Palaeobotany and Morphology of Angiosperms-Botany-BSC-Nagpur-Summer-2019
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) Geological time scale. [5M]
OR
Write short notes on :
(c) Compression [2½M]
(d) Glossopteris scutum[2½M]
(e) Glossopteris leaf[2½M]
(f) Petrifaction.[2½M]
2. Write on :
(a) Modification of roots for respiration and reproduction [5M]
(b) Venation. [5M]
OR
Write short notes on :
(c) Rhizome[2½M]
(d) Conical and napiform roots [2½M]
(e) Sympodial branching[2½M]
(f) Tendrils.[2½M]
3. Write on :
(a) Forms of corolla [5M]
(b) Spike and Spadix inflorescence. [5M]
OR
Write short notes on :
(c) Structure of typical flower [2½M]
(d) Androphore and gynophore[2½M]
(e) Valvate and imbricate aestivation[2½M]
(f) Ray and disc florets.[2½M]
4. Write on :
(a) Types of placentation [5M]
(b) Cohesion of androecium. [5M]
OR
Write short notes on :
(c) Fixation of anthers [2½M]
(d) Pome [2½M]
(e) Parts of gynoecium [2½M]
(f) Sorosis.[2½M]
5. Write in two or three lines only (any TEN). Diagrams are not necessary :
(a) Impression
(b) Epoch
(c) Palaeobotany
(d) Phyllode
(e) Tuber
(f) Phyllotaxy
(g) Epigyny
(h) Cymose inflorescence
(i) Vexillary aestivation
(j) Gynostegium
(k) Siliqua
(l) Apocarpous. [10M]