Maharashtra Class 7 Answered
Leaves close at night
Asked by roshankachewar | 21 Nov, 2018, 09:34: AM
Expert Answer
Nyctinasty is the process by which plants close their leaves and their petals at night. The closing of leaves is based on the pumping of ions. Potassium and chloride ions get pumped in and out of different parts of these organs. Because of osmosis, water shunts backwards and forwards and either pops these leaves up or squashes them back down again.
Answered by Sivanand Patnaik | 25 Nov, 2018, 08:32: PM
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