Palaeobotany and Morphology of Angiosperms-Botany-BSC-Nagpur-Winter-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) Compression and Petrifaction [5M]

(b) Geological time-scale. [5M]

OR

Write short notes on :

(c) Impression [2½M]

(d) Replacement theory[2½M]

(e) Glossopteris leaf[2½M]

(f) Infiltration theory. [2½M]

2. Write on :

(a) Modification of root for respiration and reproduction [5M]

(b) Sympodial branching. [5M]

OR

Write short notes on :

(c) Rhizome [2½M]

(d) Cladode[2½M]

(e) Structure of typical leaf [2½M]

(f) Parallel venation. [2½M]

3. Write on :

(a) Gymose inflorescence [5M]

(b) Types of Aestivation. [5M]

OR

Write short notes on :

(c) Raceme [2½M]

(d) Gynandrophore [2½M]

(e) Papilionaceous corolla [2½M]

(f) Hypogyny and epigyny. [2½M]

4. Write on :

(a) Types of Placentation [5M]

(b) Types of indehiscent fruits. [5M]

OR

Write short notes on :

(c) Fixation of anthers [2½M]

(d) Sorosis [2½M]

(e) Parts of gynoecium [2½M]

(f) Monoadelphous and diadelphous stamen. [2½M]

5. Write in 2 to 3 lines only (any TEN). Diagrams are not necessary.

(a) Palaeobotany

(b) Era

(c) Scutum

(d) Fusiform root

(e) Phyllotaxy

(f) Bulb

(g) Perigyny

(h) Epicalyx

(i) Umbel

(j) Hesperidium

(k) Gynobasic style

(l) Superior ovary.     [10M]