Palaeobotany and Morphology of Angiosperms-Botany-BSC-Nagpur-Winter-2017
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) Impression and compression [5M]
(b) Glossopteris (leaf and scutum). [5M]
OR
Write short notes on :
(c) Petrifaction [2½M]
(d) Palaeozoic era [2½M]
(e) Replacement theory [2½M]
(f) Mesozoic era.[2½M]
2. Write on :
(a) Phyllotaxy [5M]
(b) Modifications of stem. [5M]
OR
Write short notes on :
(c) Pneumatophores[2½M]
(d) Monopodial branching[2½M]
(e) Reticulate venation[2½M]
(f) Napiform and conical roots. [2½M]
3. Write on :
(a) Androphore and Gynophore [5M]
(b) Structure of typical flower. [5M]
OR
Write short notes on :
(c) Raceme inflorescence[2½M]
(d) Perigyny and epigyny[2½M]
(e) Imbricate and twisted aestivation [2½M]
(f) Monochasial cyme. [2½M]
4. Write on :
(a) Types of placentation [5M]
(b) Types of simple dry dehiscent fruits. [5M]
OR
Write short notes on :
(c) Dehiscence of anther[2½M]
(d) Composite fruits[2½M]
(e) Parts of gynoecium[2½M]
(f) Cremocarp. [2½M]
5. Write in two or three lines on each (any TEN). Diagrams are not necessary : [10M]
(a) Fossilization
(b) Palaeobotany
(c) Pre-Cambrian era
(d) Parallel venation
(e) Sympodial branching
(f) Prop root
(g) Polypetalous
(h) Hypogyny
(i) Gynandrophore
(j) Hesperidium
(k) Synandrous
(l) Versatile fixation.