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Question

Plants are generally immune to a wide variety of pathogens. This is due to

A
The genetic constitution of the plant
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B
Resistance genes present in the plant
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C
Conducive environment for growth
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D
Less moisture in the atmosphere
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Solution

The correct option is B Resistance genes present in the plant
Plants are innately immune to a vast majority of bacterial and fungal pathogens. This disease resistance is basically determined by the genetic constitution of the plant. It is conferred by multiple, diverse R genes or resistance genes present in the plant. The R genes confer resistance naturally by various means. Some code for toxins that kill pathogens and some code for antimicrobial proteins.

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