Question

3. What is the classification of plants on the basis of their size and structure?
4. How many types of root systems are found in plants?
5. Define the tap root system.
6. What is the role of pollination in diversity?

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Answer 1

Answer:

1. Based on the size, nature of the stem and the life span, plants are classified into herbs, shrubs and trees There is one more category called as creepers and climbers. a) A herb is a non-woody plant that has green and tender stem with few branches on.

2. There are two main types of root systems. Dicots have a tap root system, while monocots have a fibrous root system, which is also known as an adventitious root system. A tap root system has a main root that grows down vertically, from which many smaller lateral roots arise.

3. Taproot, main root of a primary root system, growing vertically downward. Most dicotyledonous plants (see cotyledon), such as dandelions, produce taproots, and some, such as the edible roots of carrots and beets, are specialized for food storage.