Give differences : Male gametophytic stage and Female gametophytic stage
Male gametophytic stage | Female gametophytic stage |
$(1)$ Male gametophytic stage is formed by mitotic division of microspores. | $(1)$ Female gametophytic stage is formed by mitotic division of megaspores |
$(2)$ Pollen tube events is seen. | $(2)$ Ovules are formed. |
$(3)$ Vegetative cell and generative cell are produced from pollen nucleus. | $(3)$ By division of megaspore nucleus 8 nucli and 7 cellular structures are forme |
If stem has $2 n=10$ number of chromosomes than find out
$A$ - number of chromosomes in endosperm
$B$ - number of chromosomes in egg cell
$C$ - number of chromosomes in polar nuclei
Definations / Explanation :
$1.$ Dioecious
$2.$ Non albuminous
Give differences : Microsporogenesis and Megasporogenesis
Name the common function that cotyledons and nucellus perform.
Which of the following is incorrect in angiosperm?