Kingdom Plantae Lecture 3 Quiz

Angiosperms represent approximately ______ percent of all the known green plants now living

Kingdom Plantae is divided into Bryophytes, Pteridophytes, Gymnosperm, and ______

The ovary itself is usually enclosed in a ______ that contains the male or female reproductive organs or both

A typical seed consists of the following parts: 1. Testa: It is the outer coat of the seed that protects the ______ plant

Roots, stems and leaves are vegetative organs of plants. They do not play a direct role in ______ reproduction

Hilum: Is a scar left by the stalk which attached the ovule to the ovary wall before it became a ______

Cotyledon: this contains high quantities of starch and will provide a source of food for the developing embryo prior to ______

Radicle: This is the embryonic root which will develop into the primary root of the plant. It is usually the first part of the embryo to push its way out of the seed during ______

The roots can be modified to store food. Types of root 1.Taproot System. In majority of the dicotyledonous plants, the direct elongation of the radicle leads to the formation of primary root which grows inside the soil, it bears lateral roots of several orders that are referred to as secondary roots, and this is called the taproot ______

Respiratory roots: They project above the mud and have small openings (lenticels) through which air enters, passing through the soft spongy tissue to the roots beneath the ______