What is a parthenocarpic fruit?

Name the parts of the pistil which develop into fruit and seeds.

The time lapse between fertilization and seed formation in $Pinus$ is:

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

Which of the following develops into a seed after fertilization?

Assertion: Coconut tree is distributed in coastal areas over a large part of the world.
Reason: Coconut fruit can float and get dispersed over thousands of kilometers before losing viability.