Palaeobotany and Morphology of Angiosperms-Botany-BSC-Nagpur-Summer-2018

Bachelor of Science (B.Sc.) Semester—2 Examination
BOTANY (Palaeobotany and Morphology of Angiosperms)

Optional Paper—1
Time : 3 Hours
Maximum Marks : 50

N.B. :— (1) All questions are compulsory and carry equal marks.
(2) Draw well labelled diagram wherever necessary.

1. Write on :

(a) Theories of fossilization. [5M]

(b) Impression and compression. [5M]

OR

Write short notes on :

(c) Glossopteris scutum. [2½M]

(d) Petrifaction. [2½M]

(e) Palaeozoic and Mezozoic era[2½M]

(f) Glossopteris leaf. [2½M]

2. Write on :

(a) Phyllotaxy [5M]

(b) Runner and Rhizome. [5M]

OR

Write short notes on :

(c) Reticulate venation [2½M]

(d) Uniparous Branching [2½M]

(e) Pneumalophores [2½M]

(f) Phyllode. [2½M]

3. Write on :

(a) Capitulum inflorescence [5M]

(b) Forms of corolla. [5M]

OR

Write short notes on :

(c) Monochasial cyme [2½M]

(d) Epigyny and perigyny [2½M]

(e) Vexillary aestivation [2½M]

(f) Androphore and Gynophore. [2½M]

4. Write on :

(a) Types of fleshy Fruits [5M]

(b) Cohesion of stamens. [5M]

OR

Write short notes on :

(c) Axile and parietal placentation [2½M]

(d) Syconous [2½M]

(e) Adhesion of stamen [2½M]

(f) Lomentum and Regma. [2½M]

5. Write in two or three lines only (any ten). Diagrams are not necessary : [10M]

(a) Fossil

(b) Gondwana Land

(c) Coal ball

(d) Fusiform roots

(e) Winged petiole

(f) Parallel venation

(g) Raceme

(h) Hypogyny

(i) Pappus

(j) Achene

(k) Versatile Fixation

(l) Marginal Placentation.