{"id":12819,"date":"2026-06-19T09:13:36","date_gmt":"2026-06-19T09:13:36","guid":{"rendered":"https:\/\/www.vedprep.com\/exams\/?p=12819"},"modified":"2026-06-19T09:17:41","modified_gmt":"2026-06-19T09:17:41","slug":"plant-growth-regulators","status":"publish","type":"post","link":"https:\/\/www.vedprep.com\/exams\/iit-jam\/plant-growth-regulators\/","title":{"rendered":"Plant growth regulators (Auxin, Gibberellin, Cytokinin): IIT JAM 2027"},"content":{"rendered":"

If you are gearing up for the IIT JAM, you already know that Unit II (Cell and Plant Physiology) is a massive chunk of the syllabus. Plant growth regulators<\/strong>\u2014or PGRs, as we usually call them\u2014are always a hot topic in these exams.<\/span><\/p>\n

At <\/span>VedPrep<\/b>, we know how overwhelming it feels to memorize endless pathways and functions. But honestly, once you see how these chemical messengers work in real life, the concepts stick a lot easier. Let’s break down the big three: Auxins, Gibberellins, and Cytokinins, so you can lock in those exam points without pulling your hair out.<\/span><\/p>\n

Understanding Plant growth regulators (Auxin, Gibberellin, Cytokinin) For IIT JAM<\/b><\/h2>\n

Think of plant growth regulators<\/strong> as the plant\u2019s internal project managers. They are tiny chemical substances produced naturally by the plant to run the whole show, from stretching cells to dividing them and building new organs.<\/span><\/p>\n

The major players you need to master for the IIT JAM<\/strong><\/a> are Auxins, Gibberellins, and Cytokinins. They don’t work in isolation; they constantly talk to each other. For instance, the ratio of auxin to cytokinin decides whether a tissue culture grows roots or shoots. If the balance throws a tantrum, you get abnormal growth. For your prep, focus heavily on how they work together and what happens when one takes over.<\/span><\/p>\n