RAS RAS RAJASTHAN PUBLIC SERVICE COMMISSIONPCS Pre GS Paper

EUTROPHICATION AND HARMFUL ALGAL BLOOMS

  Eutrophication is a syndrome of ecosystem, response to the addition of artificial or natural substances such as nitrates and phosphates through fertilizer, sewage, etc that fertilize the aquatic ecosystem. The growth of green algae which we see in the lake surface layer is the physical identification of an Eutrophication. Some algae and blue-green bacteria … Read more

PROFIT & LOSS

Profit and loss   IMPORTANT FACTS Cost Price: The price, at which an article is purchased, is called its cost price, abbreviated as C.P.   Selling Price: The price, at which an article is sold, is called its selling prices, abbreviated as S.P.   Profit or Gain: If S.P. is greater than C.P., the seller is said to have … Read more

Modern concept of Marketing,

MARKETING MANAGEMENT   Marketing Management is a social and managerial process by which individuals or firms obtain what they need or want through creating, offering, exchanging products of value with each others.   CORE CONCEPTS OF MARKETING   NEED/ WANT/ DEMAND:   Need: It is state of deprivation of some basic satisfaction.   Want: Desire … Read more

Wegner’s Continental Drift Theory

    Alfred Wegner was a German Meteorologist in the early 1900s who studied ancient climates. Like most people, the jigsaw puzzle appearance of the Atlantic continental margins caught his attention. He put together the evidence of ancient glaciations and the distribution of fossil to formulate a theory that the continents have moved over the … Read more

Function of Management- Direction

FUNCTIONS OF MANAGEMENT- DIRECTION (Communication,Supervision,Motivation,Leadership) Directing is concerned with instructing, guiding, supervising and inspiring people in the organisation to achieve its objectives. It is the process of telling people what to do and seeing that they do it in the best possiblemanner.   Elements in Directing: The four essential elements in Directing are :   … Read more

Sources of Finance – Short and Long term

SOURCE OF FINANCE     Sources of finance are the most explored area especially for the entrepreneurs about to start a new business. It is perhaps the toughest part of all the efforts. There are various sources of finance classified based on time period, ownership and control, and source of generation of finance.   The … Read more

Harappan art 2500 1800 BC

  • Also known as the bronze age
  • Architecture refers to designing of and construction of buildings where are the sculpture is a three-dimensional work of art
  • In architecture ,various types of materials are used that is a stone , wood, glass, metal  etc .where as sculpture is made of single piece of material.
  • Architecture involves study of engineering And Engineering Mathematics and depends upon measurements, where as sculpture involves creativity and imagination , may not depend on measurements.

I-SEALS

  • Are a square or rectangular or circular or triangular piece of material mainly stone with an average size of 2”x2” .dominantly square seals were found on them ,we find pictographic scripts along with animal Impressions which are yet to be deciphered.
  • Seals are made up of steatite (a river soft stone ) . Evidences of Copper Gold and Ivory seals has also been found in some instances
  • 5 signs or symbols on an average are present on a seal
  • Direction of writing is right to left
  • Seals are decorated with animal motif such as Unicorn bull , rhinoceros ,tiger ,elephant, goat, buffalo, etc (except cow)
  • Inscription of human figure are present on both side of the seals,even in some cases they are present on all 3 sides.

Significance /purpose of seal

  • mainly used as unit of trade and Commerce
  • Also used as amulets for productive and spiritual purpose(mainly Copper),dead bodies found had a hole for wearing them
  • Also used as an educational tool
  • Example Pashupati seals and Unicorn seals

II -Terracotta figures (sculptures)

  • Terracotta are fired baked clay
  • These figures are handmade using punching methods
  • For example mother goddess ,toys cards with wheels, birds and animals etc

III-Bronze sculptures

  • Bronze casting was practised on a wide scale under Harappan art
  • The technique used for Casting is known as “lost wax technique”
  • Under this technique at first wax figures are covered with a coating of clay and allowed to dry. Then it is heated and molten wax is allowed to drain out through a tiny hole at the bottom of the clay cover .the hollow mould is then filled with bronze or any other metal . Once the metal is cooled the clay is removed
  • Evacuations where it was prominent
  1. Kalibangan presently Rajasthan
  2. Daimabad presently Maharashtra
  3. Harappa

Example -Bronze dancing girl

It is a naked girl wearing only ornaments which include bangles , armlets  & necklace the left hand is on the hip. It is made using lost wax technique

Others stone sculpture

  • Bearded priest
  • Male torso (red sandstone)

IV-  POTTERY

  • Red and black pottery(painted pottery)
  • It consists of mainly wheel made wares. Very few are handmade
  • The more common is plain pottery
  • Under red and black pottery red colour was used to paint the background and black colour to draw design of trees, birds, animals, human figures and other geometrical patterns

Uses of pottery

  • For household purpose (storage of water ,food grains )
  • For decoration -miniature vessel used for decoration
  • Used for perforated pottery
  • Large hole at the bottom and small holes all over the wall and was probably used for straining liquor .

V-ORNAMENTS

  • They are made up of a large variety of material ranging from precious metals, gemstones, bone and even baked clay
  • Necklace armlets and finger rings were common and worn by both males and females .while women wore a earings and anklets evidences of dead bodies Burried along with ornaments have also been found.
  • Harrapans were also conscious of fashion ( as different hairstyles ,wearing of a beard etc have been found
  • Cinnabar was used as a Cosmetic lipstick, Face paints and even eyeliner were also known to them.
  • Spinning of cotton and wool was common among Harappan

VI- EXTENSIVE TOWN PLANNING

  • Houses were build of baked bricks, of fixed size.
  • Use of stone and wood in building has also been found
  • The concept of two storied houses were also present
  • Public Bath was a common feature example great bath at Mohenjo Daro ,it had galleries and rooms on all sides.
  • Granaries was another important creation which used to be located in Citadel .there construction was so intelligent that strategic conduct and platform can be found.
  • Drainage system of Harappa was note worthy .there was a temporary cover to drains,underground
  • Roads use to cut at right angles

 

NATIONAL INCOME

National Income The study of National Income is important because of the following reasons: To see the economic development of the country. To assess the developmental objectives. To know the contribution of the various sectors to National Income. Internationally some countries are wealthy, some countries are not wealthy and some countries are in-between. Under such … Read more