Veer Narmad South Gujarat University 2011-2nd Year B.Sc Botany SB-0706 : - 3 ( New ) - Question Paper

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ENGLISH VERSION

Instructions : (1) As per the instruction no. 1 of page no. 1.

(2)    Answer the questions with neat and labelled diagram.

(3)    Figures to the right indicate full marks of the question.

1    Give very short answers as directed :    15

(i)    Clarify the difference between Creepers and traillers.

(ii)    State the name of the climbing modified organs of smilex, passion flower and clematis.

(iii)    Explain : Coenanthium inflorescence.

(iv)    Give scientific name of any two economic important plants of family Myrtaceae.

(v)    State the name of pigments and researve food material of Rhodophyceae.

(vi)    Describe : Soredia of Lichen.

(vii)    Describe the spore tetrad of Anthoceros.

(viii)    Explain Carinal cavity of Equisetum.

(xi) Explain Toly embryonae of Pinus.

(x) State the name of pathogene which is responsible for Red stripe rot of Sugarcane.

2    What is defensive device of the plant ? Give its outline and 10 detail account of defensive devices with the help of diagram

and proper example which you have studied.

OR

2    Define inflorescence and explain in detail different types of 10 recemose type of inflorescence with the help of diagram and proper example.

4 What is alternation of generation ? Explain in detail this    10

phenomena with the help of the life history of B atr achosp ermum.

OR

Describe :    10

(i)    S exu al rep ro duction of Pythium

(ii)    Life of Puccinea on wheat.

5 Describe :    10

(i)    Sex organs of Anthoceros

(ii)    Uses of Lichen.

OR

5 Describe:    10

(i)    Equisetum cone

(ii)    Pinus male cone.

6 Write short notes on : (any three)    15

(i)    Twiners and adhesive climber

(ii)    Inflorescence of Ficus and Euphorbia pulcherrima.

(iii)    Vegetative reproduction shown in Nostoc.

(iv)    Internal structure of thallus of Lichen.

(v)    Ovule of Pinus

(vi)    Soft rot of Apple.

SB-0706]    4    [800]

1

   Classify with reasons of family leguminosae, write the    10 general characters of any two subfamilies and cite the scientific name of any two economic important plant from

each and every subfamily.

OR

3 Classify with reasons of series Bicarpallatae and state the 10 distinguishing characters of each and every family from it.

Cite the scientific name of any two economic important plant from each and every family.