EVERYDAY SCIENCE

SCIENCE

PLANT KINGDOM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The corn is an underground stem that grows.
A
Horizontally
B
Vertically
C
Above the soil
D
Obliquely
Explanation: 

Detailed explanation-1: -Reason: Corm is a condensed stem which grows vertically under the soil surface. It possesses nodes and internodes and also structures for vegetative reproduction e.g. Gladiolus, Amorphophallus etc.

Detailed explanation-2: -Final answer: A horizontal underground stem is a rhizome. Q.

Detailed explanation-3: -These are the underground parts, which are usually organs of perennation for the plants. Rhizomes are underground stems which grow beneath the surface of soil; they are frequently fleshy and serve as organs of food storage. Sometimes the rhizomes are condensed into solid swollen forms which are then known as corms.

Detailed explanation-4: -Corm is a type of underground modified stem which is spherical, branched, vertically growing with diameter more than length. It bears reduced nodes and internodes.

There is 1 question to complete.