Time Allowed: Three
Hours Maximum Marks: 200
Candidates should attempt questions 1 and 5 which are
compulsory, and any THREE of the remaining questions, selecting at least ONE
question from each Section.
SECTION A
1.
Answer any four of the following :
(Answers should be within 150 words in each
case)
(a)
Write what you known on the following :
(i)
Gametangium of Ectocarpus
(ii)
An illustrated account of nucule of Nitella.
(iii)
Modes of nutrition in fungi
(iv)
L.S. female receptacle of Marchantia
(b)
Answer the following:
(i)
Flagellate apparatus in Chlamydomonas
(ii)
Outline diagrams showing various parts of
pinnate diatoms
(iii)
Auxospore formation in diatoms
(iv)
Strobilus of Sealginella
(c)
Write notes on:
(i)
Blue-green algae as biofertilisers
(ii)
Types of bacterial culture media
(iii)
Structure of a bacteriopharge
(iv)
T.M.V. (Tobacco mosaic virus)
(d)
Answer the following :
(i)
Cell structure of Zygnema
(ii)
Importance of diatomaneous earth
(iii)
Economic importance of bacteria
(iv)
Structure of polytrichum capsule
(e)
Differentiate between:
(i)
Oogonium and sporangium
(ii)
Isomorphic and heteromorphy life cycles
(iii)
Akinete and zygote
(iv)
Strobilus of Lycopodium and Selaginella
2.
(a) With the help of suitable diagrams describe
the life history of Oedogonium. (No description)
(b)Write an account of various types of
spores found in algae. Give labeled diagrams.
3.
(a) Write an illustrated account of saprophytic
phase of anthocerous.
(b)Write a short account of the economic importance
of algae.
4.
Write
notes on the following giving suitable diagrams wherever necessary:
(a)
Anatomical structure of Rhynia stem
(b)
Anatomy of Selaginella Root
(c)
Stem anatomy of Equisetum
(d)
Sporocarp of Marsilea
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