Podcast
Questions and Answers
What is the main gene responsible for resistance against the bollworm complex in the bt cotton varieties?
What is the main gene responsible for resistance against the bollworm complex in the bt cotton varieties?
- Cry I Ac (correct)
- Cry I Ab
- Cry I Ad
- Cry II Ac
In which year was the first generation of bt cotton, known as Bollgourd-1, introduced?
In which year was the first generation of bt cotton, known as Bollgourd-1, introduced?
- 1998
- 1996 (correct)
- 1994
- 2000
Which company collaborated with Mahyco to develop the first generation bt cotton?
Which company collaborated with Mahyco to develop the first generation bt cotton?
- Dow AgroSciences
- BASF
- Monsanto (correct)
- Syngenta
What distinguishes the second generation of bt cotton, Bollgourd-II, from the first generation?
What distinguishes the second generation of bt cotton, Bollgourd-II, from the first generation?
Which of the following statements about the bt cotton varieties is incorrect?
Which of the following statements about the bt cotton varieties is incorrect?
Study Notes
Bt Cotton Overview
- Three varieties of Bt cotton contain the 'cry-I AC' gene, providing resistance against the bollworm complex.
Development Timeline
- The first generation of Bt cotton, named Bollgourd-1, was introduced in 1996.
- Mahyco partnered with Monsanto to create Bollgourd-1 using the Cry-I Ac gene.
Advancements in Bt Cotton
- The second generation of Bt cotton, Bollgourd-II, was developed in 2006.
- Bollgourd-II incorporates both Cry-I Ac and Cry-2 Ab genes, enhancing pest resistance.
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Description
This quiz covers the evolution of Bt cotton, focusing on the development of Bollgourd-1 and Bollgourd-II varieties. It details the role of the Cry-I Ac and Cry-2 Ab genes in providing resistance against bollworm complexes. Test your knowledge on the advancements in agricultural biotechnology related to Bt cotton.
