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Posted Date: 06 Jul 2008 Posted By: richa Member Level: Silver
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2007 Banaras Hindu University Botany b.sc (hons)part 2 examination 2007 Question paper
botany
phanerogams
full marks75 hours 3
answer question 5 including question no. 9which is compulsory .
only two question should attemped from each section
the question are of equal value
section_-------------------A
1.give an brief account of reproduction in pinus.[marks 15}
2.)give an short account of the development types and function of endosperm in angiosperm.[marks 15}
3.)how will you distinguish the following familes[marks 7.5*2]
(a) papaveraceae and mrytaceae.
(b) aclepiadaceae and apocynaceae.
4.)give an comparative account of the floral characters of the families Rananculaceae, Rubiaceae and Amaranthaceae [marks 15}
section --------------b
5).write short notes on any two of the following [marks 7.5*2]
(a) spikelet
(b)male strobilus of ephedra
(c) male cone of cycas
6. by means of labelled diagrams only give the internal structure of any two of the following ;[marks 7.5*2]
(a)L.s.of ovule of ephedra
(b)t.s. of leaflet of cycas
(c)t.s. of ephedra stem
7.) illustrate any two of the following with the help of labelled diagram only ;[marks 7.5*2]
(a)t.s. of Boerhavia
(b)t.s. of Dracaena
(c) t.s. Tinospora root
8.)write short notes on any two of the following [marks 7.5*2]
() double fertilization
()monocotyledoneae
() pinus needle
section- c
9.) answer the following [marks1.5*10]
(a) give floral formula of ocimum
(b)mention the type of the placentation found in solanaceae.
(c)in which plant winged pollen grainsare present?
(d)give botanical name of the plantwhich yields drug from root.
(e) name the type of fruit found in family apiaceae
(f) give the name of family where tow feathery stigmas are found.
(g)assign the following plants to their respective families;
(a) Adhathoda vasica
(b) Tectona grandis
(h)name the alga found in corroloid root of cycas
(i) give two floral characters of the family cucurbitaceae.
(j)name the plant which shows sulphur rain.
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