A) lateral leaflet remains static and middle one oscillate
B) middle leaflet remains static and lateral oscillate simultaneously
C) middle leaflet remains static and lateral oscillate alternately
D) all three leaves oscillate
Correct Answer: B
Solution :
The leaves of Desmodium gyrans (Leguminosae) show autonomous movement of variation. The leaves are trifoliate, when the environmental conditions are favourable the lateral leaflets perform to and fro movement.
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