According to the nature of the stem the plants are often classified into groups:- 1. Herbs 2. Shrubs 3. Trees 4. Trailers 5. Climbers. Group # 1. Herbs: These are the small plants with soft stems having scanty woody tissues. On the basis of duration of life, herbs may be annuals, biennials and perennials. If they grow for only one season [...]
In this article we will discuss about the classification of fruits:- 1. Simple Fruits 2. Aggregate Fruits 3. Multiple Fruits. Group # 1. Simple Fruits: Simple fruits may be dry or fleshy, according to the nature of the pericarp. Some dry fruits burst automatically to liberate the seeds. They are called dehiscent; others which do not dehisce are indehiscent fruits. [...]
In this article we will discuss about:- 1. Meaning of Cross-Pollination 2. Advantages and Disadvantages of Cross-Pollination 3. Adaptations. Meaning of Cross-Pollination: If pollen grains are carried to the stigma of a flower of the same species growing on a different plant, it is cross-pollination. All unisexual flowers are cross-pollinated and even the bisexual flowers which, in fact, form the [...]