Hey Friends, Today I'm giving you Phycology questions and solutions. Phycology is a major subject of Botany. So this is important for you. Here I have given previous 5 years "Year Final Questions" for Botany Bsc (Honours) Students. This questions will be helpful for botany degree students too.
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First Year B. Sc. (Honours) Examination 2019
Course No. BOT. 103
Course Title: Phycology
Department of Botany
University of Chittagong
Full Marks: 75
Time: 4 hours
[Answer any FIVE questions. Figures in the right margin indicate full
marks. Give labeled diagram (s) wherever necessary. All parts of each
question must be answered subsequently.)
1. (a) Write six important characters of algae.
(b) Define the following spores with an example:
1. Aplanospore; ii. Auxospore;
iii. Autospore; iv. Carpospore;
v. Synzoospore and vi. Zoospore
(c) Mention the habitat, pigment names, reserve foods and
life cycle patterns of the following algal classes:
i) Cyanophyceae;
ii) Bacillariophyceae and
iii) Phaeophyceae
2. Compare the following pairs with examples
(a) Isogamy and oogamy.
(b) Penate and centric diatom;
(c) Mitospore and meioospore;
(d) Benthophytes and lithophytes and
(e) Chloroplast and chromatophore.
3. (a) Draw six types of chloroplasts of algae with examples.
(b) Discuss the advantages and disadvantages of sexual
reproduction in algae.
(c) Mention the names of algal perennating organs and
describe one of them.
4. (a) Draw and label the thallus of Volvox and Vaucheria.
(b) Describe the sexual reproduction of Volvox
(C) Diagrammatically represent the post fertilization changes
of Polysiphonia.
5. (a) Describe the asexual reproduction of Oedogonium.
(b) Write the occurrence and systematic position of the
following genera:
i. Gelidium; ii. Nostoc; iii. Chara and iv. Gloeotrichia.
6. (a) Which criteria are used for the algal classification?
(b) Classify the classes of Chlorophyceae and Phaeophyceae
up to order with one example.
(c) Name two genera from each of green, red and brown
algae found in the St. Martin's Island.
7. (a) Discuss the role of algae in food and agriculture.
(b) What are extra cellular products in algae? Mention their
importance.
8. Write notes on:
(a) Agar-agar;
(b) Biofueling;
(c) Heterocyst;
(d) Gonidium; and
(e) Conceptacle.
1st year B.Sc. (Honours) Examination
Department of Botany
University of Chittagong
First Year B. Sc. (Honours) Examination 2018
Department of Botany
University of Chittagong
Course No. BOT. 103
Course Title: Phycology
Marks: 75
Time: 4 hours
[Answer any five questions. Figures on the right margin indicate full marks. Give
labeled diagrams wherever necessary. All parts of each question should be
answered subsequently.]
1. (a) Define Phycology.
(b) What are the affinities of algae with bryophytes?
(c) Write important characteristics of the following classes with
examples:
i) Cyanophyaceae ii) Bacillariophyceae and iii) Pheophyceae
(d)
Draw and label any four types the pyrinoides found in algae.
chlosoplants
2. (a) Write the names of different algal habitats with example.
(b) Why blue green algae are called Cyanobacteria?
(c) Describe prokaryotic and eukaryotic algal cells with example.
(d) Diagrammatically present the haplobiontic and diplobiontic life
cycle of algae
3. (a) Distinguish between the following pairs:
i) Akinet and heterocyst; ii) Zoospore and Aplanospore; and
iii) Coenobium and Coenocyte.
(b) Describe the types of colonies which are formed in algae.
(c) Classify Cynophyceae up to order.
4. (a) Write the development of oogonium in Sargassum und
Oedogonium.
(b) Draw, label and describe the vegetative structure of Frtischiella.
5. (a) Write the importance of diatom.
(b) Discuss the role of algae in agriculture and industry.
(c) Mention the names of pigments and reserve food materials of
blue-green, green, brown and red algae.
6. (a) Write the systematic position of the following algal genera:
i) Chlorella; ii) Batrachospermum; iii) Sargassum; and iv)
Polysiphonia.
(b) With description, draw and label the following thallus:
i) Nostoc; and ii) Chara.
7. (a) Name two genera from green, red and brown algae found in the
Sundarban mangrove.
(b) Describe the effects of current and substrate on the growth of
inarine algae.
(c) Discuss the ecology and vertical distribution of marine algae of
St. Martin's Island.
8
Write notes on:
(a) Algal bloom;
(b) Bioluminescence ;
(c) Fossil algae;
(d) Toxic algae; and
(e) Paraphyses
First Year B.Sc. (Hons.) Examination 2017
Subject - Botany
Course No.- Bot. 103
Course Title - Phycology
Full Marks - 75
Time - 4 Hours
[Answer any FIVE questions. Figures on the right margin indicate full marks. Give
labeled diagrams wherever necessary.]
1. a. Write six important characters of algae.
b. Mention the names of pigments and reserve food materials of blue green,
green, brown and red algae.
Mention one example from each of the following terms (generic name only).
i. Prokaryotic algae;
viii. Disease producing algae in tea
ii. Coenocytic algae:
leaf;
iii. Freshwater red algae;
ix. Amorphous bulbil producing
iv. Heterotrichous algae;
algae
v. Marine green algae
X. Synzoospore producing algae
vi. Conceptacle bearing algae; xi. Carpospore producing algae
vii. Autospore producing algae xii. Auxospore producing algae:
2. Compare the following terms with example:
i. Symbiotic and Parasitic algae;
ii. Zoospore and Aplanospore;
iii. Chloroplast and Chromatophore;
iv. Penate and centric diatom; and
v. Isogamy and Oogamy.
3. a. With examples discuss the following algal perenating organs:
i. Akinete; ii. Tubers; and iji. Palmella stage.
b. Mention the important characters of the class Chlorophyceae and
Rhodophyceae.
4.
Point out the criteria used for the algal classification.
b. Classify the following classes up to order with one example of each order.
i. Chlorophyceae ii. Phaeophyceae
Write the economic importance of rhodophyceae.
5. a. Write the economic importance of blue green algae and diatom.
Write the advantages and disadvantages of sexual reproduction in algae.
Name two genera from each of green, red and brown alga found in the St.
Martins Island.
6. a. With diagram describe the thallus structure of Nostoc and Fritschiella.
h. Write the occurrence and systematic position of the following genera:
i. Gelidium ii. Batrachospermum iii. Gelidium iv. Gloeotrichia.
Oedogonium
7. a.
Describe the sexual reproduction of Volvox.
b. Discuss the cell reproductive patterns in Chlorella.
c. Diagrammatically represent of post fertilisation changes in Polysiphoniu.
8.
Write notes on:
a. Colourless algae;
b. Cyanobacteria ;
c. Heterocyst;
d. Toxic algae; and
e. Extracellular products of algae.
Department of Botany
University of Chittagong
First Year B.Sc. (Honours) Examination 2016
Course No. BOT. 101
Course Title: Virology and Microbiology
Full Marks: 50
Time: 3 hours
[Answer any five questions. Figures on the right margin indicate fall marks. Give
labeled diagrams wherever necessary. All parts of each question must be
answered subsequently.)
1.a. What is meant by microbiology?
b. Mention the scope of microbiology in the present
world.
c. Explain the "Swan neck flask” experiment of Luis
Pasteur.
d. Write Koch's postulates for the identification of a
new pathogen.
2. a. Why viruses are not considered as cells? Explain.
b. Write the transmission processes of virus.
c. How will you detect virus? Explain any one
method.
3. a. Classify bacteria on the basis of size and shape.
b. Describe the growth curve of an ideal bacterium.
What are biofilms? Illustrate the formation
processes of bacterial biofilms.
4. (a) What is prion? Write the characteristics of prion.
(b) Compare the structure of viroids, Mycoplasma and
Chlamydia.
regeri
(c) Mention the name of two disease caused by each of
prion, viroids, Mycoplasma and Chlamydia.
5. Differentiate the following pairs:
a) RNA virus and DNA virus;
b) Biogenesis and abiogenesis;
c) Gram positive and gram negative bacteria;
d) Lytic and lysogenic cycle; and
e) Flagella and pili.
6. a. What is Rickettsia? Write the salient features of 1+3=4
Rickettsia.
b. Discuss the recombination in bacteria through
conjugation.
c. Write the role of bacteria in agriculture.
7. a. What is meant by control of microorganism?
b. Describe the physical and chemical control
methods of microorganism.
c. What is meant by antibiotic sensitivity assay?
Discuss one method for antibiotic sensitivity assay.
8. Write notes on :
a) Actinomycetes;
b) AIDS;
c) Plasmid; and
d) Endospore.
DEPARTMENT OF BOTANY
UNIVERSITY OF CHITTAGONG
1 Year B.Sc. (Honours) Examination 2015
Course No. BOT. 101
Course Title: Virology and Microbiology
Marks: 50
Time: 3 hours
[Answer any FIVE questions. Figures in the right margin indicate full marks. Give labeled
diagram wherever necessary. All parts of each question must be answered subsequently.)
1.(a) Differentiate between abiogenesis and biogenesis.
(b) Discuss the germ theory of diseases.
(c) Write the contribution of the following scientists in the field of
microbiology.
i) Antony Van Leeuwenhoek
ii) Ronald Ross
2.(a) Differentiate between prion and viroids.
(b) Write the salient features of viroids.
(c) Write the economic importance of prion and viroids.
3.(a) What is virus? Write the status of virus.
(b) Why does AIDS patient need to take life time drugs?
(d) Illustrate the multiplication of T2 phage virus.
4.(a) What is mycoplasma? Write the salient features of mycoplasma.
(b) Describe the structure of chlamydia.
(c) Mention four diseases caused by mycoplasma.
5.(a) What are bacteria? Write the general characteristics of bacteria.
(b) Classify bacteria on the basis of flagella and nutrition.
(c) Differentiate between gram positive and gram negative bacteria.
6.(a) Why actinomycetes are called 'ray fungi'? Write the fungal
characteristics of actinomycetes.
(b) Give a modern classification of actinomycetes.
Creaty
c) Write the economic importance of actinomycetes.
7. a) What is meant by growth of microorganisms.
b) Discuss the different methods of measurement of growth of
microorganisms.
c) Describe the different phases of growth of microorganisms.
8.Write notes on :
a) Symbiosis,
b) Kock's postulates;
c) Rickettsia;
d) Citrus canker and
e) Role of bacteria in agriculture.
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