University of Delhi 2005 B.Sc Zoology (Hons.)subsidiary -Botany-I - Question Paper

Subsidiary for B.Sc. Honours-(NC) D
I exam
BOTANY-Paper I
(Plant Diversity)
(Admission of 2003 and onwards)


Attempt any 5 ques..
All ques. carry equal marks.

1. Fill in the blanks : (marks10)
(i) Binomial system of nomenclature was provided by
.. ..........
(ii) Chemosynthetic autotrophs come under ...................... .
bacteria.
iii) The reserve food material in Phaeophyceae is .........................
(iv) Kingdom Monera was created by ...........
(v) Cauliflower mosaic virus has ........................ as its hereditary material.
(vi) The microsporophyll of Pinus is equivalent to ............... of angiosperm.
(vii) The leafy structure encircling the cluster of antheridia in moss is called as .................
(viii) George Bentham and Sir J.D. Hooker gave a ................ of classification.
(ix) The infoldings of the plasma membrane in bacteria is referred as ......................

2.Draw the labelled diagrams of any 4 (4) of the following: (marks10)
(a) L.S. male head Funaria (moss).
(b) L.S. male cone of Pinus.
(c) Conidiophore of Penicillium.
(d) L.8. strobilus of Selaginella.
(e) Fern Prothallus.

3. Differentiate ranging from any 4 (4) of the subsequent. (marks10)
(a) Prokaryotes and eukaryotes.
(b) Chemosynthesis and photosynthesis.
(c) Facultative saprophytes and parasites.
(d) Plectenchyma and prosenchyma.
(e) Caphalotrichous and Lophotrichous.

4.(a) In what way the Bryophytes differ from Pteridophytes ? (marks3)
(b) Comment on the general characters of Gymnosperms. (marks3)
(c)Lichens are composite organisms. Comment (marks4)

5.(a)Viruses are of doubtful status. Justify it giving reasons. (marks3)
(b) Bacteria are more close to plants than animals. Justify (marks3)
(c) Mention the principal pigment and reserve food material in Cyanophyceae, Gb.lorophyceae,
Phaeophyceae and Rhodophyceae. (marks4 )

6.(a)Discuss the contributions of any 4 (4) of the following: (marks6)
(i) W. M. Stanley; .
(ii) Carolus Linnaeus;
(iii) Anton de Bary;
(iv) Leeuvenhoek;
(v) Louis Pasteur.

(b)raw a well labelled EM of bacterial cell

7.(a) A cereal. (marks2 )
(b) A legume. (marks2 )
(e) Drug plant. (marks2)
(d) Timber plant. - (marks2)
(e) Fiber yielding plant. (marks2)





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Earning:   Approval pending.