B.Sc-B.Sc Botany 3rd Sem Plant Diversity(University of Pune, Pune-2013)
F.Y. B.Sc.
BOTANY - I
Plant Diversity
SEAT No. :
[Total No. of Pages : 2
(Paper - I) (2008 Pattern)
Time : 3 Hours] [Max. Marks : 80
Instructions to the candidates :
1) All questions are compulsory.
2) Draw neat labelled diagrams wherever necessary.
3) Figures to the right indicate full marks.
Q1) Attempt the following :
a) What are ephemerals?
b) Give any two types of unicellular algae.
c) Give any two methods of vegetative reproduction in fungi.
d) Mention any two thallus structures of lichens.
e) Write any two characters of mosses.
f) Write any two methods of vegetative reproduction in pteridophytes.
g) Give any two characters of gymnosperms.
h) Define placentation.
Q2) Attempt any four of the following :
a) Explain the concept of plant diversity.
b) Describe thallus diversity in algae.
c) Describe vegetative reproduction in cystopus.
d) Explain the organisation and structure of sporophyte in mosses.
e) Define flower. Describe parts of typical flower.
f) Describe sexual reproduction in pteridophytes.
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Q3) Write short notes on any four of the following :
a) Sporophyte diversity in cycadales and ginkgoales.
b) In-situ conservation of plant diversity.
c) Adhesion of stamens.
d) Internal thallus diversity in lichens.
e) Occurrence of bryophytes.
f) Male and female cones of Gnetales.
Q4) Attempt any two of the following :
a) Describe thallus diversity in fungi.
b) What is calyx? Explain various modifications of calyx.
c) Describe mode of nutrition in fungi.
d) What is androecium? Describe cohesion of stamens.
Q5) Describe life cycle pattern in Cystopus.
OR
Sketch, label and describe any four types of racemose inflorescence.
| Earning: Approval pending. |
