Fisheries Level 2 Semester 15, 16, 17 Biodiversity and Fishery Systematics-

 

B. Sc. Fisheries Level 2 Semester 15, 16, 17   Biodiversity and Fishery Systematics-

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Prepare a list of all the available protected areas of Bangladesh.

e) Describe about Sunderbans wild life sanctuary and Banshkhali eco park.

5.0

2.0

a) What are meant by species and habitat diversity?

b) Draw a schematic diagram of the values of biodiversity.

e) Describe the present status of aquatic biodiversity in Bangladesh.

2.0

5.0

5.

2.0

a) Mention the characteristics of wetland ecosystem.

b) Write the roles of wetland ecosystem.

e) Describe the faunal diversity of the Hakaluki Hoar,

3.0

4.0

6.

2.0

5.0

a) What do you mean by SIS..

b) Write the nutritional significance and culture potentiality of SIS in

Bangladesh.

e) Name the critically endangered SIS with their feeding habit.

2.0

7.

3.0-3.0-9.0

Write notes on any three (03) of the following:

a) Tangua Haor b) Basic information on biodiversity

e) Criteria adopted by IUCN Bangladesh

d) Kaptai Lake

SECTION-B

5.0 x 9.0 45.0

Answer any 5 (Five) questions

1.0 2.0

1. Define taxonomy.

Mention the importance of taxonomy. eWrite about the types of taxonomic characters.

6.0

2.

a) What is meant by biological classification.

b) Cite the significance of biological classification. c) Pen down the components of biological classification.

3.0

3. Define nomenclature. What are the requirements of nomenclature?

Write on the principles of typification.

5.0

1.0

3.0

a) What do you mean by evolution?

h) Differentiate between convergent and divergent evolution. Write about homologous characters as an evidence of evolution.

5.0f

Hajee Mohammad Danesh Science and Technology University. Dinajpur/

B. Sc. Fisheries (Hons.) Level 2 Semesterd (January-June) Final Examination

17

Course Title: Biodiversity and Fishery Systematics

Course Code: FBG 201 Credit Hours: 3.0

Full Marks: 90.0

Time: 3 11ours

Split answering of any questiol) is acceptable Use separate answer script for each section

SECTION-A

5.0 x 9.0 45.0

Answer any 5 (Five) questions

2.0 4.0

a) What are the stressors to aquatic biodiversity"? b) How pollution and climate change influence aquatic biodiversity? c) Mention the conservation measures of aquatic biodiversity.

3.0

2.0 4.0

2.

a) Differentiate among exotic species, alien species and invasive alien species. b) Make a complete list of exotic fish species of Bangladesh with their detail information. c) What are available comments about exotic Thai pangas, tilapia and grass

carp? Deline protected area.

3.0

1.0 -3.0

3.

Fisheries Level 2 Semester I Aquaculture Final question 2015, 16, 17 Coastal

 

 Fisheries  Level 2 Semester I Aquaculture  Final question  2015, 16, 

 

 

 

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2016

unit

Hajee Mohammad Danesh Science and Technology University, Dinajpur

B. Se. Fisheries (Hons.) Level 2 Semester 1 (January-June) Final Examination 201

Course Title: Coastal Aquaculture Course Code: AQC 201

Credit Hours: 3.4

Full Marks: 90

Time: 3 Hours

Split answering of any question is unacceptable

Use separate answer script for answering each of the sections

Section A

5×9-45

Answer any Five of the following questions.

Define coast, coastal zone and coastal aquaculture. Write the types of coastal aquaculture that are practiced in Bangladesh

2. Why tides and currents should be considered during site selection of a coastal farm.

Describe the effects of lunar cycle on coastal aquaculture.

3. Define mangrove forest with its key characteristics. b. Cite the impact of mangrove forest destruction on coastal fisheries.

Explain the significance of mangrove ecosystem in fisheries sector.

4. Mention the significance of using seaweed. Describe the culture techniques of seaweed.

5. a. Define stenohaline and euryhaline fish.

What is detritus and how it is formed from mangrove leaves? Write a note on salinity.

6.

Write the mechanism of pearl formation. Depict the bamboo plot and floating raft culture system of edible oyster.

7. Enunciate the off bottom culture techniques of Perna viridis.

a. What is spat?

Section B

Answer any Five of the following questions.

2.0

4.0

a. What are the morphological characters of Penaeus monodon? b. Describe briefly the semi-intensive culture system of P. monodon. c. Write a note on partial harvesting of shrimp from a big gher.

3.0

3.0

2.

a. State the global distribution, habitat and feeding behavior of mud crab. b. Describe the grow out technique of mud crab in coastal ponds.

6.0

3.

3.0

a. Mention the benefits of rice cum fish and shrimp farming. b. Describe briefly the rice cum fish and shrimp farming practiced in estuarine areas of Bangladesh.

6.0

4.

2.0

a. Cite the major problems of seabass during culture period. b. Sketch the life cycle of Australian seabass (Lates calcarifer).

c. Explain the seabass culture systems in ponds.

2.0

5.0

5.

a. Mention the taxonomic classification along with the food and feeding habit of 3.0

milkfish. b. Write the harvesting techniques of milkfish.

2.0

Describe the pond culture methods of milkfish including the optimum water quality conditions for culture.

4.0

6.

a. Write the scientific names of 5 mullet species being cultivated.

b. Why mullet is a desirable species for aquaculture?

2.0

30

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Fisheries Level-2 Semester-1 Statistics question 2015, 16, 17

Fisheries Level-2 Semester-1 Statistics question

 

 

 

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HAJEE MOHAMMAD DANESH SCIENCE AND TECHNOLOGY UNIVERSITY, DINAR B. Sc. Fisheries (Hon's) Level-2 Semester-I (Jan-June) Semester Final Examinations-201 Course Title: Statistics (Theoretical) Course Code: STT205

The figures in the right margin indicate full marks USE SEPARATE SCRIPTS FOR EACH SECTION

Answer any three questions from each section

Time: 3 hours

SECTION-A

Marks

1. a) Define Statistics and write its significant roles in the field of agriculture. b) Identify the variables as a qualitative or quantitative, as a discrete or continuous,

measurement:

5

as a scale of 5

Various types of treatment, Weight of fish, Economical status of fisher, Body temperature of a fish and Pond size.

c) State the important sources of secondary data.

7

2. a) What do you mean by central tendency? Write the purposes of it. Describe different types central tendency with uses.

b) Mention the characteristics of an ideal measure of central tendency?

c) Calculate the mean and median of the following data set. What evidence is there for concluding that the data are or are not symmetrically distributed? Body weights of 16 fillets in grams: 54.1, 49.8, 24.0, 46.0, 44.1, 34.0, 52.6, 54.4, 56.1, 52.0, 51.9, 54.0, 58.0, 39.0, 32.7, 58.5. 4

3. a) What do you understand by dispersion? What purpose does a measure of dispersion serve?

b) Discuss various types of measures of dispersion.

c) Define skewness? What are the various measures of skewness?

6

4. a) Define following terms with example: Empirical probability, Sample space,

Mutually exclusive events.

b) State the additive and multiplicative laws of probability.

Outcomes, 5

5

c) What is the probability of selecting either medium or short duration variety out of 10 short, 15 5 medium and 6 long duration varieties available in minnow from a hatchery?

of

The figures in the right margin indicate full marks Answer any three questions from each section

SECTION-B

Marks

1. a) State the binomial distribution with assumptions. b) What is poisson distribution? In a population of fish 3% have defective. In a sample of 100 5

fish, what is the probability that more than one fish has defective? e) Define a normal distribution and also write its important properties.

2. a) What is a scatter diagram? Mention the properties of coefficient of correlation. b) Define regression equation. Write the simple linear regression model. Also state the

assumptions of linear regression. c) Interpret the terms and sketch the diagrams: (1) r=0.95, (ii) r-1 and (iii) b=13.5.

6

3

3. a) Define alternative hypothesis, level of significance, test statistic and type-I error. b) Write the test procedure for a specified value of a single mean when sample is small and variance is unknown.

5

The average production of fish per pond in a particular region was known from a considerable experience as 620 kg with a standard deviation 4.5 kg. A sample of 20 ponds gives an average production of fish 550 kg per pond. Test whether the average production of fish per pond selected in the sample is in agreement with the average production in that region at 5% level of significanc

                                                          

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