Transport in Plants : Transport in Plants - 6

Transport in Plants Lecture - 16 (Phloem transport)

Explained: Phloem transport, Loading & unloading of sugar, Pressure flow mechanism, Role of Turgor pressure

Transport in Plants Lecture - 15 (Mineral absorption)

Explained: Why minerals are required?, Source of mineral ions for plant, Passive mineral absorption, What is Donnan equilibrium?, What is Contact exchange?, Active Mineral absorption, Mineral translocation, Mineral re-mobilization in plants

Transport in Plants lecture- 14 (Mass flow & Others)

Explained: Why en-mass flow required?, Why pressure is needed in mass flow?, Mechanism of Mass flow, Xylem & phloem in mass flow, Transpiration - Multipurpose activity, C4 plants more water efficient as compare to C3, Why C4 plants more water efficient in photosynthesis?

Transpiration - 3

Explained: Scotoactive stomata, Opening of stomata at night, Factors affecting rate of transpiration, Porometer & Potometer, Guttation, Guttation vs. Transpiration, Significance of transpiration, Anti transpirants

Transpiration - 2

Explained: Mechanism of opening of stomata, Why is the shape of guard cell important?, Theories to explain the opening of photoactive stomata, Photosynthetic theory, Permeability hypothesis, Starch - Sugar interconversion theories, Active potassium ion and hormone regulation theory

Transpiration - 1

Explained: Transpiration, Why it is a necessary evil?, Types of Transpiration, Stomata, Guard cells & subsidiary cells, Shape of Guard cells

Ascent of Sap - 2

Explained: Physical theories for Ascent of Sap, Cohesion of water & transpiration pull theory, Why is the most accepted concept?, How transpiration pull plays important role in the ascent of sap?, How water column maintained during Ascent of sap?

Ascent of Sap - 1

Explained: Meaning of Ascent of Sap, Role of Conducting tissues, Ringing experiment, Vital theories, Relay pump hypothesis, Pulsation theory, Root pressure theory

Transport in Plants - 8

Explained: Mechanism of water absorption in Plants, Passive water absorption, Active water absorption, Transpiration pull, Osmotic active absorption mechanism, Non-osmotic absorption mechanism, Factors affecting water absorption

Transport in Plants - 7

Explained: Root hair / Mature region, Forms of water, Water movement direction, Physical forces in water absorption, Role of DPD & Water potential in water flow

Transport in Plants - 6

Explained: Matric potential, Water potential - third component, Imbibition, Imbibition pressure, Three events during Imbibition, Significance of Imbibition

Transport in Plants - 5

Explained: Diffusion Pressure Deficit, DPD of a plasmolysed cell, DPD of a fully turgid cell, DPD in cell to cell water movement, Water potential, Components of Water potential, Why pure water has Zero water potential?

Transport in Plants - 4

Explained: Plant cell as an Osmotic system, Plasmolysis, De-Plasmolysis, Turgidity & flaccidity, Turgor Pressure, Wall pressure, The conditions where TP = 0 & TP = OP

Transport in Plants - 3

Explained: Tonicity & its Osmotic effect, Exosmosis & Endosmosis, Osmoscope & Osmometer, Concept of Osmotic pressure, Concept of Osmotic potential, Factors affecting Osmotic pressure, Osmotic pressure - a colligative property

Transport in Plants - 2

Explained: Facilitated diffusion, Co-transport, Uniport, Symport & antiport, Active transport, Passive transport vs. Active transport, Osmosis, Osmotic water movement

Transport in Plants - 1

Explained: Plant Physiology, Phenomenon of Permeability, Semi-permeability vs. Selective permeability, Membrane behavior, Diffusion & Laws of thermodynamics, Properties of diffusion, Factors affecting diffusion, Diffusion pressure