plant organization

Two or more individuals with identical genetic make up formed from one parent by asexual reproduction are called clones. For example, daughter plants produced by strawberry runners and whole plants produced by tissue culture are clones. Similarly, the individuals formed by..

With world wide awareness about dangers of persisting pesticides in food crops, enormous interest is shown in food grown on organic farming principles. Such food is called organic food . Organic farming is a method of farming wherein synthetic chemical is not used in a..

Two or more individuals with identical genetic make up formed from one parent by asexual reproduction are called clones. For example, daughter plants produced by strawberry runners and whole plants produced by tissue culture are clones. Similarly, the individuals formed by buddi..

The following classification 'telescope' clearly indicates the mechanism behind the classification of the plant kingdom. Eichler in 1883 suggested a system to classify the plant kingdom which is well accepted. He said that the plant kingdom is subdivided into two subki..

Excretion in Plants - In plants, breakdown of substances is much slower than in animals. Hence accumulation of waste is much slower and there are no special organs of excretion. Green plants in darkness or plants that do not contain chlorophyll prod..

All organisms require energy in order to stay alive. Energy is utilised to do the various bodily functions such as breathing, ingesting and digesting food, excreting, reproducing, locomotion, etc. Energy is obtained from food. Thus the process of intake of food is vital for the survival ..

(sugarcane) 80 9. Ophioglossum (Adder’s tongue fern) 1262 In some cases, males have one chromosome less than females. In the round worm Coenorhabditis males and females have 11 and 12 chromosomes respectively. In the cockroach Blatta orientalis males and females have 23 and 24 chromosomes res..

Introduction - Every organism whether plant or animal is unique in itself. There is a wide diversity in the flora (plants) and fauna (animals) in the world. The diversity we see today is the result of 3.5 billion years of organic evolution. During the course ..

Pesticides, detergents, chemical dyes and other industrial chemicals and their waste constitute synthetic organic compounds. When present in water, these chemicals can act as toxic poisons for plants, animals and humans. Such chemicals enter the hydrosphere either by usage, by ..

Summary - Biologists estimate that there are about 30 million species of living organisms inhabiting this biosphere and only a million and half of it have been discovered and described so far. The species of plants and animals identified so far exhibit a great deal of variation ..