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Earn 100
Is phelloderm formed by de differentiation?
Important Questions on Plant Tissue and Anatomy
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Which of the following are the part of the Periderm?
I. Duramen
II. Phellogen
III. Phellem
IV. Phelloderm
V. Alburnum
The correct answer is
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Formation of interfascicular cambium and cork cambium from parenchyma is phenomenon of
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Secondary xylem and phloem in dicot stem are produced by
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What is the difference between phellem and phelloderm.
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Read the different components from (i) to (iv) in the list given below and tell the correct order of the components with reference to their arrangement from the outer side to the inner side in a woody dicot stem :
(i) Secondary cortex
(ii) Wood
(iii) Secondary phloem
(iv) Phellem
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Which among the following is not dedifferentiated?
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Plants having little or no secondary growth are
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The vascular cambium normally gives rise to
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Identify the correct statements:
A. Lenticels are the lens-shaped openings permitting the exchange of gases.
B. Bark formed early in the season is called hard bark.
C. Bark is a technical term that refers to all tissues exterior to vascular cambium.
D. Bark refers to periderm and secondary phloem.
E. Phellogen is single-layered in thickness.
Choose the correct answer from the options given below:
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Label the parts of the Lenticel structure shown in the figure ?
HARD
Match column I with column II and select the correct answer.
| Column I | Column II | ||
| A. | Phellem | 1. | Starch sheath |
| B. | Phellogen | 2. | Cork |
| C. | Secondary cortex | 3. | Cork-cambium |
| D. | Endodermis | 4. | Phelloderm |
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Which of the following options correctly shows the sequence of different tissues of the periderm starting from periphery?
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Quinine is obtained from Bark of
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Cork cambium forms tissues that form the cork. Do you agree with this statement? Explain.
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Which of the following is not a part of bark?
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Bark includes all but not
HARD
Student found a wooden stopper in lab. He was told by an old lab attendant that it is there for many years. He kept thinking how it did not rot?
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Which of the following is a collective term used for phelloderm (secondary cortex), cork cambium (phellogen) and cork (phellem)?
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Periderm is produced by
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Represent the union of two sets by Venn diagram for each of the following.
is a prime number between and
is an odd number between and
