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Chapters
1: Living World
2: Plant Kingdom
UNIT II : Plant Morphology and Taxonomy of Angiosperm
3: Vegetative Morphology
4: Reproductive Morphology
5: Taxonomy and Systematic Botany
UNIT III : Cell biology and Biomolecules
6: Cell: The Unit of Life
7: Cell Cycle
8: Biomolecules
UNIT IV : Plant Anatomy (Structural Organisation)
9: Tissue and Tissue System
▶ 10: Secondary Growth
UNIT V : Plant Physiology (Functional Organisation)
11: Transport in plants
12: Mineral Nutrition
13: Photosynthesis
14: Respiration
15: Plant Growth and Development
![Samacheer Kalvi solutions for Botany [English] Class 11 TN Board chapter 10 - Secondary Growth - Shaalaa.com](/images/botany-english-class-11-tn-board_6:5f2b1b2038084cf381bfa42c826a928c.jpg "Samacheer Kalvi solutions for Botany [English] Class 11 TN Board chapter 10 - Secondary Growth")
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Solutions for Chapter 10: Secondary Growth
Below listed, you can find solutions for Chapter 10 of Tamil Nadu Board of Secondary Education Samacheer Kalvi for Botany [English] Class 11 TN Board.
Samacheer Kalvi solutions for Botany [English] Class 11 TN Board 10 Secondary Growth Evaluation [Pages 59 - 60]
Consider the following statements.
In spring season vascular cambium:
- is less active
- produces a large number of xylary elements
- forms vessels with wide cavities of these.
(i) is correct but (ii) and (iii) are not correct
(i) is not correct but (ii) and (iii) are correct
(i) and (ii) are correct but (iii) is not correct
(i) and (ii) are not correct but (iii) is correct.
Usually, the monocotyledons do not increase their girth, because ______.
They possess actively dividing cambium
They do not possess actively dividing cambium
Ceases activity of cambium
All are correct
In the diagram of lenticel identify the parts marked as A, B, C, D.
A. phellem, B. Complementary tissue, C. Phelloderm, D. Phellogen.
A. Complementary tissue, B. Phellem, C. Phellogen, D. Phelloderm
A. Phellogen, B. Phellem, C. Phelloderm, D. complementary tissue
A. Phelloderm, B. Phellem, C. Complementary tissue, D. Phellogen
Inner, darker & harder portion of secondary xylem that cannot conduct water in an older dicot stem is called ____________.
Alburnum
Bast
Wood
Duramen
The common bottle cork is a product of ______.
Phellem
Phellogen
Xylem
Vascular cambium
What is the fate of primary xylem in a dicot stem showing extensive secondary growth?
It is retained in the centre of the axis
It gets crushed
may or may not get crushed
It gets surrounded by primary phloem
These questions consist of two statements each printed as Assertion and Reason. While answering these questions you are required to choose any one of the following four responses.
Assertion: Secondary growth in dicot roots occurs with the help of vascular cambium and phellogen.
Reason: Vascular cambium is completely primary in origin.
If both Assertion and Reason are true but the Reason is a correct explanation of the Assertion.
If both Assertion and Reason are true but Reason is not a correct explanation of the Assertion
If Assertion is true but the Reason is false
If both Assertion and Reason are false
These questions consist of two statements each printed as Assertion and Reason. While answering these questions you are required to choose any one of the following four responses.
Assertion: In woody stems the amount of heart wood continue to increase year after Year
Reason: The activity of cambial ring continues uninterrupted
If both Assertion and Reason are true but the Reason is a correct explanation of the Assertion
If both Assertion and Reason are true but Reason is not a correct explanation of the Assertion
If Assertion is true but the Reason is false
If both Assertion and Reason are false
When the plants shed their leaves how do they respire?
What is wood botanically?
In a forest, if the bark of a tree is damaged by the horn of a deer, How will the plant overcome the damage?
Differentiate the wood formed in Pinus from that of Morus.
In which season the vessels of angiosperms are larger in size, why?
Central part of the wood is always dark. Why?
Continuous state of dividing tissue is called meristem. In connection to this, what is the role of lateral meristem?
A timber merchant bought 2 logs of wood from, a forest & named them A & B, The log A was 50 year old & B was 20 years old. Which log of wood will last longer for the merchant? Why?
A cross section of tree trunk contains 60 lighter and 60 darker rings. Determine the age of the tree and justify
A transverse section of the trunk of a tree shows concentric rings which are known as growth rings. How are these rings formed? What are the significance of these rings?
There are many tissues produced outside the vascular cambium in the stem. Explain them
When you go to a timber mart to collect timber for your construction of a new house, how will you select good timber?
Explain artificial seasoning.
Solutions for 10: Secondary Growth
Samacheer Kalvi solutions for Botany [English] Class 11 TN Board chapter 10 - Secondary Growth
Shaalaa.com has the Tamil Nadu Board of Secondary Education Mathematics Botany [English] Class 11 TN Board Tamil Nadu Board of Secondary Education solutions in a manner that help students grasp basic concepts better and faster. The detailed, step-by-step solutions will help you understand the concepts better and clarify any confusion. Samacheer Kalvi solutions for Mathematics Botany [English] Class 11 TN Board Tamil Nadu Board of Secondary Education 10 (Secondary Growth) include all questions with answers and detailed explanations. This will clear students' doubts about questions and improve their application skills while preparing for board exams.
Further, we at Shaalaa.com provide such solutions so students can prepare for written exams. Samacheer Kalvi textbook solutions can be a core help for self-study and provide excellent self-help guidance for students.
Concepts covered in Botany [English] Class 11 TN Board chapter 10 Secondary Growth are Secondary Growth in Dicot Stem, Secondary Growth in Dicot Root, Cambial Variants (Anomalous Secondary Growth), Timber.
Using Samacheer Kalvi Botany [English] Class 11 TN Board solutions Secondary Growth exercise by students is an easy way to prepare for the exams, as they involve solutions arranged chapter-wise and also page-wise. The questions involved in Samacheer Kalvi Solutions are essential questions that can be asked in the final exam. Maximum Tamil Nadu Board of Secondary Education Botany [English] Class 11 TN Board students prefer Samacheer Kalvi Textbook Solutions to score more in exams.
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