FRACTIONS

Fractions Any unit can be divided into any numbers of equal parts, one or more of this parts is called fraction of that unit. e.g. one-forth (1/4), one-third (1/3), three-seventh (3/7) etc. The lower part indicates the number of equal parts into which the unit is divided, is called denominator. The upper part, which indicates the number of … Read more

Antiquity and stratification of the Vedic literature; Society, economy and religion during Early (Rig-Vedic) period.

Although the Rig Veda deals with devotional work of religious nature, yet it gives a vivid picture of the early Vedic civilization. The Vedic Civilization is best understood from the social life, political organisation, economic life and religious beliefs. The Kula or family was the basic unit of Rig-Vedic society. The Kula was headed by … Read more

Social, Performance and Efficiency Audit

SOCIAL AUDIT “Social auditing is defined as a systematic attempt to identify, analyse, measure (if possible), evaluate, and monitor the effect of an organisation’s operations on society (that is, specific social groups) and on the public well-being.” Social audit as a term was used as far back as the 1950s. In a nutshell, it refers … Read more

Coral Reef and Coral Bleaching

  Coral is actually a living animal. has a symbiotic relationship (each gives something to the other and gets something back in return) With ‘zooxanthellae’ microscopic algae which live on coral [i.e. instead of living on the sea  floor, the algae lives up on the coral which is closer to the ocean surface and so … Read more

Rajasthan : Ancient Civilizations

  Different Ancient Civilizations of Rajasthan are:- Kalibangan Civilizations:-Kalibangan lies along the left bank of the dried-up bed of river Ghaggar (ancient Sarasvati and Drashdwati). Its supposed to be older then 4000 B.C. and was first discovered by Amlanand Ghosh in 1952 AD It comprises of three mounds, the larger one in the middle (KLB-2), … Read more

Tribes :Their history, geographical location,economy  and their customs

  Name Geographical location and populations History and lineage Economic activity Social and Family life   MEENA Constitute about 51.20% of population and concentrated in districts of Jaipur,Dausa,Sawai Madhopur,Rajsamand and Udaipur   Word meena means fish, Chandrabhardai states their origin to the kingdom south of alwar,dausa and bharatpur prior to Rajput rule They are divided … Read more

Aquatic Zones

  Aquatic systems are not called biomes, The major differences between the various aquatic zones are due to salinity, levels  of dissolved nutrients; water temperature, depth of sunlight penetration.   Fresh Water Ecosystem-Fresh water ecosystem are classified as lotic (moving water) or lentic (still or stagnant water).   Marine Ecosystem- Estuaries-Coastal bays, river mouths and … Read more

Environment Pollution: An Introduction

Environment Pollution is  defined as ‘an addition or excessive addition of certain materials to the physical environment (water, air and lands), making it less fit or unfit for life’. Pollutants are the materials or factors, which cause adverse effect on the natural quality of any component of the environment. Classifications According to the form in … Read more

ANIMAL HUSBANDRY  

What is Animal Husbandry   Animal Husbandry is a branch of agriculture, which comprises of controlled cultivation, management, up keeping and production of domestic animals (like cattles, horses, sheeps etc.) which includes improvement in the qualities considered desirable by humans by means of breeding, genetics, behavior and qualities. Animals are domesticated, bred, maintained and raised … Read more

Green Revolution and its impact on major crops of India

  The Green Revolution was initiated in the 1960’s to address the issue of malnutrition in the developing world. The technology of the Green Revolution involved bio-engineered seeds that worked in conjunction with chemical fertilizers and heavy irrigation to increase crop yields. Green Revolution was largely confined in wheat crop and in northern India such … Read more