LIFE SCIENCE

OBJECTIVE LIFE SCIENCE

DEVELOPMENTAL BIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The thickening of trunks of trees is due to
A
non-meristemic tissue
B
the vascular cambium
C
the solar cambium
D
lack of cambium
Explanation: 

Detailed explanation-1: -The cambium produces new layers of phloem on the outside and of xylem on the inside, thus increasing the diameter of the stem. In woody plants, this process produces wood and shapes the plant into a tree with a thickened trunk.

Detailed explanation-2: -cambium, plural Cambiums, orCambia, in plants, layer of actively dividing cells between xylem (wood) and phloem (bast) tissues that is responsible for the secondary growth of stems and roots (secondary growth occurs after the first season and results in increase in thickness).

Detailed explanation-3: -Cambium: The girth of the stem or root increases due to the presence of ‘Cambium’.

There is 1 question to complete.