वह उत्तक जो द्वितीयक वृद्धि के लिए उत्तरदायी है?

Asked Sep 11, 2023 Modified Sep 11, 2023 Viewed 0 times
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asked Sep 11, 2023 at 11:14
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कैम्बियम
answered Sep 11, 2023 at 11:14

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