The destruction of $50\%$ of maize plants in the $USA$ in $1970$ was due to an infection by:
- AHemileia vastatrix
- BHelminthosporium maydis
- CClaviceps purpurea
- DUstilago maydis
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Similar Questions
Match the following columns:
Column-$I$ Column-$II$ $(a)$ $Bacillus \text{ } thuringiensis$ $(1)$ $Nematode$ $(b)$ $Meloidogyne \text{ } incognitia$ $(2)$ $Cry \text{ } protein$ $(c)$ $Agrobacterium$ $(3)$ $Genetically \text{ } engineered \text{ } insulin$ $(d)$ $E. \text{ } coli$ $(4)$ $Ti \text{ } plasmid$
| Column-$I$ | Column-$II$ |
| $(a)$ $Bacillus \text{ } thuringiensis$ | $(1)$ $Nematode$ |
| $(b)$ $Meloidogyne \text{ } incognitia$ | $(2)$ $Cry \text{ } protein$ |
| $(c)$ $Agrobacterium$ | $(3)$ $Genetically \text{ } engineered \text{ } insulin$ |
| $(d)$ $E. \text{ } coli$ | $(4)$ $Ti \text{ } plasmid$ |
Medium
View SolutionThe first transgenic plant was tobacco. It contains a resistance gene against which of the following?
Easy
View SolutionCrystals of $Bt$ toxin produced by some bacteria do not kill the bacteria themselves because . . . . . .
The nematode $Meloidogyne \text{ } incognita$ infects the roots of tobacco plants and causes a great reduction in yield.
Easy
View SolutionCotton is protected from bollworm by using the bacterium . . . . . . .
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