Origin and Evolution of Life - 7 Test 28-04-2020 https://docs.google.com/forms/d/e/1FAIpQLSf8byaVpxe0lxn0NkqYDlUc_u4Cif_egIOT5fPdmeTorm4DzA/viewform?usp=sf_link

Origin and Evolution of Life - 6  test 27-04-2020 https://docs.google.com/forms/d/e/1FAIpQLSc8onRrr0PhKT6wcNmxDYL29nORUDhGWPqqpuAg308bjKv47A/viewform?usp=sf_link

Darwinism or Theory of Natural Selection 23-04-2020 https://docs.google.com/presentation/d/e/2PACX-1vSJu8vcBVy3xB6iWFrCq1TXzjE03BbaEC5oJgBVpkRvNPeq1bxzIYHAKqf4WPDrLZYvNxlsXLbEaH7j/pub?start=true&loop=true&delayms=30000 pdf format https://drive.google.com/file/d/1FH-dHIrNG1-6InIlvYWm7RMX31CNIZnA/view?usp=sharing

Darwin's Theory in mp3 format

Theories of Evolution of Life  21-04-2020 Theories of Evolution of Life PPT Link to view click here https://docs.google.com/presentation/d/e/2PACX-1vS7jk3gYDJP6sel2DAYCo96BfnZIoK4TyWgDaM5CSEWoDkclF0_mw8aBSpRGMlStkb3p4q5PPNUpB4l/pub?start=true&loop=true&delayms=30000

Origin and Evolution of Life Test-2 https://docs.google.com/forms/d/e/1FAIpQLScx_48Ccn47-eoeR9yw1vekSXi1bsI0X4bn4A3zV4JKzbflcw/viewform?usp=sf_link

Origin and Evolution of Life Test Link https://forms.gle/UnRgkWwfrpmBFttQA

Origin and Evolution of  Life PPT download link https://docs.google.com/presentation/d/e/2PACX-1vTA24fvMo1G1_K9cexhqjA3Cgr3Xq8rbJ_R15vFUcyF6NoBMcbc2tbASn5hqoAlBUOp_MIQbAU11B-h/pub?start=true&loop=true&delayms=30000

Archaeopteryx

Origin and Evolution life  mp3 format

Origin and Evolution  of  Life PPT https://docs.google.com/presentation/d/e/2PACX-1vRJWhQ-_Zbhmj9KMsydDQR8ew_6hLvvylu3W8-P9XZHHqyuKtslSk8L3bKTKHZOLiwts1J6UxLov_Nq/pub?start=false&loop=true&delayms=30000

12-04-2020 Applied biology ppt  link https://docs.google.com/presentation/d/e/2PACX-1vQKNsf-KdEUCC8wpWWyKod4OBtCdGWlyNbwWiPpea0Y8tAFPl2-rdBUdAq5GgMHlQ/pub?start=true&loop=true&delayms=3000

                                         Reproduction in Plant and Animals - 5 Study the following 4 mark questions 1) Explain the Asexual reproduction 2) Describe the parts of the typical flowers 3) Explain the structure of the ovule with neat labelled  diagram 4) What are the two types of pollination? Enumerate the advantages and      disadvantages of pollination? 5) Explain the structure of human ovary  6) Briefly explain the National Health Programmes

Reproduction in Plants and Animals-4 Two Mark Questions Answers Spectrum School இரண்டு மதிப்பெண் கேள்வி பதில்கள் 1) What are Bulbils? In some plants, the flower bud modifies into globose bulb, which are called as bulbils, When these falls on the ground they grow into new plants.eg. Agave 2) Define Budding Formation of a daughter individual from a small projection, the bud, arising on the parent body is called budding. eg. Yeast 3) What are the 4 whorls of a flower The 4 Whorls of a flower are a) Calyx - consisting of sepals b) Corolla - consisting of petals c) Androecium - consisting of Stamens c) Gynoecium or pistil- consisting of carpels 4) What are the characteristics of wind pollinating flowers? The pollination with the help of wind is called anemophily The anemophilous flowers produce enormous amount of pollengrains. The pollengrains are small, smooth dry and light in weight. The stigmas are comparatively la...

Reproduction in Plants and Animal-3 09-04-2020 Choose the correct answer   (சரியான பதிலை தேர்வுசெய்யவும்) 1) The formation of sperm in male and ovum in female is called ..........................      a) Gametogenesis             b) Organogenesis            c) Phylogenesis 2) Gametes with .........................cells are produced through gametogenesis      a) diploid                              b) haploid                         c) Triploid 3) The anterior portion of sperm has a cap like structure called .....................     a) Chromosome                  b) acrosome                     c) kinetosome 4) ...

Reproduction in Plant and Animals-2 - test https://docs.google.com/forms/d/e/1FAIpQLSc_26oluXXoVVCyP3q9KaExaaDMKrU1lzKMCxnf27Tgo8IdRg/viewform?usp=sf_link

1) Strawberry 2) Asparagus and Sweet Potato 3) bulbils 4) Spirogyra 5) Fission 6) Yeast 7) Regeneration 8) Hydra and planaria 9) Spore Formation 10) Sporangium 11) Flower 12) Thalamus 13) Calyx and Corolla 14) Androecium and Gynoecium 15) Androecium 16) Anther 17) Pollengrains 18) Spherical 19) Exine 20) Vegetative and generative 21) Gynoecium 22) Ovules 23) Nucellus 24) Funiculus 25) Chalaza

To Write test click below link https://forms.gle/KjYX1bXtfHyT7wLq9  Fill in the blanks 1)   In ................... aerial weak stems touch the ground and give off adventitious          roots and buds. 2)    .............................. and ................... plants can be vegetatively propagate through        tuberous roots. 3) In agave, the flower bud modifies into globose bulb which are called ....................... 4) An example for fragmentation is............................................... 5) In .......................... type the parent cell divides into two daughter cells. 6) An example for budding is ........................................... 7) The ability of the lost body parts of an individual organism to give rise to an      whole new organism is called................................ 8) ........................... and ...................