NEET BIOLOGY

STRUCTURAL ORGANISTION OF PLANTS AND ANIMALS

MORPHOLOGY OF FLOWERING PLANTS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which among the following is not a modified stem for storage purpose?
A
Ginger
B
Zaminkand
C
Turmeric
D
Sweet potato
Explanation: 

Detailed explanation-1: -Thus, corn is not a modified stem.

Detailed explanation-2: -Sweet potato is an example of modified root. The edible part of sweet potato is a modified adventitious root that stores food. Adventitious roots are the roots that grow from parts other than the radicle.

Detailed explanation-3: -Though potato seems to be a root, it is a stem. It is actually a modified stem usually called tuber. As the tubers grow underground, they are connected by small stem sections called stolons.

Detailed explanation-4: -Unlike the potato, which is a tuber, or thickened stem, the sweetpotato that we eat is the storage root of the plant; an enlarged lateral root. The plant reproduces in three ways: from seed, from the actual storage roots, or from the plant vines. Sweetpotato is cultivated by vegetative propagation.

Detailed explanation-5: -Complete answer: Adventitious roots-The roots of the plant like sweet potato are modified to store food and water. It is known as a root tuber.

There is 1 question to complete.