Question

hormones are transported sometimes in a strictly polarised manner ?

plz explain this line .

NCERT pg 176 first para 

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Answer 1

hormones are the chemical substance or growth regulators produced in plants in some specific site transported in very small amounts ,moves sometimes in a strictly polarised manner so that they are synthesized and transported to other parts of the plant which is needed for proper plant growth

Answer 2

Transportation of hormones

Explanation:

• Hormones or plant development controllers and other synthetic boosts are additionally shipped, however in exceptionally limited quantities, now and then in a carefully captivated or unidirectional way from where they are integrated to different parts. Thus, in a blooming plant, there is perplexing traffic of mixes (yet most likely systematic) moving.  
• In established plants, transport of water and minerals is basically unidirectional, from roots to the stems. Be that as it may, the translocation of natural and inorganic (mineral) supplements is multidirectional. Natural mixes are incorporated in the leaves and are traded to every other piece of the plant including capacity organs. From the capacity organs, they are later re-sent out when required. The mineral supplements are gotten by roots and moved upward into the stem, leaves and the developing districts.  
• Supplements might be pulled back from the part experiencing senescence and moved to the developing parts. The plant development controllers and other compound improvements are likewise shipped in extremely modest quantities, either in a strictly polarized unidirectional way (e.g., auxin basipetal, and so on) or diffuse to all parts. Thus, in a blossoming plant, there is perplexing traffic of mixes moving in various ways, every organ accepting a few substances and giving out some others.