BBYET-143 · December 2022 · English
IGNOU BBYET-143 December 2022 Previous Year Question Paper
Economic Botany And Biotechnology
Structured previous year question paper for BBYET-143, December 2022 session.
Max marks: 50 · Questions: 8
Verified: 29 Jul 2026
BACHELOR OF SCIENCE
(UGC) (CBCS)
Term-End Examination
December, 2022
BBYET-143 : ECONOMIC BOTANY AND
BIOTECHNOLOGY
Time : 2 hours Maximum Marks : 50
Note: Question no. 1 is compulsory. Marks are indicated
against each question. Attempt any four questions
from questions no. 2 to 8.
Q1.(a) Write botanical names of the following plants : 4x1=4
(i) Wheat Gi) Soybean
(iii) Tea
(iv) Coconut
(b) Fill in the blanks : 4x1=4
(i) Majority of the legumes belong to the family .
(ii) Chillies are a good source of .
(iii) The term ‘biotechnology’ was coined
(iv) , an antibiotic was discovered by Alexander Fleming in 1929.
(c) Write the full form of the following abbreviations : 2x1=2
(i) RAPD Gi) LEA
Q2.(a) Discuss the health benefits of legumes. 5
(b) Name any four crops of legumes in India. Describe any one of them with reference to its morphology and uses. (1+24+2)
Q3.Write the botanical names of any four medicinal plants. Describe the chemical composition and uses of any one. 4434+3=
(10)
Q4.Describe the steps involved in the preparation of black tea.
Q5.Discuss the major practical applications of plant biotechnology.
Q6.Explain various steps involved in molecular cloning with the help of proper labelled diagram.
Q7.Explain CRISPR-Cas9 technology. Enumerate its working and applications.
Q8.Write short notes on any four of the following : 4x2 5 =10
(a) Totipotency
(b) Flavr Saur tomato
(c) Genomic Library
(d) Properties of an ideal vector
(e) Northern blotting technique BBYET-143 4 Gi) WHS,