CBSE Class 10 Answered
WHAT ARE HORMONES? DIFFERENCE BETWEEN PLANT HORMONE AND ANIMAL HORMONE?
Asked by Rashee Soni | 04 May, 2014, 11:54: AM
Expert Answer
Hormones are chemical substances produced within an animal or a plant which act as "chemical messengers" as means of communication among various parts of an organism. They help these parts function in a coordinated way. Hormones control such body activities as growth, development, and reproduction.
(i)Plant hormones are simple organic substances and animal hormones are complex organic substances.
(ii)Plant hormones are transported through xylem, phloem or by diffusion and animal hormones are transported in the blood.
(iii)No specific organs are involved in the synthesis of the plant hormones, whereas animal hormones are always synthesized in endocrine glands.
Answered by Sivanand Patnaik | 04 May, 2014, 03:13: PM
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