10 Questions
What is the main function of Bt toxin genes in plants?
To confer resistance to certain insects
What is the mode of action of Bt Cry toxins?
They have to be ingested by the susceptible insect to cause mortality
What is the role of crystal proteins (Cry toxins) in Bt strains?
They become active after being ingested by susceptible insects
What is the diversity of δ-endotoxins encoding genes in Bt strains?
There are more than 100 crystal protein encoding genes
Which orders of insects are most susceptible to Bt toxins?
Lepidoptera, Coleoptera, Hymenoptera, Diptera, and Nematoda
What is the main function of Bt toxin genes in plants?
To confer resistance against insect pests
What is the mode of action of Bt Cry toxins?
They have to be ingested by the susceptible insect to cause mortality
Which orders of insects are most susceptible to Bt toxins?
Lepidoptera, Coleoptera, Hymenoptera, Diptera, and Nematoda
What is the role of crystal proteins (Cry toxins) in Bt strains?
To act as insecticidal proteins when ingested by susceptible insects
What is the diversity of δ-endotoxins encoding genes in Bt strains?
More than 100 crystal protein encoding genes
Test your knowledge of genetic engineering in plants for resistance to biotic stresses with this quiz. Explore topics such as insect resistance, viral resistance, and fungal and bacterial disease resistance. Learn about resistance genes from microorganisms, including the Bt toxin gene from Bacillus thuringiensis.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
