They are highly helpful for food storage because the taproots have modifications that help them to store food for long time. For storage of food 2. These roots are modified in their structure to perform these special functions. Carry Out Additional Functions Each secondary root subsequently branches into many tertiary roots and rootlets. Tags: Question 6 . These provide very strong anchorage as they are able to reach very deep into the soil. gram, chinarose, neem (Fig. The surface feeder plants have short tap roots. For respiration For storage of food: In this type of modification the tap root becomes swollen and fleshy due to food storage. Adventitious roots grow from other parts of the plant except for the radicle or its branches. It consists of the main taproot (primary, thickest, longest) which branch into second­ary roots. About; Home; Blog; Anonymous Reporting; Safety Program; Safety Ambassador Program The taproot is advantageous in several ways. Modifications of Adventitious Root. SURVEY . SURVEY . In the radish, the taproot store foods and swells. Modifications of tap roots Tap root is developed from radicle and grow towards the soil. Modifications of Roots Storage Root. The persistent primary root is known as tap root. Tap Root System . Length: Roots in the taproot system are longer. It is usually the most prominent, thickest and largest of all. In the tap root system, the primary root differentiates into secondary and tertiary roots. The deep feeder plants have a long net work of tap root system. Several branches arise from the primary root and they are called as secondary roots and the secondary roots further branch to form the tertiary roots. The adventitious roots are modified so as to: 1. taproot system. Many primary root and adventitious root systems have become modified for special functions, the most common being the formation of tuberous (fleshy) roots for food storage. The taproot system is a mass of roots that develops from the radicle of the embryo. Root MCQ (Multiple Choice Questions and Answers) Q1. Modification of roots Roots may be modified to different shapes in order to perform special functions besides their normal functions. It is differentiated into following types: (i) Fusiform: It is a modified tap root. In a plant with a taproot system, the taproot is the central and dominant root. For this, they get modified structur ally / physiologic ally which is known as a modification of root. The taproot system is present in all dicot plants. The adventitious roots are found in monocot plants where the taproot is short-lived. Fusiform: Here the root tapers gradually at both the ends but is swollen in the middle. A tap root system penetrates deep into the soil. fibrous root system. Root modification is found both in tap root and adventitious root. Radish Taproot: A taproot system like in a radish plant has a main root that grows down vertically, from which many smaller lateral roots arise or grow. The plants that have a taproot system are beetroot, carrot, parsnip, parsley, conifers, poison ivy, radishes, dandelions, etc. 6. (credit b: modification of work by “Austen Squarepants”/Flickr) Root Growth and Anatomy Root growth begins with seed germination. Roots are feebly developed by Hydrophytes Mesophytes Xerophytes Halophytes Answer: 1 Q3. Typically a taproot is somewhat straight and very thick, is tapering in shape, and grows directly downward. Some roots store the reserve food material and build the storage root. In some plants, such as the carrot, the taproot is a storage organ so well developed that it has been cultivated as a vegetable.. 2. A tuberous root is an enlarged fleshy root modified as a storage organ (dahlia stores inulin) with shoots produced at one end and roots produced at the other. Tags: Question 7 . Store Food 2. taproot system. Sometimes in addition to the normal functions of absorption, conduction and anchorage roots may perform storage of food materials, mechanical support, and vital functions.