Q.Differentiate with diagramatic representation. Tap root and Adventitious roots.

Step 1. Origin. A tap root develops directly from the radicle of the embryo during germination. Adventitious roots develop from any part of the plant other than the radicle — commonly the base of the stem, but also from nodes or leaves.

Step 2. Form. A tap root system has one dominant primary root with thinner secondary and tertiary branch roots coming off it. An adventitious root system (fibrous root system) instead has a thick cluster of roughly equal, thin roots with no single dominant member.

Step 3. Distribution. Tap root systems are typical of dicotyledonous plants (e.g. Pea, Bean, Sunflower); adventitious/fibrous root systems are typical of monocotyledonous plants, where the short-lived radicle is quickly replaced by this cluster (e.g. Maize, Wheat, Sugarcane). …

Contrast origin (radicle vs non-radicle), form (single dominant root vs equal cluster), and typical plan …

• Reversing which system (tap/adventitious) is typical of dicots versus monocots. …