Functions of plant growth promoters and plant growth inhibitros are given here in a jumbled up manner. Select the option that correctly segregates these functions.
(i) Cell division (ii) Cell enlargement
(iii) Pattern formation (iv) Tropic growth
(v) Flowering (vi) Fruiting
(viii) Seed germination (viii) Response to wounding
(ix) Response to stresses of biotic and abiotic origin
(x) Dormancy

Options

A. `{:("Functions of growth promoters","functions of growth inhibitors"),((i).(ii).(vii).(ix),(ii).(iv).(v).(vi).(viii).(x)):}`
B. `{:("Functions of growth promoters","functions of growth inhibitors"),((viii).(ix).(x),(i).(ii).(iii).(iv).(v).(vi).(vii)):}`
C. `{:("Functions of growth promoters","functions of growth inhibitors"),((i).(ii)(iii).(iv)(v).(vi).(vii),(viii).(ix).(x)):}`
D. `{:("Functions of growth promoters","functions of growth inhibitors"),((i).(ii)(iii).(iv)(v).(vi).(vii).(ix).(x),(viii)):}`

Answer

C

Explanation

Plant Growth Hormones (PGRs) or phytohormones are the organic substances which are synthesied in minute quantities in one part of the plant body and transported to another part where they influence specific physiological process (Went and Thimann, 1937). PGRs are broadly divided into two groups-plant growth promoters and plant growth inhibitirs. Plant growth promoters perform growth promoting activities like cell divisions cell enlargement, pattern formation tropic growth, flowering, fruiting and seed formation. They are three in number viz, auxins gibberellins and cytokinins. plant growth inhibitor have important functions in inducing plant responses to wounding, biotic and abiotic stresses, dormancy and abscission. Abscisic acid is know as plant growth dormancy and abscission. Abscisis acid is known as plant growth inhibitor. Ethylene is largely plant growth inhibitor but is also involved in some growth promotion activities.