CUET Preparation Today
| Assertion: Crops expressing cry genes are resistant to insects. Reason: Cry gene encodes Bt toxin that is toxic to a group of insects. |
Both assertion and reason are true and reason is the correct explanation of assertion
Both assertion and reason are true but reason is not the correct explanation of assertion
Both assertion and reason are false
Assertion is true but reason is false.
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| Both assertion and reason are true and reason is the correct explanation of assertion |
| Bt stands for Bacillus thuringiensis(bacterium). This bacteria produce toxins encoded by Cry gene that kill certain insects. The Cry gene for this toxin has been cloned from bacteria and been expressed in plants to provide resistance to insects |
