Identify the wrong statements in context of heartwood.
It comprises dead elements with highly lignified walls
Organic compounds are deposited in it
It is highly durable
It conducts water and minerals efficiently
Related Questions
Anomolous secondary growth found in dicot root of?
Carrot
Beetroot
Radish
Sweet potato
What is the function of the periderm?
Photosynthesis
Water transport
Protection
Nutrient storage
The age of tree by counting annual rings is called
Dendrochronology
Ageing
Chronology
Countrology
Assertion: The cork cambium produces the secondary xylem and phloem in dicot stems.
Reason: Secondary growth leads to an increase in the girth of the stem.
Choose the correct option:
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
Assertion is correct, but Reason is incorrect
Assertion is incorrect, but Reason is correct
The cork cambium, cork and secondary cortex are collectively called
Phellogen
Periderm
Phellem
Phelloderm
The activity of cambium in plants is under the control of
Many physiological factors
Many environmental factors
Only water availability
Both (a) and (b)
In the following, how the sapwood is converted into heartwood?
By degeneration of protoplast of living cells
Tylosis formation
By deposition of resins, oils, gums, etc
All of the above
Which meristem is responsible for the production of secondary tissues?
Primary meristem
Root apical meristem
Shoot apical meristem
Secondary meristem
Arrange the following tissues from outermost to innermost in a woody dicot stem:
(a) Secondary xylem
(b) Phellem
(c) Secondary phloem
(d) Secondary cortex
(a), (b), (c), (d)
(b), (d), (c), (a)
(d), (b), (a), (c)
(c), (a), (b), (d)
Cork tissue arises from
Periderm
Phellogen
Phelloderm
Phellem
