(DBOT01)
ASSIGNMENT-1
M.Sc. (Previous) DEGREE EXAMINATION, MAY–2017
First Year
BOTANY
Biology and Diversity of Algae, Bryophytes, Pteridophytes
and Gymnosperms (Paper – I)
MAXIMUM MARKS: 30
Answer ALL Questions
Q1) Fossil algae.
Q2) Evolution in algae.
Q3) Range of thallus in Bryophytes.
Q4) Evolutionary trends in Bryophytes.
Q5) Psilotum.
Q6) Stele in Lycopsida.
Q7) Wood in Gnetum.
Q8) Cones in Pinus.
(DBOT01)
ASSIGNMENT-2
M.Sc. (Previous) DEGREE EXAMINATION, MAY – 2017
First Year
BOTANY
Biology and Diversity of Algae, Bryophytes, Pteridophytes
and Gymnosperms (Paper – I)
MAXIMUM MARKS: 30
Answer ALL Questions
Q1)
Q2)
Q3)
Q4)
a)
Describe the thallus organisation in Algae.
b)
Write an essay on economic importance of Algae.
a)
Compare and contrast
Anthocerotopsida.
b)
Describe the general characters and reproduction in Bryopsida.
a)
Describe in detail Ptridospermales.
b)
Write an essay on fossil Pteridophytes.
a)
Give an account of economic importance of Gymnosperms.
b)
Describe the reproductive structures in Gnetales.
the
sporophyte

in
Hepaticopsida
and
(DBOT02)
ASSIGNMENT-1
M.Sc. (Previous) DEGREE EXAMINATION, MAY – 2017
First Year
BOTANY
Systematics of Angiosperms and Plant Ecology
(Paper – II)
MAXIMUM MARKS: 30
Answer ALL Questions
Q1) Herbalists.
Q2) Demerits of Engler and Prantl system of classification.
Q3) Minor categories.
Q4) Cytotaxonomy as a tool in resolving taxonomic disputes.
Q5) Homeostasis.
Q6) Hydrological cycle.
Q7) Continental drift.
Q8) Control of pollution.
(DBOT02)
ASSIGNMENT-2
M.Sc. (Previous) DEGREE EXAMINATION, MAY – 2017
First Year
BOTANY
Systematics of Angiosperms and Plant Ecology
(Paper – II)
MAXIMUM MARKS: 30
Answer ALL Questions
Q1)
a) Give an account of vegetation types of Andhra Pradesh with examples.
b) Compare and contrast the systems of classifications of Bentham & Hooker
and Hutchinson.
Q2)
a) Write a detailed essay on plant nomenclature.
b) Give an account of phytochemistry.
Q3)
a) Describe biogeochemical cycle with reference to phosphorus.
b) Enumerate the salient features of succession in plant communities.
Q4)
a) Give a detailed account of the floristic regions of the world.
b) What are the methods you suggest for the conservation of natural resources.

(DBOT03)
ASSIGNMENT-1
M.SC. (Previous) DEGREE EXAMINATION, MAY – 2017
First Year
BOTANY
(Paper –III): Cytology, Genetics and Plant Breeding
MAXIMUM MARKS: 30
Answer ALL Questions
Q1) Distinguish between interphase and S- phase.
Q2) Distinguish between centromere and telomere.
Q3) Distinguish between deficiency and duplication.
Q4) Distinguish between haploids and ecaploids.
Q5) Distinguish between multiple alleles and pseudoalleles.
Q6) Distinguish between physical and chemical mutagenesis.
Q7) Distinguish between test cross and back cross.
Q8) Distinguish between pedigree method and bulk method.
(DBOT03)
ASSIGNMENT-2
M.SC. (Previous) DEGREE EXAMINATION, MAY – 2017
First Year
BOTANY
(Paper –III): Cytology, Genetics and Plant Breeding
MAXIMUM MARKS: 30
Answer ALL Questions
Q1) a)
b)
Q2)
Describe the structure of chromosome and packing of DNA .
Describe the evolution of karyotype.
a) Give an account of numerical changes in chromosomes.
b) Describe the evolution of any crop plant studied by you.
Q3)
a) Explain Chi-square test and its applications.
b) Describe chromosome mapping in eukaryotes.
Q4)
a) Write an essay on plant introduction.
b) How do you develop new varieties in vegetatively propagated plants .


(DBOT04)
ASSIGNMENT-1
M.SC. (Previous) DEGREE EXAMINATION, MAY – 2017
First Year
BOTANY
(Paper –IV): Plants Physiology and Metabolism
MAXIMUM MARKS: 30
Answer ALL Questions
Q1) Chemical properties of water
Q2) Diffusion and active processes
Q3) Mode of action of enzymes
Q4) C4 cycle
Q5) Mechanism of nitrogen fixation
Q6) B-oxydation
Q7) Gibberellins
Q8) Vernalisation
(DBOT04)
ASSIGNMENT-2
M.SC. (Previous) DEGREE EXAMINATION, MAY – 2017
First Year
BOTANY
(Paper –IV): Plants Physiology and Metabolism
MAXIMUM MARKS: 30
Answer ALL Questions
Q1) a)
b)
Q2)
a)
Describe stomatal regulation of transpiration .
Give an account of membrane transport proteins.
Describe the mechanism of electron and proton transport.
b) Give an accounts of pentose phosphate pathway.
Q3)
a) Classify proteins and their synthesis.
b) Describe the biosynthesis of fatty acids.
Q4)
a) Trace the history and discovery of phytochrome and add a note on its
properties.
b) Enumerate the salient features of plant responses to water stress.
