Banaras Hindu University (BHU) 2007 B.Sc Botany (hons)part 2 - Question Paper

botany
phanerogams
full marks75 hours 3

ans ques. five including ques. no. 9which is compulsory .

only 2 ques. should attemped from every part

the ques. 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 kinds and function of endosperm in angiosperm.[marks 15}


3.)how will you distinguish the subsequent 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}

part --------------b

5).write short notes on any 2 of the subsequent [marks 7.5*2]

(a) spikelet

(b)male strobilus of ephedra

(c) male cone of cycas

6. by means of labelled diagrams only provide the internal structure of any 2 of the subsequent ;[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 2 of the subsequent 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 2 of the subsequent [marks 7.5*2]

() double fertilization

()monocotyledoneae

() pinus needle

section- c

9.) ans the subsequent [marks1.5*10]

(a) provide floral formula of ocimum

(b)mention the kind of the placentation obtained in solanaceae.

(c)in which plant winged pollen grainsare present?

(d)give botanical name of the plantwhich yields drug from root.

(e) name the kind of fruit obtained in family apiaceae

(f) provide the name of family where tow feathery stigmas are obtained.

(g)assign the subsequent plants to their respective families;

(a) Adhathoda vasica

(b) Tectona grandis

(h)name the alga obtained in corroloid root of cycas

(i) provide 2 floral characters of the family cucurbitaceae.

(j)name the plant which indicates sulphur rain.

Earning:   Approval pending.