Home
Class 12
BIOLOGY
Assertion (A) Secondary growth in dicot ...

Assertion (A) Secondary growth in dicot roots occur with the help of vascular cambium and phellogen.
Reason (R ) Vascular cambium is formed from conjuctive parenchyma and part of pericycle.

A

If both Assertion and Reason are true and Reason is correct explanation of Assertion.

B

If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.

C

If Assertion is true but Reason is false.

D

If both Assertion and Reason and false.

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Similar Questions

Explore conceptually related problems

In a dicot root , vascular cambium is

Secondary growth brought about by vascular cambium in dicots is a type of

During secondary growth in a dicot root, cork cambium is formed by the activity of

$ Secondary growth occurs in those plants which have closed vascular bundles. ! Cork is produced by intrafascicular cambium.

Assertion: In the dicot root the vascualr cambium is completely secondary in roigin Reason: Vascular cambium originates from the tissue located just below the phloem bundles a portion of pericycle tissue above the protoxylem forming a complete and contiuous wavy ring, which later becomes circular

Identify the statements as true (T) or false (F) w.r.t secondary growth in root and choose the correct option. I. Vascular cambium is partially secondary in origin. II. Vascular cambium is formed as continuous and complete but wavy ring. III. Cork cambium arises from cortical cells.

In a dicot root, vascular cambium oriniates from

Identify the correct Statement with respect to secondary growth in dicot roots . a. Vascular cambium arises from the parenchyma. b. This secondary meristem is known as interfascicluar cambium c . The outer layer of pericycle given rise to the phellogen . d. Growth rings are well Marked and distinct .