Total No. of Printed Pages 3 Roll No. ............................

1(CCE.M)2
Botany-I





Time Three Hours] [Maximum Marks 300
INSTRUCTIONS


Answers must be written in English.



The number of marks carried by each question is indicated at the end of the question.


The answer to each question or part thereof should begin on a fresh page.

Your answer should be precise and coherent.



The part/parts of the same question must be answered together and should not be interposed between answers to other questions.


Candidates should attempt question nos. 1 and 5 which are compulsory and any three out of the remaining questions, selecting at least one question from each section.


If you encounter any typographical error, please read it as it appears in the text-book.
(viii) Candidates are in their own interest advised to go through the General Instructions on the back side of the title page of the Answer Script for strict adherence.
No continuation sheets shall be provided to any candidate under any circumstances.
EFG-45560 1 Contd.

Candidates shall put a cross on blank pages of Answer SECTION-B Script.

5. Write detailed notes on any four of the following


No blank page be left in between answer to various


Role of botanical gardens in teaching and research
questions.

Totipotency
No programmable Calculator is allowed.

Experimental embryology
(xiii) No stencil (with different markings) is allowed.

Manoxylic wood

SECTION-A

Gynoecium in Rosaceae. 4×15=60
1. Write short notes on any six of the following
6. Enlist the various types of stomata. Give their structure and
Plant quarantine classification.

Mycoplasma

Floral evolution in monocots from Orchidaceae to Poaceae.
Lichens

Explain the methods of embryo rescue and its important

Petrification achievements. 3×20=60


Double fertilization 7. Give the outline of Engler and Prantle's system of classification. Mention its merits and demerits.


Polyembryony


Explain the role of Bryophytes from evolution point of view.


Somatic hybridization


Explain why Asteraceae is advanced in Dicotyledons.


Kranz anatomy. 6×10=60


3×20=60
2. Explain various modes of reproduction in Algae.
8. Mention the botanical source, plant parts used and economic
Explain the application of microbiology in industry.

uses of any five of the following
Describe with evidences the role of chemotaxonomy in
Gum Fibre
Angiosperms. 3×20=60
Spice Edible oil
3. Describe the origin and evolution of Angiosperm.
Timber Resin
Evolution of sexual reproduction in algae.

Explain the role of palynology in Agriculture.
Somaclonal variations and their application. 3×20=60
Explain various types of fossils. 3×20=60
4. Describe soral evolution in filicales.
Describe the process of C4 pathway.

Give distribution of Gymnosperms in India. 3×20=60 EFG-45560 2 Contd. EFG-45560 3 400