BIOLOGY: July 2017

தைராய்டு பிரச்னை :

நம்மில் பலருக்கும் சுலபமாக வந்து விடுகிறது தைராய்டு பிரச்னை .இதனால் பல பிரச்சனைகளை சந்திக்க நேரிடுகிறது. ஆனால் இதிலிருந்து விடுபட, பல இயற்கை வழிகள் உள்ளது

முக்கிய தளங்கள்

Monday, 31 July 2017

+2 Botany - 3. Cell Biology and Genetics

(Structure of RNA and its types )

+2 Botany - 3. Cell Biology and Genetics

( DNA Replication )

+2 Botany - 3. Cell Biology and Genetics

( DNA Structure )

+2 Botany - 3. Cell Biology and Genetics

( Chromosome aberration )

+2 Botany - 3. Cell Biology and Genetics ( Mutation )

+2 Botany - 3. Cell Biology and Genetics ( Linkage and Crossing over / Gene mapping )

3. +2 Cell biology and Genetics : Abnormal chromosome /unusual/ Special types of chromosomes

Cell Biology and Genetics : Chromosomes structure and types upto normal structure

Secondary Growth of Dicot stem

Monocot leaf TS ( Anatomy of Grass leaf)

Dicot leaf TS ( Sunflower leaf internal structure)

Sunday, 30 July 2017

Difference between Monocot and Dicot root

(Anatomical Difference between Monocot root and Dicot root)

Dicot Root TS ( Anatomy of Bean root)

Anatomical differences between Dicot stem and Monocot Stem

Monocot stem TS ( Maize stem internal structure)

Dicot stem TS ( Sunflower stem internal structure)

Plant tissue system

Musaceae - Economic importance

Musaceae family description

Euphorbiaceae - Economic importance

Euphorbiaceae - Ricinus communis

Euphorbiaceae - Family description

Malvaceae - Economic immprantance

Solanaceae - economic immprantance

Solanaceae - Dutura metal

Solanaceae -Family description

Malvaceae family- Hibiscus rosasinensis

Malvaceae family Description

Taxonomy of Angiosperms - Hentham & Hooker Classification

+2 Botany -Taxonomy of Angiosperms ( Up to ICBN)

Plant tissue - Compound tissue ( Xylem ad Phloem)

Plant tissue types - (Upto simple tissue ) Meristamatic tissue and simple tissue

Dicot Leaf Internal structure ( Dicot leaf TS)= Dori Ventral Leaf

Difference between Dicot Root and Monocot Root ( Dicot Root VS Monocot Root )

Monocot Root internal structure ( Monocot Root TS)

Dicot Root internal Structure ( Dicot Root TS)

Saturday, 29 July 2017

Friday, 28 July 2017