The below mentioned article includes a list of four simple experiments on osmosis. 1. Experiment to demonstrate the osmosis by using sheet of cellophane or goat bladder: Requirements: Beaker, thistle funnel, goat bladder or sheet of cellophane, thread, water and sugar solution. Method: 1. Cover the lower opening of the glass tube with the goat bladder or sheet of cellophane [...]
In this article we will discuss about the wood anatomy of some important plants:- 1. Dalbergia sissoo 2. Eucalyptus 3. Mangifera indica 4. Tectona grandis. Dalbergia sissoo, Eucalyptus, Mangifera indica and Tectona grandis. 1. Dalbergia sissoo (Papilionoideae): (a) Transverse Section of Stem: Wood of Dalbergia sissoo is purplish, diffuse porous with a clear distinction of sapwood and heartwood. Some of [...]
In this article we will discuss about the tests for detection of carbohydrates in plants with the help of experiments. Carbohydrates are the condensation products of polyhydroxyaldehydes or polyhydroxyketones and their derivatives. They contain carbon, hydrogen and oxygen, in which the ratio of hydrogen and oxygen is generally 2: 1. In the living world there are a large number of [...]