alleryA gardener dips stem cuttings in a powder to make roots grow. The powder holds:
AAbscisic acid
BKinetin salt
CAuxin powder
DEthylene gas
Answer & Solution
Correct answer: C. Auxin powder
1. Auxins start rooting in stem cuttings.
2. This is a standard propagation trick.
3. The rooting powder contains an auxin.
_Source: syllabus Biology, Chapter 15, Plant Growth and Development._
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