What are Environment Friendly DecisionsEnvironment Friendly Decisions Reduce : It is reduction is the use.Preferring articles with less packing.Switching off lights, fans and other gadges not in use.Repairing leaky taps.Turning off taps while brushing t…

Explain Ganga Action PlanGanga Action Plan (GAP) was formulated to reduce pollution load of river Ganga by more than 75%. The plan has been carried out in two phases since 1985. The water quality has been tested from time to time by checking coliform (gr…

Explain Different Methods of Contraception Prevention of pregnancy is called contraception. The techniques used in preventing the occurrence of pregnancy are called contraceptive devices.Mechanical Barrier Methods of Contraception : Condom : It is tubu…

What are the Main Characteristics of the Plant KingdomKingdom : Plantae of Plant Kingdom  Division : Thallophyta (Algae)  The plants in this divisions are commonly called algae. The terms “Algae ” was coined by C. Linnaeus which means ‘sea weeds’. The di…

What is Crop Protection ManagementField crops are affected by a large number of weeds, pestes  disease which cause damage the crops & reduce their productivity.Weeds : Weeds are unwanted plants which complete with main crop for nutrition & reduc…

What are Natural Resources Natural resources Natural resources are nonliving and living components of nature which are being used or have the potential of being used by human beings for meeting their requirements of food, fodder, shelter, clothing, artic…

What is the Function of the Human Nervous SystemControl Control is the power of restrain & regulation by which a process can be started, showed down or stopped.Coordination Coordination is orderly working of different but inter related parts to perfo…

What is the Effect of Air Pollution on the EnvironmentAir pollution has major adverse effects on plants, animals as well as human beings. Harmful gases present in the polluted air make breathing difficult. Air pollution also leads to a lot of lung disea…

What is a VacuoleVacuoles :Vacuoles are storage sacs for solid or liquid contents. Vacuoles are small sized in animal cells while plant cells have very large vacuoles. The central vacuole of some plant cells may occupy 50-90% of the cell volume. Function…

What is Menstrual CycleIf the egg is not fertilized, it lives for one day and is then expelled. This sets in motion which is called menstrual or ovarian cycle. The first menstruation is called menarche. It stops between age 45–50 years. Stoppage of mens…