BOT/VI/10 Student's Copy
2 0 1 8
6th Semester
BOTANY
TENTH PAPER
Angiosperm Taxonomy, Anatomy and Embryology
Full Marks 55
Time 2½ Hours
PART A—OBJECTIVE
Marks 20
The figures in the margin indicate full marks for the questions
SECTION—A
Marks 5
Tick the correct answer in the brackets provided 1×5=5
1. Distribution of Alkaloids has proved useful in the taxonomy of
Fabaceae
Ranunculaceae
Nymphaceae
None of the above
/514 1 Contd.
2. When the specific ephitet exactly repeats the generic name it is known as
priority
tautonym
taxa
principle
3. When a style arises from the base of the ovary it is known as
plumose
linear
gynobasic
terminal
4. Early development of monocot and dicot embryos are similar up to
diad stage
quadrant stage
octant stage
globular stage
5. Interxylary phloem is formed due to
formation of accessory strips of cambium
abnormal behavior of normal cambium
anomalous position of cambium
anomalous behavior of abnormal cambium
BOT/VI/10/514 2 Contd.
SECTION—B
Marks 15
Write notes on the following in brief 3×5=15
1. Artificial system of plant classification
2. Importance of herbarium in the taxonomy of angiosperm
3. Anatomical feature of xerophytes
4. Inflorescence of Euphorbiaceae family
5. Solanand type of embryogeny
PART B—DESCRIPTIVE
Marks 35
The figures in the margin indicate full marks for the questions
1. Give a comparative account on classification of Bentham and Hooker,
Engler and Prandtl and Hutchinson. 7
OR
Write accounts on the following 3½×2=7
Numerical taxonomy
Chemotaxonomy
2. What is herbarium? Describe the methods involved in herbarium
preparation and preservations.
OR
Write accounts on the following 3½×2=7
Evolution of angiosperms
ICBN
BOT/VI/10/514 3 Contd.
3. Describe the distinguishing characters of the family Rutaceae. Mention its
economic importance. 7
OR
Describe the floral characters of the following 3½×2=7
Zingiberaceae
Orchidaceae
4. What is root stem transition? Describe various types of transitions in
angiosperm.
OR
Write notes on the following 3½×2=7
Anatomical features of hydrophytes
Cambium
5. What is megagametogenesis? Describe different types of embryo sac.
OR
Write accounts on the following 3½×2=7
Endosperm
Polyembryony