alleryFruits ripen faster in a closed box thanks to a gas they release. The gas is:
AKinetin
BZeatin gas
CAuxin gas
DEthylene
Answer & Solution
Correct answer: D. Ethylene
1. Ripening fruit makes large amounts of one PGR.
2. That PGR is a gas.
3. It is ethylene.
_Source: syllabus Biology, Chapter 15, Plant Growth and Development._
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