The plant part which consists of two generations one within the other, is

The cylindrical portion below the cotyledons is ... $A$... that terminates to ...$B$... and tip called ...$C$... $A$, $B$ and $C$ here refers to

Parthenogenesis is a term of

Viability of lupine seed is

Which of the following is not found in maize seed:

Perisprem is found in