12th Standard Bio-Botany Model Questions Papers - Tamil Nadu State Board Syllabus PDF Download
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Author: Mukil E Publishing And Solutions Pvt Ltd Publisher: Mukil E Publishing And Solutions Private Limited ISBN: Category : Language Arts & Disciplines Languages : en Pages : 39
Book Description
12th Standard Bio-Botany Model Questions Papers - English Medium - Tamil Nadu State Board - solutions, guide For the first time in Tamil Nadu, Technical books are available as ebooks. Students and Teachers, make use of it.
Author: Mukil E Publishing And Solutions Pvt Ltd Publisher: Mukil E Publishing And Solutions Private Limited ISBN: Category : Language Arts & Disciplines Languages : en Pages : 39
Book Description
12th Standard Bio-Botany Model Questions Papers - English Medium - Tamil Nadu State Board - solutions, guide For the first time in Tamil Nadu, Technical books are available as ebooks. Students and Teachers, make use of it.
Author: CC Ainsworth Publisher: Garland Science ISBN: 1135325669 Category : Science Languages : en Pages : 244
Book Description
Indispensable for all plant biologists, this is a fascinating and thorough examination of those factors which affect the sex determination of plant species, describing all of the main classes of plant with unisexual flowers hermaphrodite, monoecious and
Author: U. Lüttge Publisher: Springer ISBN: 9783540074526 Category : Science Languages : en Pages : 0
Book Description
As plant physiology increased steadily in the latter half of the 19th century, problems of absorption and transport of water and of mineral nutrients and problems of the passage of metabolites from one cell to another were investigated, especially in Germany. JUSTUS VON LIEBIG, who was born in Darmstadt in 1803, founded agricultural chemistry and developed the techniques of mineral nutrition in agricul ture during the 70 years of his life. The discovery of plasmolysis by NAGEL! (1851), the investigation of permeability problems of artificial membranes by TRAUBE (1867) and the classical work on osmosis by PFEFFER (1877) laid the foundations for our understanding of soluble substances and osmosis in cell growth and cell mechanisms. Since living membranes were responsible for controlling both water movement and the substances in solution, "permeability" became a major topic for investigation and speculation. The problems then discussed under that heading included passive permeation by diffusion, Donnan equilibrium adjustments, active transport processes and antagonism between ions. In that era, when organelle isolation by differential centrifugation was unknown and the electron microscope had not been invented, the number of cell membranes, their thickness and their composition, were matters for conjecture. The nature of cell surface membranes was deduced with remarkable accuracy from the reactions of cells to substances in solution. In 1895, OVERTON, in U. S. A. , published the hypothesis that membranes were probably lipid in nature because of the greater penetration by substances with higher fat solubility.
Author: Gregory R. Bock Publisher: John Wiley & Sons ISBN: 0470513667 Category : Science Languages : en Pages : 280
Book Description
This work deals with basic plant physiology and cytology, and addresses the practical exploitation of plants, both as crops and as sources of useful compounds produced as secondary metabolites. Covers problems of commercial exploitation, socio-legal aspects of genetic engineering of crop plants, and of the difficulties of marketing natural compunds produced by cells under artificial conditions.
Author: Muhammad Iqbal Publisher: *Research Studies Press ISBN: Category : Science Languages : en Pages : 272
Book Description
The vascular cambium, a lateral meristem responsible for the radical growth of woody plants, has long been a subject for active research in both temperate and tropical regions. This work provides comprehensive coverage of all aspects of the vascular cambium and represents an up-to-date review of the knowledge accumulated over the last twenty years. Chapters cover origin and development of cambial cells, phenomena of orientation in the cambium, seasonal and environmental influences on cambial activity. There is also a discussion of the evolution of the cambium in geologic time.
Author: Mukil E Publishing And Solutions Pvt Ltd
Author: Mukil E Publishing And Solutions Pvt Ltd
Author: Gregor Mendel
Author: CC Ainsworth
Author: U. Lüttge
Author: Gregory R. Bock
Author: V. N. Naik
Author: Muhammad Iqbal
Author: Annie Ragland
Author: 
Author: Bhāratī Kṛṣṇa Tīrtha