6 marks. * What is Bio-geochemical cycle? Explain by drawing sketch Nitrogen cycle? (K3) * Giving suitable examples, explain causes and effects of water borne and water induced diseases (K4) * Discuss the causes and impacts of Fluoride and Arsenic problem in drinking water. (K4) * Discuss the advantages and disadvantages of solar wind & hydro energy. (K4) * What are fossil fuels? How do we get electricity from fossil fuels? Critically evaluate the environmental problems associated with burning of fossil fuels. (K) **(3 x 6 = 18 Marks)**