BBYCT-131 · December 2023 · English
IGNOU BBYCT-131 December 2023 Previous Year Question Paper
Biodiversity (Microbes, Algae, Fungi And Archegoniates)
Structured previous year question paper for BBYCT-131, December 2023 session.
Max marks: 50 · Questions: 8
Verified: 29 Jul 2026
B. SC. (UGC) (C.B.C.S.)
Term-End Examination
December, 2023
BBYCT-131 : BIODIVERSITY (MICROBES, ALGAE,
FUNGI AND ARCHEGONIATES)
Time : 2 Hours Maximum Marks : 50
Note : All the question s are compulsory. Marks are
indicated against each question.
Q1.Describe lytic or lysogenic replication in viruses with suitable diagrams.
Q2.Prepare a detailed account on occurrence, morphology and ultrastructure in Cyanophyta.
Q3.Write the name of causal pathogen, host, symptoms and control measures of early blight of potato or stem rust of wheat.
Q4.Describe asexual or sexual reproduction in Marchantia with the help of clear and well labelled diagrams. 4+1 [ 2 ]
Q5.Describe various types of st eles found in pteridophytes along with suitable diagrams.
Q6.Describe economic importance of Pteridophytes or Gymnosperms.
Q7.Compare the male reprodu ctive structure of Cycas and Pinus.
Q8.Draw clear and well labe lled diagrams of any four of the following : 2
(i) T. S. of Fucus thallus
(ii) L. S. capsule of Funaria
(iii) A bacterial cell
(iv) T. S. of coralloid root of Cycas
(v) Mature megagametophyte of Selaginella [ 3 ] BBYCT–131 2023 -131 [ 4 ] BBYCT–131
(iii)
(iv)