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Question Question 2(i)
Name the following.
(a) General name of chemical substances which bring about control and coordination in plants.
(b) The kind of lens required to correct myopia.
(c) The prime source of chlorofluorocarbon is
(d) The chromatin material is formed of
(e) A pollutant which is mainly responsible for causing acid rain.
(a) Phytohormone
(b) Concave lens
(c) Refrigerant
(d) DNA and histone protein
(e) Sulphur dioxide (SO2)