Hot DESERT ECOSYSTEM  

Deserts are formed in regions with less than 25 cm of annual rainfall, .or sometimes in hot regions where there is more rainfall, but unevenly distributed in the annual cycle. Lack’ of rain in the mid latitude is often due to stable high pressure zones; deserts in temperate regions often lie in “rain shadows”, that … Read more Hot DESERT ECOSYSTEM  

GRASSLAND ECOSYTEM

  found where rainfall is about 25-75 cm per year, not enough to support a forest, but more than that of a true desert. vegetation formations that are generally found in temperate climates. In India, they are found mainly in the high Himalayas. The rest of India’s grasslands are mainly composed of steppes and savannas. … Read more GRASSLAND ECOSYTEM

INDIAN FOREST TYPES

  Forest types in India are classified by Champion and Seth into sixteen types.   Tropical Wet evergreen forests are found along the Western Ghats, the Nicobar and Andaman Islands and all  along the north-eastern region. It is characterized by tall, straight evergreen trees. The trees in this forest form a tier pattern: Beautiful fern … Read more INDIAN FOREST TYPES

FOREST ECOSYSTEM

Forest ecosystem includes a complex assemblage of different kinds of biotic communities. Optimum conditions such as temperature and ground moisture are responsible for the establishment of forest communities. Forests may be evergreen or deciduous which are distinguished on the basis of leaf into broad-leafed or needle leafed coniferous forests in the case of temperate areas. … Read more FOREST ECOSYSTEM

SUCCESSION

  a universal process of directional change in vegetation, on an ecological time scale. occurs when a series of communities replace one another due to large scale destruction either natural or manmade. continously -one community replacing another community, until a stable, mature community develops. The first plant to colonise an area is called the pioneer … Read more SUCCESSION

 BIOGEOCHEMICAL CYCLE

The elements or mineral nutrients are always in circulation moving from non-living to living and then back to the non-living components of the ecosystem in a more or less circular fashion. This circular fashion is known as biogeochemical cycling (bio for living; geo for atmosphere). Nutrient Cycling: The nutrient cycle is a concept that describes … Read more  BIOGEOCHEMICAL CYCLE

BIOTIC INTERACTION

  The interaction between the organisms is fundamental for its survival and functioning of ecosystem as a whole. Type of Biotic Interaction Mutualism: both species benefit. Example: in pollination mutualisms, the pollinator gets food (pollen, nectar), and the plant has its pollen transferred to other flowers for cross-fertilization (reproduction).   Commensalism: one species benefits, the … Read more BIOTIC INTERACTION

POLLUTANTS AND TROPHIC LEVEL

  Movement of these pollutants involves two main processes:   Bioaccumulation refers to how pollutants enter a food chain. there is an increase in concentration of a pollutant from the environment to the first organism in a food chain.   Biomagnification refers to the tendency of pollutants to concentrate as they move from one trophic … Read more POLLUTANTS AND TROPHIC LEVEL

FUNCTIONS OF AN ECOSYSTEM

  ENERGY FLOW- Energy is the basic force responsible for all metabolic activities. The flow of energy from producer to top consumers is called energy flow  which is unidirectional. Energy flows through the trophic levels: from producers to subsequent trophic levels. There is a loss of some energy in the form of unusable heat at … Read more FUNCTIONS OF AN ECOSYSTEM

Biosphere

Biosphere is a part of the earth where life can exist. represents a highly integrated and interacting zone comprising of atmosphere (air), hydrosphere (water) and lithosphere (land) Life in the biosphere is abundant between 200 metres (660 feet) below the surface of the ocean and about 6,000 metres (20,000 feet) above sea level. absent at … Read more Biosphere

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 Aquatic Zones

Biomes and Its types

Biome The terrestrial part of the biosphere is divisible into enormous regions called biomes, which are characterized, by climate, vegetation, animal life and general soil type. No two biomes are alike. The most important climatic factors are temperature and precipitation. Tundra- Northern most region  adjoining the ice bound  poles. Devoid of trees except stunted shrubs … Read more Biomes and Its types

Niche

  Niche:- a  description  of  all  the  biological,  physical  and  chemical  factors  that  a  species needs to survive, stay healthy and reproduce. No two species have exact identical niches. Niche plays an important role in conservation of organisms. Types of Niche Habitat niche – where it lives Food niche – what is eats or decomposes … Read more Niche

Classification of Eco-system

  Natural Ecosystem- Terrestrial- Forests, Grasslands, Deserts Aquatic- Fresh Waters, Saline Waters, Marine Waters Ecotone :- a zone of junction between two or more diverse ecosystems. For e.g. the mangrove forests represent an ecotone between marine and terrestrial ecosystem. Characteristics of Ecotone It may be very narrow or quite wide. It has the conditions intermediate … Read more Classification of Eco-system

Components of Ecosystem

  The components of the ecosystem is categorised into abiotic of non-living and biotic of living components. Both the components of ecosystem and environment are same.   Abiotic Components the inorganic and non-living parts of the world.  consists of soil, water, air, and light energy etc.  involves a ,large number of chemicals like oxygen, nitrogen-, … Read more Components of Ecosystem

ECOLOGY- An Introduction

    Ecology is  defined “as a scientific study of the relationship of the living organisms with each other and with their environment.” The classical texts of the Vedic period such as the Vedas, the Samhitas, the Brahmanas and the Aranyakas-Upanishads contain many references to ecological concepts .The Indian treatise on medicine, the Caraka- Samhita … Read more ECOLOGY- An Introduction

Cultural Achievements of the Pallavas

Civilization and Culture of the Pallavas The Pallava rule formed a golden epoch in the cultural history of south India. The period under the Pallavas was marked by considerable literary activities and cultural revival. The Pallavas warmly patronized Sanskrit language and most of the literary records of the time were composed in that language. Due … Read more Cultural Achievements of the Pallavas

The Cholas: Maritime activities in Sourth-east Asian counturies. Chola administration, art & architecture.

The founder of the Chola Empire was Vijayalaya, who was first feudatory of the Pallavas of Kanchi. He captured Tanjore in 850 A.D. He established a temple of goddess Nishumbhasudini (Durga) there. Aditya I succeeded Vijayalaya. Aditya helped his overlord the Pallava king Aparajita against the Pandyas but soon defeated him and annexed the whole … Read more The Cholas: Maritime activities in Sourth-east Asian counturies. Chola administration, art & architecture.

Harsha-Vardhan : The last great Hindu ruler of Northern India; cultural achievements during his period.

Emperor Harshavardhana, better known as Harsha, lived from 590 to 647 CE and was the third ruler of the Vardhana Empire, the last great empire in ancient India before the Islamic Invasion. He ruled from 606 CE to 647 CE. After Harshavardhana’s death, however, the Vardhana dynasty came to an end and its empire dissolved. India, the land beyond the … Read more Harsha-Vardhan : The last great Hindu ruler of Northern India; cultural achievements during his period.

The Guptas : Extent of empire; development of language and Literature, art St architecture during the Gupta period.

The Gupta Empire stretched across northern, central and parts of southern India between c. 320 and 550 CE. The period is noted for its achievements in the arts, architecture, sciences, religion, and philosophy. Chandragupta I (320 – 335 CE) started a rapid expansion of the Gupta Empire and soon established himself as the first sovereign ruler of the empire. It marked the end of 500 hundred … Read more The Guptas : Extent of empire; development of language and Literature, art St architecture during the Gupta period.

The Kushanas : Kanishka : Extent of empire, His religious policy; Development of Art, Architecture and Letters during the Kushana period

The Kushanas: Short introduction In the early 2nd century BC, a tribe on the Central Asian frontier of China called Hsiung-nu defeated a neighboring one known as Yueh-chih. After more conflict, the survivors of the Yueh-chih were dislocated west, passing down the Ili river valley and along the southern shore of lake Issyk Kul. This … Read more The Kushanas : Kanishka : Extent of empire, His religious policy; Development of Art, Architecture and Letters during the Kushana period

The Mauryas : Extent of empire, Kalinga War and its Impact; Asoka’s Dhamma, Foreign Policy, Development of Art & Architecture during the Mauryan period

  Foundation of the Mauryan Empire: The foundation of the Maurya Empire in 321 B.C. by Chandragupta Maurya was a unique event in history. Particularly in view of the fact that it was found shortly after Alexander’s victorious campaigns in North-West India during 327 B.C. – 325 B.C. There is no unanimity with regard to … Read more The Mauryas : Extent of empire, Kalinga War and its Impact; Asoka’s Dhamma, Foreign Policy, Development of Art & Architecture during the Mauryan period

The Rise of the Magadhan empire

  In the sixth country B.C. North India was divided into sixteen kingdoms out of which Avanti, Vatsa, Kosala and Magadha rose into prominence by aggrandizing upon other weaker states.These four states involved themselves in internecine quarrel in which Magadha emerged as the most powerful state and acquired mastery in the political domain of India. … Read more The Rise of the Magadhan empire

The Lichavi and their republican constitution

The History of Licchavis The Lichchhavis (also Lichchavi, Licchavi) were an important member of the Vajjian confederacy. The early Indian traditions describe the Lichchhavis as Kshatriyas. Scholars reject the theory of foreign origin of the Lichchhavis on the strength of these traditions. But they were degraded to the status of fallen Kshatriyas due to their … Read more The Lichavi and their republican constitution

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

Origin of the Aryans

    The Aryans came to India in several waves. The earliest wave is represented by the Rig Vedic people who appeared in the subcontinent in about 1500 BC. They came into conflict with the indigenous inhabitants called the Dravidians mentioned as Dasa or Dasyus in Rig Veda. The Rig Veda mentions the defeat of … Read more Origin of the Aryans

Important Ancient Terms for JPSC (Jharkhand) Prelims and Mains Examination

Lohit Ayas Copper Syam Ayas Iron Vanik Traders Gramini Village Head Bhagadugha Tax collector Sthapati Chief Judge Takshan Carpenter Niska Unit of currency Satamana Unit of currency Pana Term used for coin Shresthi Guilds Vihara Buddhist Monastery Chaitya Sacred Enclosure Pradeshika Head of district Administration Nagarka City administration Jesthaka Chief of a Guild Prathamakulika Chief … Read more Important Ancient Terms for JPSC (Jharkhand) Prelims and Mains Examination

Important Ancient Terms

Lohit Ayas Copper Syam Ayas Iron Vanik Traders Gramini Village Head Bhagadugha Tax collector Sthapati Chief Judge Takshan Carpenter Niska Unit of currency Satamana Unit of currency Pana Term used for coin Shresthi Guilds Vihara Buddhist Monastery Chaitya Sacred Enclosure Pradeshika Head of district Administration Nagarka City administration Jesthaka Chief of a Guild Prathamakulika Chief … Read more Important Ancient Terms

Major Monuments of Ancient Period for JPSC (Jharkhand) Prelims and Mains Examination

  1.   Udaygiri Caves     During Chandragupta’s reign at Vidisha, M.P.     2.   Angorwatt Temples     Suryavarman Ii     3.   Vikramashila University     Pala King Dharampala     4.   Kailash Temple (Ellora)     Rashtrakuta king Krishna I     5.   Dilwara Temple     … Read more Major Monuments of Ancient Period for JPSC (Jharkhand) Prelims and Mains Examination

Major Monuments of Ancient Period

1. Udaygiri Caves During Chandragupta’s reign at Vidisha, M.P. 2. Angorwatt Temples Suryavarman Ii 3. Vikramashila University Pala King Dharampala 4. Kailash Temple (Ellora) Rashtrakuta king Krishna I 5. Dilwara Temple Tejapala 6. Rathas of Mamallapuram Mahendravarman I (Pallava King) 7. Khajuraho temples Chandelas 8. Martanda temple (Kashmir) Lalitaditya Muktapida 9. Gommateswara  (Son of Rishabnath) … Read more Major Monuments of Ancient Period

Different Forms of Marriage Practiced in Ancient India for JPSC (Jharkhand) Prelims and Mains Examination

1.   Brahma     Duly dowered girl to a man of the same class 2.   Daiva     Father gives daughter to a sacrificial priest as a part of his fee 3.   Arsa       A token bride price of a cow & a bull is given in place of the … Read more Different Forms of Marriage Practiced in Ancient India for JPSC (Jharkhand) Prelims and Mains Examination

Different Forms of Marriage Practiced in Ancient India

1. Brahma Duly dowered girl to a man of the same class 2. Daiva Father gives daughter to a sacrificial priest as a part of his fee 3. Arsa A token bride price of a cow & a bull is given in place of the dowry 4. Prajapatya Father gives girl without dowry & without … Read more Different Forms of Marriage Practiced in Ancient India

Different Schools of Indian Philosophy

          Nastika Shools of Indian System of Philosophy   Charvaka   Believes only in materialism. No life beyond death, no soul no god. Jaina     The names of two tirthankaras, Rishabhanath & Aristhanemia finds mention in Rig Veda. 540 BC   Twenty third was Parsva, son of Ishvaku king Asvasena. … Read more Different Schools of Indian Philosophy

Different Schools of Indian Philosophy

          Nastika Shools of Indian System of Philosophy   Charvaka   Believes only in materialism. No life beyond death, no soul no god. Jaina     The names of two tirthankaras, Rishabhanath & Aristhanemia finds mention in Rig Veda. 540 BC   Twenty third was Parsva, son of Ishvaku king Asvasena. … Read more Different Schools of Indian Philosophy

Buddhist Councils

I Buddhist Council 500 BC at Ajatsataru . Record the Buddha’s sayings (sutra) and codify Rajgaha Presided by monastic rules (vinaya). Rajgaha is today’s Mahakasyapa Rajgir II Buddhist Council 383 BC at Kalasoka The conservative schools insisted on monastic Vaishali rules (vinaya). The secessionist Mahasangikas argued for more relaxed monastic rules.Rejection of the Mahasanghikas III … Read more Buddhist Councils

Buddhist Councils for JPSC (Jharkhand) Prelims and Mains Examination

I Buddhist Council   500 BC at   Ajatsataru .   Record the Buddha’s sayings (sutra) and codify     Rajgaha   Presided by   monastic rules (vinaya). Rajgaha is today’s         Mahakasyapa   Rajgir II Buddhist Council   383 BC at   Kalasoka   The conservative schools insisted on monastic   … Read more Buddhist Councils for JPSC (Jharkhand) Prelims and Mains Examination

Famous Inscriptions

  Inscription King Aspect Junagarh Rock Rudradaman (Saka) Sanskrit. Says that a dam on the sudarshana lake was constructed by Pushyagupta a governor of Chandragupta Maurya Allahabad Pillar Samudragupta Sanskrit. Composed by Harisena Aihole Inscription Pulakeshin II Mentions Harsha defeat by Pulakeshin II. Composed by Ravikriti Vishnuvardan son of King. Gwalior Inscription Bhoja Most famous … Read more Famous Inscriptions

Famous Inscriptions for JPSC (Jharkhand) Prelims and Mains Examination

  Inscription King     Aspect Junagarh Rock Rudradaman (Saka)   Sanskrit. Says that a dam on the sudarshana lake             was constructed by Pushyagupta a governor of             Chandragupta Maurya Allahabad Pillar Samudragupta   Sanskrit. Composed by Harisena Aihole Inscription Pulakeshin II   Mentions … Read more Famous Inscriptions for JPSC (Jharkhand) Prelims and Mains Examination

Indian Religious Books

  Puranas Divided into sarga, pratisarga, manvantantar, vamsa (genealogical list of kings) & vamsanucharita. 18 main puranas & 18 subsidiary puranas. Vedas Meaning “knowledge”. Rigveda (hymns), Yajurveda (sacrificial formulae), Atharvaveda (magical charms & spell), Samveda. Vedas are called aparusheya (not created by man) & nity Upanishads About 200 in number. Deal with philosophy. Oldest & … Read more Indian Religious Books

Indian Religious Books for JPSC (Jharkhand) Prelims and Mains Examination

  Puranas Divided into sarga, pratisarga, manvantantar, vamsa (genealogical list of kings) & vamsanucharita. 18 main puranas & 18 subsidiary puranas. Vedas Meaning “knowledge”. Rigveda (hymns), Yajurveda (sacrificial formulae), Atharvaveda (magical charms & spell), Samveda. Vedas are called aparusheya (not created by man) & nity Upanishads About 200 in number. Deal with philosophy. Oldest & … Read more Indian Religious Books for JPSC (Jharkhand) Prelims and Mains Examination

Jharkhand: Influence of Arayans and British over Tribal Culture

The kingship system was resisted by the Adivasis. The Hos resisted the malgujari. and so too did the Santhals and the Mundas. This resistance became more prominent during the British rule in India which resulted in the Chotanagpur Tenancy Act, the Santhal Parganas Tenancy Act, and the Wilkinson Rule. These rules and Acts recognised the … Read more Jharkhand: Influence of Arayans and British over Tribal Culture

Jharkhand: The Parha and the Manki Mundua system. 

This was the basis of the social union among the Adivasis in Jharkhand. Kingship developed amongst the Adivasis as a result of the necessity to protect their natural and livelihood resources from alien predations and to pay taxes to more powerful emperors. The kings would appoint someone from amongst their kin to be an agent … Read more Jharkhand: The Parha and the Manki Mundua system. 

Jharkhand :An Historical Introduction

Jharkhand which came into being on 15 November 2000 as the 28th State of The Union is the homeland of the tribal’s for which they had been dreaming for Centuries. According to legend. Raja Jai Singh Deo of Orissa had declared himself the ruler of Jharkhand in the 13th century. It largely comprises forest tracks … Read more Jharkhand :An Historical Introduction

Paper VI- GENERAL SCIENCE, ENVIRONMENT & TECHNOLOGY DEVELOPMENT

JPSC Mains Notes for Paper VI- General Science, Environment & Technology Development With Seperate section for Physical Science, Life Science, Agriculture Science, Environmental Science and Science & Technology Development The question paper of General Science, Environment & Technology Development shall have six sections. Section – shall have 20 objective type of questions, each of 2 marks (20 « 40 Questions … Read more Paper VI- GENERAL SCIENCE, ENVIRONMENT & TECHNOLOGY DEVELOPMENT

Paper IV- INDIAN CONSTITUTION & POLITY, PUBLIC ADMINISTRATION & GOOD GOVERNANCE

Section (A) – Indian Constitution and Polity (I) Preamble of the Indian Constitution (Secular, Democratic and Socialist-Philosophy behind It) (II) Salient features of the Indian Constitution. ; Basic structure of the Indian Constitution.Concept of Public Interest Litigation (III)Fundamental Rights & Duties (IV) Directive Principles of the State Policy (V) Union Government : (a) Union Executive … Read more Paper IV- INDIAN CONSTITUTION & POLITY, PUBLIC ADMINISTRATION & GOOD GOVERNANCE

JPSC Mains Paper 3:SOCIAL SCIENCES (History and Geography) Notes

Detailed Notes for JPSC Mains Paper III Notes- Detailed topicwise Jharkhand Mains GK Notes for JPSC Mains Exam are provided for free browsing. Jharkhand (JPSC) Mains Notes are designed by JPSC Toppers and other civil servants. Detail Notes can be browsed at the following links. Section (A) – History: 100 Marks Section (B) – Geography: … Read more JPSC Mains Paper 3:SOCIAL SCIENCES (History and Geography) Notes

Polity of Jharkhand

Administrative system of Jharkhand Divisions and districts of Jharkhand Panchayati raj of Jharkhand Awards of Jharkhand Education, Educational Infrastructure and Educational Policy of Jharkhand Health ,health Infrastructure and health Policy of Jharkhand Famous personalities of Jharkhand Sports personalities and Infrastructure of Jharkhand State Executive : Powers and functions of Governor, Chief Minister and the Council of … Read more Polity of Jharkhand

Economy of Jharkhand for JPSC Prelims Examination

  [twy_display_category id=”1589″] Jharkhand Economy: Features,Issues, Challenges and Strategics Economic growth and structure of Jharkhand’seconomy, sectoral  composition, growth in SDP and per capita NSDP In last decade,  Agricultural and industrial growth in jharkhand Demographic features of Jharkhand : population growth, sex ratio,  density, literacy,composition of work force, rural-urban composition etc. with special reference to Census … Read more Economy of Jharkhand for JPSC Prelims Examination

Immunity and Vaccination for JPSC Prelims and JPSC Mains Examination

Immunity is disease resistance and is of following two types:- Natural or Innate Immunity:- It is present from birth and is inherited from birth by the offspring from the mother.In this form of immunity the response from the organism against the pathogen is immediate in the form of non-specific immune response without the need of recognizing the … Read more Immunity and Vaccination for JPSC Prelims and JPSC Mains Examination

Immunity and Vaccination

Immunity is disease resistance and is of following two types:- Natural or Innate Immunity:- It is present from birth and is inherited from birth by the offspring from the mother.In this form of immunity the response from the organism against the pathogen is immediate in the form of non-specific immune response without the need of recognizing the … Read more Immunity and Vaccination