NEET BIOLOGY

STRUCTURAL ORGANISTION OF PLANTS AND ANIMALS

ANATOMY OF FLOWERING PLANTS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Interfascicular cambia originate from cells of-
A
Medullary ray
B
Cortex
C
Endodermis
D
Fascicular cambia
Explanation: 

Detailed explanation-1: -Interfascicular cambium is matured from the cells of the medullary rays. In dicot stems, intravascular cambium can be found between the primary xylem and primary phloem. The cells of medullary rays, next to these intrafascicular cambia become meristematic and form the interfascicular cambium.

Detailed explanation-2: -The parenchymatic cells of medullary rays differentiate and become meristematic and form the interfascicular cambium. Interfascicular cambium along with the intrafascicular cambium present between primary xylem and primary phloem forms a continuous ring of vascular cambium.

Detailed explanation-3: -The medullary rays’ cells join the intrafascicular cambium and turn into meristematic tissues to form the interfascicular cambium as a continuous ring of cambium. The pericycle forms the cork carbium or the phellogen. Xylem parenchyma conduct water radially and store food materials.

Detailed explanation-4: -In dicot stem, the cells of cambium present between primary xylem and primary phloem is the intrafascicular cambium. The cells of medullary rays, adjoining these intrafascicular cambium become meristematic and form the interfascicular cambium.

Detailed explanation-5: –Interfascicular cells are derived from the permanent tissue. It originates from the parenchymatous cells after differentiation of the fascicular cambium. Medullary rays are the parenchymatous cells which give rise to interfascicular cambium.

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