Acharya Nagarjuna University (ANU) 2011-1st Year B.Sc Botany Code:DBOT 01, M.Sc s, I — BIOLOGY AND DIVERSITY OF ALGAE, BRYOPHYTES, PTERIDOPHYTES AND GYMNOSPERMS - Question Paper

For Code:DBOT 01, M.Sc. Degree Examinations, May 2011. 1st Year Botany Paper I — BIOLOGY AND DIVERSITY OF ALGAE, BRYOPHYTES, PTERIDOPHYTES AND GYMNOSPERMS.
See the subsequent attachment.

M.Sc. DEGREE EXAMINATION, MAY 2011.

(DBOT 01)

First Year Botany

Paper I BIOLOGY AND DIVERSITY OF ALGAE, BRYOPHYTES, PTERIDOPHYTES AND GYMNOSPERMS

Time : Three hours    Maximum : 100 marks

SECTION A (5 x 8 = 40 marks)

Answer any FIVE questions.

Each question carries 8 marks.

1.    Fritschiella.

2.    Flagellar structure in Chlamydomonas.

3.    Sporophyte of Sphagnum.

4.    Gemmae.

5.    Plectostele.

6.    Telome theory.

7.    Megasporophyll of Cycas.

8.    Anthophyte hypothesis.

SECTION B (4 x 15 = 60 marks)

Answer ALL questions.

Each question carries 15 marks.

9.    (a) Give an account of variation in sexual

reproduction in algae.

Or

(b) Write a note on economic importance of algae.

10.    (a) Write an essay on different means for

vegetative reproduction in bryophytes.

Or

(b) Write an essay on the evolution of sporophyte in bryophytes.

11.    (a) Write an essay heterospory and evolution of

seed habit in pteridophytes.

Or

(b) Describe the life cycle of an eusporangiate fern.

Describe the process of reproduction in Gnetales.

Or

Describe different fossil genera of Glossopteridaceae and compare it with other groups of pteridospermales.

3    (DBOT 01)

Attachment: acharya-nagarjuna-university--anu--2011-b-sc-botany-7688-1.pdf

Earning:   Approval pending.