Phyllotaxy

Phyllotaxis is

Read the following matches {:("(i) Alstonia",-,"Whorled phyllotaxy"),("(ii) Calotropis",-,"Opposite and decussatephyllotaxy"),("(iii) Smilax",-,"Parallel venation"),("(iv) China rose",-,"Opposite and super-posedphyllotaxy"),("(v) Sunflower",-, "Spiralphyllotaxy"):} Which of these are correct ?

Study the following statements and select the correct option (A) Buds are present in the axil of leaflets of the compound leaf (B) Pulvinus leaf-base is present in some leguminous plants (C) In Alstonia,the petioles expand,become green and synthesize food (D) Opposite phyllotaxy is seen in guava.

Study the following statements and choose the correct answer : I. Cross -pollinating flowers have exotrose anthers . II. Samara is a type of fleshy fruit. III. Marginal placentation has a monocarpellary , unilocular ovary . IV. Opposite phyllotaxy is seen in guava.

Identify the correct pairing from below . (i) Cassia - lmbricate aestivation (ii) Lady finger - Twisted aestivation (iii) Calotropis - Vexillary aestivation (iv) Lily - Epipetalous stamens (v) Alsotonia - Whorled phyllotaxy (vi) Silk cotton - Pinnately compound leaf