Viruses usually infect the whole plant except theA. Stem apexB. Cortex – InterviewSolution

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1.	Viruses usually infect the whole plant except theA. Stem apexB. CortexC. PithD. Phloem
Answer» Correct Answer - A (a) Because in apical tips of shoot apex, a few growth hormones like auxins are formed which check infection of viruses.

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