Sexual Reproduction in Flowering Plants

Sexual reproduction in flowering plants takes place in which specialized structure?

Which of the following is the innermost whorl of a complete flower?

The 'unit' of the corolla is a:

In wind-pollinated flowers, how many ovules are generally present in each ovary?

Which part of the embryo sac contains the two polar nuclei before they fuse?

The gynoecium of Michelia is characterized as:

Wind-pollinated flowers often have a single _______ in each ovary.

The pollen grains in $40\%$ of flowering plants are shed at the _______ stage.

Which structure guides the pollen tube into one of the synergids?

In angiosperms, the endosperm is a ______-fertilization structure.

What is the ploidy level of the nucellus in an angiosperm ovule?

Before triple fusion, the central cell in a mature embryo sac usually contains:

The process of development of an embryo from a zygote is called:

A mature embryo of a dicotyledonous plant has:

Which of the following is common to both monocot and dicot embryo development?

Which of the following plants produces a fruit with thousands of tiny seeds?

Dehydration of the seed helps the plant to:

A mature ovule is known as the:

Which of the following describes the embryos in a polyembryonic Citrus seed?

The term for the development of an embryo from a cell other than the egg within the embryo sac (like a synergid) without fertilization is:

In which process does the maternal sporophytic tissue directly give rise to an embryo?