PHOTOSYNTHESIS
Photosynthesis: Physio chemical process in which plants use light energy to synthesise organic compounds. It is the primary source of food on eartRead More…
Category: Study Material
Reproduction in Organisms
Life Span: Period from birth to natural death of an organism. It doesn’t depend on size. eg. sizes of crow and parrot are similar but life span Read 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…
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…
Microbes in Human Welfare
Microbes are present everywhere- soil, water, air, inside our body .Microbes are diverse – Protozoa, bacteria, fungi and microscopic plants viruses, Read 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…