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WorksheetsBt cotton
Total questions: 11
Worksheet time: 6mins
What does bt stand for
Bacillus thuringenesis
Bacil thuringenesis
Bacillus thurindiocese
Bacillus coli
What does cry stand for
Gene
Protein
RNA
Enzyme
What does CRY stand for
Gene
Protein
Enzyme
RNA
What does cry gene form
Thurioside proteins
CRY protein
Both
None
Why does thurioside not kill bacteria or plant
Thurioside is inactive
Thurioside can only work in alkaline medium
It is species specific
All
How does thurioside kill insects
Attaches to Cells of small intestine
Causes lysis of cells
Causes swelling of intestinal cells
All
Which genes kill cotton bollworm
cry 1Ac
cry 2 Ab
Both
None
What genes kill corn borer
cry 1Ac
cry 2 Ab
cry 2 Ac
All
What genes kill corn borer
cry 1Ac
cry 2 Ab
cry 2 Ac
All
Which insects are killed by cry genes
Lepidoptera
Coleoptera
Diptera
All
What kind of protein is thurioside
Insecticidal
Herbicidal
Digestive
All
