Which of the following plant does not exhibit a modified tap root?
Carrot
Sweet potato
Turnip
Radish
Name the body part modified for food storage in the following
(a) Carrot ............... (b) Colocasia.............
(c) Sweet potato ............ (d) Asparagus............
(e) Radish......... (f) Potato..........
(g) Dahlia........... (h) Turmeric...........
(i) Gladiolus......... (j) Ginger..................
(k) Portulaca........
Why are radishes, carrots, beetroots, and sweet potatoes thick, fleshy and bulging? Which part of the plant do they form?