In this article we will discuss about the transverse sections of petiole of some flowers:- 1. Cucurbita 2. Sunflower 3. Piper Betle 4. Waterlily. 1. Cucurbita: A transverse section through the petiole of Cucurbita shows the following anatomical features (Fig. 5.124): It is wavy in outline having distinct ridges and furrows and a large cavity at the centre. (i) Epidermis: [...]
A typical matured seed of angiosperms consists of two parts: 1. Seed Coat 2. Kernel. 1. Seed Coat: Seed coat is the protective covering of seed, developed from integument of the ovule. It is made up of two layers: i. the outer layer is called testa, which is usually hard and of various appearances (Fig. 2.1), and ii. the inner [...]
Here is an essay on the ‘Families of Monocotyledons’ for class 11 and 12. Find paragraphs, long and short essays on the ‘Families of Monocotyledons’ especially written for school and college students. Families of Monocotyledons Essay Contents: Essay on Orchidaceae (Orchid Family) Essay on Zlngiberaceae (Zinger Family) Essay on Cannaceae (Canna Family) Essay on Musaceae (Banana Family) Essay on Amaryllidaceae [...]