$A$ : Geitonogamy helps in maintaining homozygosity and superiority of the race indefinitely.
$R$ : It is functionally, ecologically and genetically cross pollination.
Assertion and Reason both are correct and also correct explanation.
Assertion and Reason both are correct but not explanation of assertion.
Assertion is correct, but Reason is incorrect.
Both Assertion and Reason are incorrect.
Geitonogamy involves
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 |
.............pollination is quite common in grasses
Long silky hairs on cob of maize are