University of Rajasthan 2005 B.Sc Botany DIVERSITY OF SEEDS PLANTS AND THIER SYSTEMATICS %28FIRST %29 - Question Paper

B.SC (PART II) exam , 2005

(FACULTY OF SCIENCE)


[ALSO COMMON WITH SUBSIDIARY PAPER OF B.SC.(HONS.)PART II]


(THRE YEAR SCHEME OF 10+2+3 PATTERN)

BOTANY (FIRST PAPER)

(DIVERSITY OF SEEDS PLANTS AND THIER SYSTEMATICS )

DESCRIPTIVE PART - II

TIME ALLOWED: 2 HOURS MAXIMUM MARKS- 30

ATTEMPT 3 ques. IN ALL . ques. CARRY EQUAL MARKS :


1. WRITE A SHORT NOTES ON :
(I) GLOSSOPTERIS (II) FEMALE CONE OF PINUS (MARKS - 5+5)

2. DRAW WELL LABELLED DIAGRAMS OF THE subsequent :
(I) T.S. OF CORALLOID ROOT OF CYCASE
(II) T.S. OF YOUNG STEM OF EPHEDRA
(III) T.S. OF RACHIS OF CYCAS
(IV) L.S. OF EPHEDRA SEED (MARKS -2.5+2.5+2.5+2.5)

3. WRITE SHORT NOTES ON :
(I) STRUCTURE OF THE OVULE OF CYCAS
(II) NEEDLE OF PINUS
(III) MALE AND FEMALE FLOWERS OF EPHEDRA (MARKS - 3+3+4)

4. explain THE subsequent IN BRIEF :-
(I) ORIGIN OF ANGIOSPERM
(II) MERITS AND DEMERITS OF BENTHEM AND HOOKER'SCLASSIFICATION
(III) CONTRIBUTION OF CYTOLOGY TO TAXONOMY (MARKS - 4+3+3)

5. define THE subsequent :-
(I) INFLORESCENCE OF LAMIACEAE
(II) CORELLA OF PAPILIONACEAE
(III) ANDROECIUM OF RANUNCULACEAE
(IV) GYNOECIUM OF APOCYNACEAE (MARKS -2.5+2.5+2.5+2.5)

6. define THE subsequent :-
(I) DIFFRENCES IN FLORAL CHARACTERS OF THE 3 SUB -FAMILIES
OF LEAGUMINOSAE
(II) FLORAL FORMULA AND FLORAL DIAGRAM OF POACEAE
(III) ECONOMIC IMPORTANCE OF LILIACEAE (MARKS - 4+3+3)

Earning:   Approval pending.