Definations / Explanation :

$1.$ chasmogamous

$2.$ Cleistogamous

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Some plants such as viola, oxales and commelina produce flowers which are similar to flowers of other specis with exposed anther and stigma

The flowers which do not open at all are called cleistogamous flowers.

Similar Questions

Geitonogamy is

Progeny produced as a result of cross pollination

Match the columns

Column $I $ Column $II$
$(a)$ Animophili $(1)$ By water
$(b)$ Hydrophili $(2)$ By wind
$(c)$ Zoophili $(3)$ By insects
 $(d)$ Antemophili $(4)$By animals

 

The pollens are released in large numbers to ensure

Characteristics of wind pollinated pollens is, they are