Acharya Nagarjuna University (ANU) 2005 M.Sc Information and Communication Technology BIOLOGY AND DIVERSITY OF ALGAE, BRYOPHYTES, PTERIDOPHYTES AND GYMNOSPERMS - Question Paper

M.Sc. (Previous) DEGREE EXAMINATION,
DECEMBER 2005.
First Year
Botany
Paper I - BIOLOGY AND DIVERSITY OF ALGAE, BRYOPHYTES, PTERIDOPHYTES AND GYMNOSPERMS

Time : 3 Hours Maximum : 100 marks

ans any 5 ques. from part A.
every ques. carries eight marks.
Also ans ALL the ques. from part B.
every ques. carries 15 marks.
part - A (5x8=40 marks)

1. Bacillariophyta.
2. Phylogeny of chlorophyceae and charophyceae
3. General characters of bryophytes.
4. Life cycles in bryophytes.
5. Fossn pterideophytes.
6. Heterospory.
7. ovuliferous seales.
8. Cones of coniferales.

part B - (4x15=60 marks)

9. (a) define how the algae are used as food, fodder, fertilizer and in
pharmaceutical.

Or

(b) define the struture, reproduction and life cycles inphaeophyecae.

10. (a) define the development of sex orgons and process of sexual
reproduction inbryophytes.

Or

(b) provide an account of classification and evolutionary tendencies of
sporophyte in bryophytes.

11. (a) provide an account on the classification of pteridophytes and add
anote on fossil members of pteridophytes.

Or

(b) define the evolution of stele on pteriodephytes.

12. (a) define the evolution of male and female gametophytes in residing
gymnosperms.

Or

(b) provide an account on the economic uses of gymnosperms.

Earning:   Approval pending.