Upload
ruslan-lan
View
221
Download
2
Embed Size (px)
Citation preview
8/19/2019 SBBI4303 Environmental Biology %5BWorksheet%5D
1/24
8/19/2019 SBBI4303 Environmental Biology %5BWorksheet%5D
2/24
8/19/2019 SBBI4303 Environmental Biology %5BWorksheet%5D
3/24
Matric ID: 3
Questions
1. Which horizon is the most fertile layer? Why? [4 marks]
2. Which horizon contains most macro-organisms? Why? [4 marks]
3. Why there is a change in the horizon colour? [6 marks]
Total = / 16 marks
8/19/2019 SBBI4303 Environmental Biology %5BWorksheet%5D
4/24
Matric ID: 4
B. Contaminated soil profile
Identify a location where the soil is contaminated with wastes such as petrol, engine oil, construction
waste, etc.
The apparatus and procedure of obtaining the contaminated soil profile is similar to Part A - Soil
Profile.
Results:
Draw and label the soil profile.
Questions:
1. Is there any difference between the soil profile in Experiment A and Experiment B? [2 marks]
2. What are the organisms that can inhabit in this place? [2 marks]
[ 2 marks]
8/19/2019 SBBI4303 Environmental Biology %5BWorksheet%5D
5/24
Matric ID: 5
3. Name TWO (2) methods that can be used to clean this place. [2 marks]
4. Of the TWO (2) methods mentioned, which is more economical? Why? [6 marks]
Total = /14 marks
8/19/2019 SBBI4303 Environmental Biology %5BWorksheet%5D
6/24
Matric ID: 6
C. Characteristics of soil
Materials: containers, different soil (type: sandy, loam, clayey) water, tissue papers, marker
i) Soil Texture
Procedure:
1. Take a few soil sample from the beaker.
2. Add some drops of water into it.
3. Feel the texture and record your observations.
Results:
Soil Type Texture
A
B
C
[ 6 marks]
Total = /6 marks
8/19/2019 SBBI4303 Environmental Biology %5BWorksheet%5D
7/24
Matric ID: 7
ii) Soil pH
Procedure:
1. Weigh 20g of the soil in a 100ml beaker.
2. Add 20ml of distilled water and stir the mixture for 20 minutes.
3. Determine the soil pH by using the pH meter.
Results:
Soil Type pH
Questions
1. Which type of soil is suitable for vegetation? Why? [4 marks]
2. What remedial measures can be taken if the soil is acidic? [4 marks]
[6 marks]
Total = /14 marks
8/19/2019 SBBI4303 Environmental Biology %5BWorksheet%5D
8/24
Matric ID: 8
Experiment 2
Bacterial Growth
Task:
1. By using the results given below, draw the growth curve of this bacteria by using appropriate
scale. [8 marks]
Results
Time (hr) Population Density
(103
bacteria/ml)
0 10
0.5 20
1.0 40
1.5 80
2.0 150
2.5 290
3.0 450
3.5 520
4.0 520
4.5 515
5.0 260
Questions
1. List TWO (2) methods to determine population density. [2 marks]
2. Name the FOUR (4) phases observed from the graph. [4 marks]
8/19/2019 SBBI4303 Environmental Biology %5BWorksheet%5D
9/24
Matric ID: 9
8/19/2019 SBBI4303 Environmental Biology %5BWorksheet%5D
10/24
Matric ID: 10
3. Briefly explain the FOUR (4) phases above. [8 marks]
4. Find the generation time of a bacterial population that increases from 10,000 to 1,000,000 cells
in 2 hours of growth? (use the given formula below) [6 marks]
3.3log /
t
b BGeneration time, G =
t = time interval in minutes
B = number of bacterial cells at the initial of the time of interval.
b = number of bacterial cells at the end of the time of interval.
8/19/2019 SBBI4303 Environmental Biology %5BWorksheet%5D
11/24
Matric ID: 11
5. Indicate the carrying capacity in your graph. [2 marks]
6. What is carrying capacity? [2 marks]
Total = / 32 marks
8/19/2019 SBBI4303 Environmental Biology %5BWorksheet%5D
12/24
Matric ID: 12
Experiment 3
Population demography
Table A, B and C below illustrate the population statistics of three (3) countries in 2004.
Age Male Female
0- 4 2,230,772 2,125,453
5- 9 2,563,716 2,448,160
10- 14 2,641,687 2,533,606
15- 19 2,496,242 2,417,57220- 24 2,811,024 2,737,473
25- 29 2,915,059 2,827,665
30- 34 2,706,359 2,757,138
35- 39 2,543,959 2,688,494
40- 44 2,321,463 2,505,206
45- 49 2,054,445 2,200,758
50- 54 1,704,166 1,810,250
55- 59 1,302,768 1,380,543
60- 64 1,064,142 1,153,832
65- 69 874,388 981,740
70- 74 635,770 740,781
75- 79 388,517 481,228
80+ 282,130 404,931
Age Male Female
0- 4 3,105,936 2 ,952,446
5- 9 3,104,985 2 ,950,959
10- 14 3,126,946 2,973,591
15- 19 3,468,433 3,304,23320- 24 3,909,460 3,735,018
25- 29 4,562,498 4,360,047
30- 34 5,057,980 4,851,411
35- 39 4,338,613 4,233,931
40- 44 3,927,665 3,868,652
45- 49 3,914,446 3,890,642
50- 54 4,703,329 4,748,744
55- 59 4,697,001 4,817,095
60- 64 4,117,839 4,387,062
65- 69 3,416,937 3,818,012
70- 74 2,882,591 3,473,494
75- 79 2,090,099 2,861,615
80+ 1,779,563 3,901,729
Table A: Country A Table B: Country B
Source: US Census Bureau, 2005
8/19/2019 SBBI4303 Environmental Biology %5BWorksheet%5D
13/24
Matric ID: 13
Age Male Female
0- 4 3,650,838 3,384,841
5- 9 4,057,603 3,758,829
10- 14 4,626,818 4,328,637
15- 19 4,655,925 4,398,040
20- 24 4,263,771 4,114,804
25- 29 3,695,630 3,570,729
30- 34 3,319,120 3,334,939
35- 39 2,991,770 3,045,280
40- 44 2,711,344 2,885,819
45- 49 2,086,545 2,355,769
50- 54 1,388,180 1,654,777
55- 59 890,898 1,087,150
60- 64 714,934 947,144
65- 69 638,707 889,260
70- 74 567,598 796,614
75- 79 358,859 579,747
80+ 294,860 617,021
Table C: Country C
Source: US Census Bureau, 2005
Tasks:
1. Tabulate the data into percentages for each country. [15 marks]
2. Draw the demography chart showing the population of these three countries based on the
information given. [15 marks]
8/19/2019 SBBI4303 Environmental Biology %5BWorksheet%5D
14/24
Matric ID: 14
Age Male (%) Female (%)
0- 4
5- 9
10- 14
15- 19
20- 24
25- 29
30- 34
35- 39
40- 44
45- 49
50- 54
55- 59
60- 64
65- 69
70- 74
75- 79
80+
Age Male (%) Female (%)
0- 4
5- 9
10- 14
15- 19
20- 24
25- 29
30- 34
35- 39
40- 44
45- 49
50- 54
55- 59
60- 64
65- 69
70- 74
75- 79
80+
Table A: Country A Table B: Country B
Total Total
8/19/2019 SBBI4303 Environmental Biology %5BWorksheet%5D
15/24
Matric ID: 15
Age Male (%) Female (%)
0- 4
5- 9
10- 14
15- 19
20- 24
25- 29
30- 34
35- 39
40- 44
45- 49
50- 54
55- 59
60- 64
65- 69
70- 74
75- 79
80+
Table C: Country C
Total
8/19/2019 SBBI4303 Environmental Biology %5BWorksheet%5D
16/24
Matric ID: 16
8/19/2019 SBBI4303 Environmental Biology %5BWorksheet%5D
17/24
Matric ID: 17
8/19/2019 SBBI4303 Environmental Biology %5BWorksheet%5D
18/24
Matric ID: 18
8/19/2019 SBBI4303 Environmental Biology %5BWorksheet%5D
19/24
Matric ID: 19
3. Characterize the level of development of the countries in Table A, B and C. [3 marks]
4. List THREE (3) social implications related to Country C? [3 marks]
5. Based on the patterns among the three (3) demographies, will Country A and Country C placemore emphasis on environmental issues? Why? [6 marks]
Total = / 42 marks
8/19/2019 SBBI4303 Environmental Biology %5BWorksheet%5D
20/24
Matric ID: 20
Experiment 4
Municipal Solid Waste
Weight the municipal solid waste (MSW) provided in Table 4.1 and answer the following questions.
Table 4.1: Percentages of dry MSW disposed from three different socio-
economic areas in Selangor.
Questions
1. Draw a bar graph to represent the MSW composition. [6 marks]
2. Which of the above represents a high socio-economic status? Why? [6 marks]
Socio-economic status (%)
A B CComposition
Weight % Weight % Weight %
Papers
Plastics & rubbers
Glass & ceramics
Food wastes
Textiles
Garden wastes
Wood
[6 marks]
8/19/2019 SBBI4303 Environmental Biology %5BWorksheet%5D
21/24
Matric ID: 21
8/19/2019 SBBI4303 Environmental Biology %5BWorksheet%5D
22/24
Matric ID: 22
3. Which of the above represents a low socio-economic status? Why? [6 marks]
4. Reduce, Reuse and Recycle are collectively known as 3R. Why reduce is given more emphasis?
[6 marks]
Total = / 30 marks
8/19/2019 SBBI4303 Environmental Biology %5BWorksheet%5D
23/24
Matric ID: 23
Experiment 5
Water Quality
Materials: Beakers, markers, pipe water, industrial wastewater, landfill leachate, pond water, pH
meter, DO meter, turbidity meter
Procedure:
Task:
1. Observe and record the following parameters:
a. colour b. turbidity
c. smell
d. presence of macro-organisms
e. pH
f. oxygen level
Results
Pipe water
Industrial
wastewater
Landfill
leachate Pond water
Colour
Turbidity
Smell
Macroorganisms
pH
Oxygen level
[6 marks]
8/19/2019 SBBI4303 Environmental Biology %5BWorksheet%5D
24/24
Matric ID: 24
Questions
1. Based on your observations, what type of water is suitable for aquatic organisms? Why?
[6 marks]
2. Will turbidity influence aquatic organisms? Why? [6 marks]
3. If the turbidity level increases in pond water, what type of organisms will increase? Why?
[6 marks]
This laboratory worksheet ends here
Total = / 24 marks