When the pollen grains are not transferred from anthers to the stigma in flower due to the barrier or fence, it is referred or when some natural barrier exists between androecium and gynoecium to check self pollination, it is known as

Which is the most logical sequence with reference to the life cycle of angiosperms?

a) Germination, endosperm formation, seed dispersal, double fertilization.

b) Pollination, fertilization, seed formation, germination.

c) Cleavage, fertilization, grafting, fruit formation.

d) Maturation, mitosis, differentiation, fertilization.

The given figure $\mathrm{A}$ and $\mathrm{B}$ show female reproductive organs of Papaver and Michelia respectively

Identify the components labelled $\mathrm{A}, \mathrm{B}, \mathrm{C}$ and $\mathrm{D}$ in the given figure from the list I to VIII

I. Micropyle
II. Chalaza
III. Central cell
IV. PEN
V. PEC
VI. Megaspore
VII. Degenerating synergid
VIII. Degenerating antipodal cell

The correct components are

Identify all the four parts $\mathrm{A}, \mathrm{B}, \mathrm{C}$ and $\mathrm{D}$ in the given diagram

Select the right option in which the edible part $(\mathrm{A}, \mathrm{B}, \mathrm{C}$ and $\mathrm{D})$ shown in the figure is correctly identified

In the given figure of strawberry fruit, identify $\mathrm{A}$ and $\mathrm{B}$