Flowers which have single ovule in the ovary and are packed into inflorescence are usually pollinated by
Give importance of sexual reproduction in plants.
Advantage of cleistogamy is
Match the following
Column $- I$ | Column $- II$ |
$(1)$ Grasses | $(P)$ Prevent autogamy and geitonogamy |
$(2)$ Hydrilla | $(Q)$ Wind pollination |
$(3)$ Cleistogamous flower | $(R)$ Water pollination |
$(4)$ Papaya | $(S)$ Auto gamy |
The pollination which occurs in one plant is