Arrange correct pair
Column $-I$ | Column $-II$ |
$(1)$ Pollination by water | $(a)$ Grass |
$(2)$ Pollination by wind | $(b)$ free-nuclear endosperm |
$(3)$ coconut water | $(c)$ Guava |
$(4)$ Fleshy fruit | $(d)$ Hydrilla |
$(e)$ cellular endosperm |
$(1-c),(2-b),(3-a),(4-e) $
$(1-d),(2-a),(3-b),(4-c) $
$ (1-d),(2-a),(3-e),(4-b) $
$ (1-d),(2-c),(3-b),(4-a) $
Product of sexual reproduction generally generates
Give differences: Microsporangium and Megasporangium
Which of the following is incorrect in angiosperm?
$A$ -Endosperm is formed by primary endosperm cell.
$R$- Embryo is formed from zygote.
Choose correct options
- Autogamy is genetically xenogamy
- Pollination occurs by air in grass
- Placenta is arranged in inner wall of ovary
- It is possible to store pollen grains in liquid nitrogen - $100^oC$