BBYCT-131 · December 2020 · English
IGNOU BBYCT-131 December 2020 Previous Year Question Paper
Biodiversity (Microbes, Algae, Fungi And Archegoniates)
Structured previous year question paper for BBYCT-131, December 2020 session.
Max marks: 50 · Questions: 8
Verified: 29 Jul 2026
B. SC. UGC (CBCS)
Term-End Examination
December, 2020
BBYCT-131 : BIODIVERSITY (MICROBES, ALGAE,
FUNGI AND ARCHEGONIATES)
Time : 2 Hours Maximum Marks : 50
Note: All questions are compulsory. Marks are
indicated against each question.
Q1.Differentiate between DNA viruses from RNA viruses with the help of appropriate examples and diagrams.
Q2.Discuss the mechanism of conjugation or transduction in bacteria with proper diagrams.
Q3.(a) With the help of neat and_ labelled diagrams, depict different types of chloroplast structures in algae. 5
(b) Differentiate between prokaryotic and eukaryotic algal cells.
Q4.Describe the life-cycle of Rhizopus or Agaricus by making clear and labelled diagrams.
Q5.Write an account on distinguishing features of Archegoniates.
Q6.Discuss the biological significance रण heterospory in pteridophytes.
Q7.Enumerate the economic importance of gymnosperms.
Q8.Prepare clear and well labelled diagrams of any four of the following : 21+4=10
(0) Formation of palmella_ stage in Chlamydomonas
(i) Arrangement of vesicles in growing hyphal tips of true fungi
(ii) L. S. of megasporangium of Selaginella
(iv) T.S. of rhizome of Pteris
(v) L.S. of male cone of Pinus
Q9.1. 0. BBYCT-131 3,7
(70)