Question

Hormone pair required for callus to differentiate are
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Answer 1

Callus is an undifferentiated tissue in plants. According to Skoog and Miller, the differentiation of callus is influenced by the ratio of the growth hormones auxin and cytokinin. A high ratio of auxin (IAA) to cytokinin leads to initiation of roots whereas a low ratio leads to development of shoots. Auxins like IAA, NAA and IBA stimulate regeneration of roots and cytokinins like BAP (benzylaminopurine) and kinetin stimulate regeneration of shoots.

Callus is an undifferentiated tissue in plants. According to Skoog and Miller, the differentiation of callus is influenced by the ratio of the growth hormones auxin and cytokinin. A high ratio of auxin (IAA) to cytokinin leads to initiation of roots whereas a low ratio leads to development of shoots. Auxins like IAA, NAA and IBA stimulate regeneration of roots and cytokinins like BAP (benzylaminopurine) and kinetin stimulate regeneration of shoots.Thus, the correct answer is option D.

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Answer 2

Answer:

Explanation: Callus is an undifferentiated tissue in plants. As indicated by Skoog and Miller, the separation of callus is affected by the ratio of the growth hormones auxin and cytokinin. A high proportion of auxin (IAA) to cytokinin prompts commencement of roots while a low proportion prompts improvement of shoots