Bissoy.com
Doctors Medicines MCQs Q&A

Explain in detail modification of tap roots for food storage.

4 views

2 Answers

1. Modification of tap root for storage of food: 

a. WTien tap root stores food it becomes swollen, fleshy and also develops definite shape. 

b. Main or primary root is the main storage organ but sometimes hypocotyl part of embryo axis also joins the main root. Secondary roots remain thin. 

c. On the basis of shape, swollen tap roots are classified as Fusiform, Conical and Napiform. 

2. Fusiform root: The fusiform root is swollen in the middle and tapering towards both ends forming spindle shaped structure, e.g. Radish (Raphanus sativus) 

3. Conical root: The conical root is broad at its morphological base and narrows down towards its apex. e.g. Carrot (Daucus car ota)

4. Napiform root: In napiform root, base of root is highly swollen, almost spherical in shape and abruptly narrows down towards its apex. e.g. Beet (Beta vulgaris)

4 views

Modifications of Tap Roots


For Storage of Food: Tap roots of some plants become fleshy due to storage of reserve food. The main root stores extra food whereas secondary roots are thin and are involved in absorption of minerals from the soil. The swollen roots occur in different shapes.

4 views

Related Questions