128 public questions tagged with this topic.
The vascular cambium is a type of lateral meristem responsible for secondary growth, increasing girth (thickness) in dicots.
Ref: NCERT Class 11 Biology Chapter 13: Plant Growth and Development Photoperiodism Vernalisation and Development
In the maturation phase, cells attain their maximal size and develop thickened walls to perform specialized functions.
Ref: NCERT Class 11 Biology Chapter 13: Plant Growth and Development Growth - Phases Differentiation Dedifferentiation Redifferentiation
Phloem fibers are usually dead at maturity and provide mechanical strength to the plant.
Ref: NCERT Class 11 Biology Chapter 6: Anatomy of Flowering Plants Secondary Growth - Dicot Stem Root and Wood
Tracheids are elongated, lignified cells in xylem that provide structural support and facilitate water conduction.
Ref: NCERT Class 11 Biology Chapter 6: Anatomy of Flowering Plants Secondary Growth - Dicot Stem Root and Wood
Companion cells are living cells that help regulate the function of sieve tube elements in transporting organic nutrients.
Ref: NCERT Class 11 Biology Chapter 6: Anatomy of Flowering Plants Secondary Growth - Dicot Stem Root and Wood
Xylem fibers provide mechanical support, while conduction of water is performed by tracheids and vessels.
Ref: NCERT Class 11 Biology Chapter 6: Anatomy of Flowering Plants Secondary Growth - Dicot Stem Root and Wood
The pericycle in dicot roots plays a crucial role in the initiation of lateral roots and secondary growth.
Ref: NCERT Class 11 Biology Chapter 6: Anatomy of Flowering Plants Secondary Growth - Dicot Stem Root and Wood
Intercalary meristem is located at the base of leaves and internodes, not at the tips of roots and shoots.
Ref: NCERT Class 11 Biology Chapter 6: Anatomy of Flowering Plants Secondary Growth - Dicot Stem Root and Wood
Xylem parenchyma consists of living cells that store starch and fats and assist in lateral water conduction.
Ref: NCERT Class 11 Biology Chapter 6: Anatomy of Flowering Plants Secondary Growth - Dicot Stem Root and Wood
Collenchyma cells remain living at maturity and provide flexibility and mechanical support to growing plant parts.
Ref: NCERT Class 11 Biology Chapter 6: Anatomy of Flowering Plants Secondary Growth - Dicot Stem Root and Wood
Mesophyll consists of palisade and spongy parenchyma, both of which contain chloroplasts and perform photosynthesis.
Ref: NCERT Class 11 Biology Chapter 6: Anatomy of Flowering Plants Anatomy of Dorsiventral and Isobilateral Leaf
Dicot leaves have palisade and spongy mesophyll, which are not distinctly differentiated in monocot leaves.
Ref: NCERT Class 11 Biology Chapter 6: Anatomy of Flowering Plants Anatomy of Dorsiventral and Isobilateral Leaf
