Download SGBAU BSc 2019 Summer 2nd Sem Home Science Ecology n Environment Question Paper

Download SGBAU (Sant Gadge Baba Amravati university) BSc 2019 Summer (Bachelor of Science) 2nd Sem Home Science Ecology n Environment Previous Question Paper

AW?l 142
B.Sc. (Part?I) (Home-Sciencc) Semester?II Examination
2.6 : ECOLOGY AND ENVIRONMENT
Paper?IZSEEIS
Time : Three Hours] [Maximum Marks : 40
Note :? (1) All questions are compulsory.
(2) Draw diagrams wherever necessary.
(3) All questions carry equal marks.
1. Write in detail about problems of housing and essential services in cities and towns and their
control.
OR
Write in detail about causes and impact of uncontrolled population growth. 8
2. Identify whether the following statements are true or false :
2.1 Domestic waste includes waste from household preparation, waste paper etc. _ 7?
2.2 Mining waste includes eanhy material, rocks, coal etc.
2.3 Agricultural waste includes packing waste, of?ce waste, cafeteria waste etc.
2.4 Municipal waste includes farms, roots and stems etc.
2.5 Industrial waste includes non process and process waste
2.6 Packing waste includes jute, paper board, plastic etc.
2.7 Medical waste includes pathogens, solid cotton, dressings lines etc.
2.8 Ocean dumping is practiced by many river cities _. . 8
3. (A) Match the following :
A B
3.1 Acid Rain (a) C02, CH4 (methane), O3 in air
3.2 Air Pollution (b) Chloro?uorocarbons [CFCs]
3.3 Ozone Layer (c) Foreign panicles, gases and other materials
3.4 Greenhouse Gases (d) Oxides of nitrogen and sulphur 4
(B) Write :
3.5 Control of Noise Pollution.
3.6 Effect of Noise Pollution. 4
YBC?15492 1 (Contd.)

4. (A) Write in one or two sentences :
4.1 Medicinal imponance of garden.
4.2 Effect of green revolution on environment.
4.3 'l?ika disease of plant.
4.4 Pest ?? Aphid effect an plants. 4
(B) Write on Lhe following medicinal plants :
4.5 Aloe-vcra plant
4.6 Neem tree. 4
5. Write in detail about structure and functions of ecosystem.
OR
Write in dctai? about rights LmC dutias of citizen for environmental protection. 8
YBC-15492
Y.)
(Contd.)

AW?ll42
B.Sc. (Part-l) (Homc-Scicnce) Semester?II Examination
2.6 : ECOLOGY AND ENVIRONMENT
Paper?IZSEE13
Time : Three Hours] [Maximum Marks : 40
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YBC ~15492 3 (Contd.)

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YBCV ?15492 4 (Contd.)

AW?1142
B.Sc. (Part?I) (Home-Scicnce) Semester?II Examination
2.6 : ECOLOGY AND ENVIRONMENT
. Paper?125EE13
Time : Three Hours] [Maximum Marks : 40
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YBC?15492 5 (03?th

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