Q. Study the following statements and choose the correct option. I.Buds are present in the axil of leaflets of the compound leaf. II.Pulvinus leaf-base is present in some leguminous plants. III.In Alstonia, the petioles expand, become green and synthesize food. IV.Opposite phyllotaxy is seen in guava.
A) II and IV are correct but I and III are wrong
B) I and III are correct but II and IV are wrong
C) I and IV are correct but II and III are wrong
D) II, III and IV are correct but I is wrong
Explanation
In some legumes the leaf base may become swollen, which is called the pulvinions. In opposite phyllotaxy, a pair of leaves arises at each mode and lie opposite to each other as in Calotropic (akon/madar) and guava (Psidium) plants.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.