Palaeobotany and Morphology of Angiosperms-Botany-BSC-Nagpur-Summer-2019 - Grad Plus

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]

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