Botany lecture notes

Pteridospermales PPT (General Characteristics, Classification and Affinities)


Plant Science PPT

Pteridospermales (Cycadofilicales) PPT
(Characteristics, Classification and Affinities of Pteridospermales)

What are Pteridospermales or Cycadofilicales? Geological Horizon / Origin of Pteridospermales, Who Discovered Pteridospermales? What are the Characteristics of Pteridospermales, Morphology of Pteridospermales, Anatomy of Pteridospermales, Reproduction of Pteridospermales, Classification of Pteridospermales, Affinities of Pteridospermales, Examples of Pteridospermales, Similarities between Pteridospermales and Pteridophytes (Ferns), Similarities between Pteridospermales and Cycadales.

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Botany lecture notes

Classification of Gymnosperms PPT (Chamberlain System – 1934)


Plant Science PPT

Classification of Gymnosperms PPT
(Chamberlain System of Classification of Gymnosperms – 1934)

Classification of Gymnosperms, Outline of the history of Classification of Gymnosperms, Chamberlain System of Classification of Gymnosperms, Class Cycadophyt and Coniferophyt, Order Cycadofilicales (Pteridospermales) Cycdeoidales (Bennettitles) and Cycdales, Order Cordaitales, Ginkgoales, Coniferales and Gnetales.

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Secretory Tissue in Plants PPT (Structure, Classification and Examples)


Plant Science PPT

Secretory Tissue System in Plants PPT
(Structure, Classification, Functions and Examples of Secretory Tissues in Plants)

What is Plant Secretion? What are Secretory Tissues? How Plant Secretory System is Classified? Different Types of Secretory Systems in Plants, External vs Internal Secretory System in Plants, Glandular Trichomes, Nectaries and Hydathodes in Plants, Digestive Glands of Drosera, Salt Glands of Mangrove Plants, Colletors, Floral vs Extra-floral Nectaries, Water Stomata, Guttation, Internal Secretory Cells, Idioblasts, Cystoliths vs Raphides, Secretory Ducts and Cavities in Plants, Lysigenous vs Schizogenous Cavities in Plants, Laticifers in Plants, Articulate and Non-articulate Laticifers, Articulate Anastomosing and Articulate Non-anastomosing Laticifers, Chemical Composition of Latex and many more…

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Gymnosperm Characteristics PPT


Plant Science PPT

Gymnosperms General Characters PPT
(General Characteristics, Life Cycle and Reproduction of Gymnosperms PPT)

What are Gymnosperms? Characteristics of Gymnosperms, Morphology of Gymnosperms, Reproduction of Gymnosperms, Anatomy of Gymnosperms, Male Cone and Female Cone, Microsporophyll and Megasporophyll, Microsporangium and Megasporangium, Megaspore and Microspores of Gymnosperms; Male and Female Gametophytes of Gymnosperms, Fertilization, Zygote and Embryo development of Gymnosperms, Life Cycle and Alternation of Generation of Gymnosperms

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Botany lecture notes

Different Types of Steles in Pteridophytes PPT


Plant Science PPT


Stelar Evolution in Pteridophytes PPT
(Types of Steles and its Evolution in Pteridophytes PPT)

What is ‘stele’? Stelar Theory, Components of Stele, Different types of Steles in plants, Protostele: definition, classification and examples, Siphonostele: classification and examples, Solenostele: classification and examples, Stelar evolution in land plants (Pteridophytes).

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