(TN 12th Computer Science English Medium) Online Study, Important Questions with Answer Key, Book back answers and solution, Question Papers, Textbook, Students Guide, Study Material Important questions and answers, Question Paper download, Online Study Material, Lecturing Notes, Assignment, Reference,...
Opuntia. SELF EVALUATION Two marks Write notes an 1. Endothecium 2. Middle layer 3. Tapetum 4. Germpore 5. Megasporangium 6. Anatropous ovule 7. Circinotropous ovule 297 Five Marks 1. Explain the wall layers of a mature anther 2. Explain the structure of a mature pollen grain. 3....