The Bt toxin produced by Bacillus thuringiensis in genetically modified Bt cotton primarily kills pests by creating pores in their midgut. This disruption of the gut lining leads to the death of the insect pest.
List-I | List-II |
A. ETS Complex I | I. NADH Dehydrogenase |
B. ETS Complex II | IV. Succinate Dehydrogenase |
C. ETS Complex III | II. Cytochrome bc1 |
D. ETS Complex IV | III. Cytochrome C oxidase |
List-I | List-II |
A. Abscisic acid | I. Promotes female flowers in cucumber |
B. Ethylene | II. Helps seeds to withstand desiccation |
C. Gibberellin | III. Helps in nutrient mobilisation |
D. Cytokinin | IV. Promotes bolting in beet, cabbage etc |
List I | List II | ||
---|---|---|---|
A | Mesozoic Era | I | Lower invertebrates |
B | Proterozoic Era | II | Fish & Amphibia |
C | Cenozoic Era | III | Birds & Reptiles |
D | Paleozoic Era | IV | Mammals |