Seeds of Orchis are

Why is vivipary an undesirable trait for annual crop plants?

If any part of the flower other than the ovary is involved in the formation of the fruit,it is called a false fruit. Which of the following parts can be involved in such formation?

In castor, the proliferation of the outer integumentary cells at the micropylar region forms a structure known as the caruncle. What is the primary function of this structure?

The fruits and seeds which are either sticky or have different types of outgrowths are capable of undergoing:

What protects the mature embryo in a seed?