Tegmen develops from

The formation of fruit without fertilization is known as:

Which of the following is an example of a seed that contains endosperm,perisperm,and a caruncle?

The development of the zygote takes place outside the body of the female.

In which of the following,the ovule develops into a seed and the ovary develops into a fruit after fertilization?

The seed of $Lupinus \text{ } arcticus$ excavated from Arctic Tundra, germinated and flowered after an estimated record of dormancy of how many years (in $years$)?