Increasing Crop YieldCarrying out the basic agricultural practices systematically can substantially increase crop yield. Techniques like mixed cultivation and crop rotation can increase crop yield further.Mixed cultivation In this type of cultivation, t…

Nitrogen Fixation and Nitrogen CycleNitrogen fixation is the process by which free atmospheric nitrogen is converted into nitrogen compounds. In nature, nitrogen is fixed during lightning or by nitrogen-fixing bacteria and blue-green algae.Leguminous pla…

Reasons for Loss of BiodiversitySeveral species of plants and animals have become extinct in the last two centuries and there are many that face the threat of extinction. As life on Earth relies on the interactions and interdependencies among different p…

Difference Between Plant Cell and Animal CellAlthough plant and animal cells have the same basic structure, there are certain differences between them. Figures show a plant cell and an animal cell. Plant cellAnimal cell 1. Cell wall is present.1. Cell w…

Main Sources of Air PollutionThe air around us is a mixture of many gases and dust particles. The percentages of the various gases present in air areNitrogen (78.08%)Oxygen (20.95%)Other gases (0.97%)Natural processes and, to a larger extent, human activ…

Different Types Of MicroorganismsOrganisms that are visible only through a microscope are called microorganisms (micro means very small) or microbes.Microorganisms are the most abundant organisms on our planet. They are found almost everywhere—in ice-col…

How to Purify Water – Water Purification ProcessWater supplied in our homes generally comes from rivers and is contaminated with suspended impurities like sand, silt, and clay; soluble impurities like salts; and also microorganisms. Water, therefore, has…

What Is The Conservation Of BiodiversityThe preservation and careful management of plant and animal species in order to prevent their extinction is called conservation. Several steps have been taken by many national and international organizations toward…

Heterotrophic Nutrition – Types Of Heterotrophic Nutrition With ExamplesTypes Of Heterotrophic NutritionHeterotrophic Nutrition: It is a mode of nutrition in which the organisms obtain readymade organic food from outside sources. The organisms that depe…

Classification of Connective TissueConnective Tissue : Connectvie tissues of animals serve the functions of binding and joining one tissue to another (i.e. connecting bones to each other, muscles to bones etc.) forming protective sheath and packing mate…