BBYET-143 · June 2022 · English
IGNOU BBYET-143 June 2022 Previous Year Question Paper
Economic Botany And Biotechnology
Structured previous year question paper for BBYET-143, June 2022 session.
Max marks: 50 · Questions: 8
Verified: 29 Jul 2026
B. SC. UGC (CBCS)
Term-End Examination
June, 2022
BBYET-143 : ECONOMIC BOTANY AND
BIOTECHNOLOGY
Time : 2 Hours Maximum Marks : 50
Note :
(i) Question No. 1 is compulsory. Marks are
indicated against each question.
(ii) Answer any four questions from @. No.
Q1.2008.
Q2.Write the botanical names of the following plants: 1x4=4
(a)
(i) Rice Gi) Groundnut
(iii) Clove
(iv) Teak
(b) Fillin the blanks : 1x4=4
(6) Majority of the cereals belong to the Gi) Legumes are a rich source of ii) is the primary source of carbon in the tissue culture media.
(iv) DNA sequencing methodology was
(c) Give the full form of the following abbreviations : 1x2=2 @ SNP Gi) PCR
Q3.(a) Briefly describe Vavilov’s contribution in defining centres of origin of cultivated plants. 5
(b) Describe morphological characters of rice with labelled diagram.
Q4.Write botanical names of any four oil-yielding plants. Describe morphology and uses of any one of them.
Q5.Describe the process of paper making from wood with the help of well labelled diagram.
Q6.Describe the practical applications of plant tissue culture.
Q7.Define ‘Biosafety’. Discuss various biosafety issues concerned with genetically modified crops.
Q8.What is CRISPR-Cas 9 technology ? Describe its methodology and significance.
Q9.Write short notes on any four of the following : 22x4=10 Gi) Bottleneck effect
(ii) Golden rice
(iii) Cosmid
(iv) Hybridoma technology
(v) Southern blotting technique 1x4=4 1x2=
(2)
Q10.1. 0.