Sub Topic : RhodophyceaeCopy

General Characteristics Commonly known as red algae 🔴 due to the dominance of red pigment (R-phycoerythrin). Mostly marine, with higher concentrations in warmer regions. Can grow in well-lit shallow waters as well as deep ocean waters where light is limited. […]

Topic : BryophytesCopy

General Characteristics Structure of Bryophytes Reproduction in Bryophytes✅ Sexual Reproduction ✅ Sporophyte Stage Ecological & Economic Importance Classification of Bryophytes1️⃣ Liverworts2️⃣ Mosses

Sub Topic : PhaeophyceaeCopy

General Characteristics Commonly known as brown algae. Mostly marine organisms 🌊. Great variation in size & form: Simple branched, filamentous forms (Ectocarpus). Profusely branched giant kelps (can grow up to 100 meters in height!). Pigments & Storage Contain chlorophyll a, […]

Topic : AlgaeCopy

General Characteristics Variability in Form & Size Modes of Reproduction✅ Vegetative Reproduction – By fragmentation, where each fragment grows into a new thallus.✅ Asexual Reproduction – By zoospores (motile, flagellated spores that germinate into new plants).✅ Sexual Reproduction – By fusion of gametes: Economic & Ecological Importance Classification of Algae1️⃣ Chlorophyceae […]

Sub Topic : ChlorophyceaeCopy

General Characteristics Commonly known as green algae. 🌿 Plant body can be unicellular, colonial, or filamentous. Green color due to dominance of chlorophyll a & b. Chloroplasts are well-defined and may have different shapes:✅ Discoid✅ Plate-like✅ Reticulate✅ Cup-shaped✅ Spiral or […]

Topic: Plant Kingdom IntroductionCopy

Introduction Changes in the Understanding of Plantae Major Groups Under Plantae1️⃣ Algae2️⃣ Bryophytes3️⃣ Pteridophytes4️⃣ Gymnosperms5️⃣ Angiosperms 🔹 Evolution of Plant Classification Systems✅ Artificial System – Based on morphological characters like habit, leaf shape, color, etc. (Linnaeus’ system). ✅ Natural Classification System – Based on natural affinities and internal features (ultrastructure, anatomy, embryology, phytochemistry). ✅ Phylogenetic […]

Topic : PrionsCopy

Definition & Discovery Diseases Caused by Prions✅ In Cattle – Bovine Spongiform Encephalopathy (BSE), commonly known as Mad Cow Disease.✅ In Humans – Creutzfeldt-Jakob Disease (CJD).