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Biology
Biology

Class 11

NCERT

1

Chapter 1: The Living World

11 questions

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2

Chapter 2: Biological Classification

12 questions

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3

Chapter 3: Plant Kingdom

12 questions

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4

Chapter 4: Animal Kingdom

15 questions

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5

Chapter 5: Morphology of Flowering Plants

15 questions

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6

Chapter 6: Anatomy of Flowering Plants

12 questions

7

Chapter 7: Structural Organization in Animals

14 questions

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8

Chapter 8: Cell: The Unit of Life

14 questions

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9

Chapter 9: Biomolecules

15 questions

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10

Chapter 10: Cell Cycle and Cell Division

16 questions

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11

Chapter 11: Transport in Plants

16 questions

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12

Chapter 12: Mineral Nutrition

10 questions

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13

Chapter 13: Photosysnthesis in Higher Plants

9 questions

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14

Chapter 14: Respiration in Plants

12 questions

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15

Chapter 15: Plant Growth and Development

11 questions

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16

Chapter 16: Digestion and Absorption

15 questions

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17

Chapter 17: Breathing and Exchange of Gases

14 questions

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18

Chapter 18: Body Fluids and Circulation

14 questions

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19

Chapter 19: Excretory Products and their Elimination

12 questions

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20

Chapter 20: Locomotion and Movement

10 questions

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21

Chapter 21: Neural Control and Coordination

12 questions

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22

Chapter 22: Chemical Coordination and Integration

9 questions

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Question
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Solving time: 2 mins

Cork cambium forms tissues that form the cork. Do you agree with this statement? Explain.

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When secondary growth occurs in the dicot stem and root, the epidermal layer gets broken. There is a need to replace the outer epidermal cells for providing protection to the stem and root from infections. Therefore, the cork cambium develops from the cortical region. It is also known as phellogen and is composed of thin-walled rectangular cells. It cuts off cells toward both sides. The cells on the outer side get differentiated into the cork or phellem, while the cells on the inside give rise to the secondary cortex or phelloderm. The cork is impervious to water but allows gaseous exchange through the lenticels. Phellogen, phellem, and phelloderm together constitute the periderm.
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Question Text
Cork cambium forms tissues that form the cork. Do you agree with this statement? Explain.
Updated OnSep 3, 2023
TopicAnatomy of Flowering Plants
SubjectBiology
ClassClass 11
Answer TypeText solution:1 Video solution: 1
Upvotes160
Avg. Video Duration3 min