Photosynthesis in Higher Plants
Green plants carry out ‘photosynthesis’, a physico-chemical process by which they use lightenergy to drive the synthesis of organic compounds. Read More…
Category: XI BIOLOGY (NST)
Structural Organisation in Animals
Hi In unicellular organisms, all functions like digestion, respiration and reproduction are performed by a single cell.Simple organism like Hydra Read More…
Breathing and Exchange Of Gases
oxygen is utilised by the organisms to indirectly break down simple molecules like glucose, amino acids, fatty acids, etc., to derive energy to perfoRead More…
Plant Growth and Development
First step in the process of plant growth is seed germination. Seed germinates when favourable conditions for growth exist in the environment.AbseRead More…
Respiration in Plants
All the energy required for ‘life’ processes is obtained by oxidation of some macromolecules that we call ‘food’. In photosynthesis plaRead More…
Structural Organisation in Animals
Hi In unicellular organisms, all functions like digestion, respiration and reproduction are performed by a single cell.Simple organism like Hydra Read More…
Biomolecules
Biomolecules – All the carbon compounds that we get from living tissues can be called ‘biomolecules’. a small amount of a living tissue (say aRead More…
Cell – The Unit Of Life
All organisms are composed of cells.Unicellular – composed of a single cell and are called unicellular organisms.Multicellular – composed of many cRead More…
Cell Cycle and Cell Division
Growth and reproduction are characteristics of cells. All cells reproduce by dividing into two, with each parental cell giving rise to two daughter cRead More…
ANATOMY OF FLOWERING PLANT
Study of internal structure is called Anatomy. In this Chapter the internal structure and functional organisation of higher plants. The Tissues Read More…