Download I YEAR - ANUCDE

Centre for Distance Education
Acharya Nagarjuna University :: Nagarjunanagar – 522 510
ASSIGNMENT TOPIC FOR FIRST YEAR M.Sc. BOTANY DEGREE EXAMINATION, DECEMBER 2012
Paper I — BIOLOGY AND DIVERSITY OF ALGAE, BRYOPHYTES, PTERIDOPHYTES
AND GYMNOSPERMS (DBOT 01)
Answer all Questions
Each Assignment carries Max: 20 marks
Assignment – I
1.
Nucule
2.
Economic importance of blue green algae
3.
Capsule in Anthoceros
4.
Gemmae cups
5.
Psilotom
6.
Stele in Lycopsida
7.
Bennetlitales
8.
Wood in coniferales.
Assignment – II
9.
10.
11.
12.
(a)
Describe the thallus organisation in Algae.
(b)
Explain the phylogenetic relations in phaeophyta.
(a)
Discuss the life history of Anthoceros.
(b)
Discuss the evolution of Sporophyte in Bryophytes.
(a)
Write an essay on fossil Pteridophytes.
(b)
Describe the reproduction and evolutionary trends in Pteridopsida.
(a)
Give an account of Pteriodospermales.
(b)
Describe the reproductive organs in Gnetales.
Paper II — SYSTEMATICS OF ANGIOSPERMS AND PLANT ECOLOGY (DBOT 02)
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Each Assignment carries Max: 20 marks
Assignment - I.
1.
Linnaeus system of classification.
2.
Demerits in Hutchimson system of classification.
3.
Infraspecific categories.
4.
Contribution of geography to taxonomy.
5.
Biological magnification.
6.
Energy flow.
7.
Alternate energy sources.
8.
Endocrines.
Assignment – II
9.
10.
11.
12.
(a)
Give an account of any post - Darurnan system of classification studied by you.
(b)
Describe the present plant distribution in India with examples.
(a)
Write an essay on plant nomenclature.
(b)
Explain the role of cytology in resolving taxonomic disputes.
(a)
Describe biogeochemical cycles with reference to phosphorus.
(b)
Enumerate the salient features of population interactions.
(a)
Describe the floristic regions of the world.
(b)
Give an account of conservation of natural resources.
Paper III — CYTOLOGY, GENETICS AND PLANT BREEDING (DBOT 03)
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Each Assignment carries Max: 20 marks
Assignment – I
1.
Prokaryotic cell structure.
2.
Nucleolus.
3.
Aneuploids.
4.
Autopolyploids.
5.
Chi-square test.
6.
Tetrad analysis.
7.
Back cross method of breeding.
8.
Chonal selection.
Assignment – II
9.
10.
11.
12.
(a)
Describe cell cycle in eukaryotes.
(b)
Give an account of karyotype evolution.
(a)
Describe structural alternations in chromosomes.
(b)
Describe the evolution of major crop plants.
(a)
Write an essay on cytoplasmic inheritance.
(b)
What is mutation? How they are induced? Explain their role in plant breeding.
(a)
Write an essay on plant introduction.
(b)
Give an account of breeding methods in self pollinated crops.
Paper IV — PLANT PHYSIOLOGY AND METABOLISM (DBOT 04)
Answer all Questions
Each Assignment carries Max: 20 marks
Assignment – I
1.
Micro nutrients transport by diffusion.
2.
Membrane transport proteins.
3.
CAM-Pathway.
4.
Glycolysis.
5.
Phospholipids.
6.
Glyoxalate cycle.
7.
HR and SAR processes.
8.
Auxins.
Assignment – II
9.
(a)
Enumerate the physical and chemical properties of water.
(b) Explain the stomatal regulation of transpiration.
10.
11.
12.
(a)
Give an account of nomenclature, classification and mode of action of enzymes.
(b)
Describe photorespiration and its significance.
(a)
Write an essay on nitrogen fixation.
(b)
Describe the synthesis of aminoacids.
(a)
Give an account of photo chemical and biochemical properties of phytochrome and add
a note on phytochrome induced plant responses.
(b) Describe photoperiodism and role of vernalization.