BBYET-143 · June 2023 · English
IGNOU BBYET-143 June 2023 Previous Year Question Paper
Economic Botany And Biotechnology
Structured previous year question paper for BBYET-143, June 2023 session.
Max marks: 50 · Questions: 9
Verified: 29 Jul 2026
B. Sc. UGC (CBCS)
Term-End Examination
June, 2023
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) Attempt any four questions from
question no. to 2 to 8.
Q1.(a) Write botanical names of the following plants : 1x4=4 @) Coffee Gi) Black pepper
(ii) Turmeric
(iv) Shisham
(b) Fillin the blanks : 1x4=4 @ In wheat the outermost layer of endosperm is Gi) The most important alkaloid in Rauwolfia serpenting is ccc - @ii) wu... is the undifferentiated mass of cell produced via tissue culture.
(iv) The technique of southern blotting
(c) Write full form of the following abbreviations : 1x2=2 @) RFLP Gi) SNP
Q2.Write botanical name of any four spices of your choice. Describe morphology and uses of any one of them.
Q3.(a) List the botanical names of any four legumes of your choice. Describe their nutritional value. 4+1
(b) Write a note on cultivation, morphology and uses of soybean.
Q4.(a) What is micropropagation ? Enlist the major steps involved in it. 1+4
(b) Define somatic embryogenesis and describe its importance.
Q5.Briefly outline the principle and methodology of DNA fingerprinting technique with the help of a labelled diagram.
Q6.Explain CRISPR-cas 9 technology. Describe its importance and list its applications.
Q7.List various areas of application of plant biotechnology. Discuss any two areas of your choice where biotechnology had made its mark.
Q8.Write short notes on any four of the following : 2'2x4=10 @) Shuttle vectors Gi) ELISA technique
(iii) Cloning vectors
(iv) Germplasm conservation
(v) Western blotting technique 1x4=4 1x2=
(2)
Q9.1. 0. Gi) Werget (ELISA) tate BBYET-143 5,0
(80)