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12.Ecosystem
normal
Submerged hydrophytes have commonly dissected leaves for
A
Decreasing surface area
B
Increasing surface area
C
Reducing effect of water currents
D
Increasing number of stomata
Solution
(c)Plants with both submerged and floating or emerged leaves show heterophylly or occurence of more than one type of leaves. The leaves below water are narrow and with cut or dissected margins to reduce effect of water current and leaves which are above water one broader and with entire margins.
Standard 12
Biology
