23 public questions tagged with this topic.
The cortex of dicot roots consists of parenchymatous lls that store food and nutrients. This follows from NCERT principle where relation explains outcome clearly for students.
Ref: NCERT Biology Textbook for Class XI and XII (Botany section), Chapter: Biology - Botany portion covering relevant concept, Topic: Plant structure, physiology and applications.
The epidermis, especially its root hairs, absorbs water and minerals from the soil. This follows from NCERT principle where relation explains outcome clearly for students.
Ref: NCERT Biology Textbook for Class XI and XII (Botany section), Chapter: Biology - Botany portion covering relevant concept, Topic: Plant structure, physiology and applications.
Pneumatophores are specialized roots in mangrove plants that help in gaseous exchange in waterlogged conditions. This follows from NCERT principle where relation explains outcome clearly for students.
Ref: NCERT Biology Textbook for Class XI and XII (Botany section), Chapter: Biology - Botany portion covering relevant concept, Topic: Plant structure, physiology and applications.
The pericycle is responsible for the initiation of lateral roots in dicot and monocot roots. This follows from NCERT principle where the relation explains the outcome clearly for students in simple steps.
Ref: NCERT Biology Textbook for Class XI and XII (Botany section), Chapter: Morphology and Anatomy of Flowering Plants, Topic: Plant structure and tissue systems.
Root system zonation comprises protective root cap covering meristematic zone with dividing initials, rapid elongation zone where cells undergo extensive vacuolar expansion increasing length dramatically, and maturation zone where differentiation completes and specialized cells emerge. Root hairs, tubular tip-growing extensions of specialized trichoblast epidermal cells, arise exclusively in maturation zone after cessation of elongation ensuring stable anchorage and efficient water and mineral nutrient absorption. Specification depends on positional signaling from underlying cortex, transcriptional cascade involving WER, GL3/EGL3, GL2, RHD6, and RSL4 dictating hair versus non-hair epidermal fate decisions.
Ref: Dolan & Davies, Plant Cell Monogr; Gilbert Plant Development: root hairs emerge exclusively in maturation/differentiation zone.
Lateral roots arise from the pericycle, making them endogenous in origin.
Ref: NCERT Class 11 Biology Chapter 6: Anatomy of Flowering Plants Anatomy of Dicot and Monocot Root
The endodermis contains Casparian strips, which regulate the movement of water and minerals into the vascular bundle.
Ref: NCERT Class 11 Biology Chapter 6: Anatomy of Flowering Plants Anatomy of Dicot and Monocot Root
The cortex of dicot roots consists of parenchymatous cells that store food and nutrients.
Ref: NCERT Class 11 Biology Chapter 6: Anatomy of Flowering Plants Anatomy of Dicot and Monocot Root
Endodermis cells contain Casparian strips, which help regulate the movement of water and solutes into the vascular bundle.
Ref: NCERT Class 11 Biology Chapter 6: Anatomy of Flowering Plants Anatomy of Dicot and Monocot Root
The cortex lies between the epidermis and vascular bundle and consists mainly of parenchymatous cells.
Ref: NCERT Class 11 Biology Chapter 6: Anatomy of Flowering Plants Anatomy of Dicot and Monocot Root
The pericycle is responsible for the initiation of lateral roots in dicot and monocot roots.
Ref: NCERT Class 11 Biology Chapter 6: Anatomy of Flowering Plants Anatomy of Dicot and Monocot Root
The epidermis, especially its root hairs, absorbs water and minerals from the soil.
Ref: NCERT Class 11 Biology Chapter 6: Anatomy of Flowering Plants Anatomy of Dicot and Monocot Root
