IMPORTANT TERMS OF BIOLOGY (C-E)

Biology - Important Terms ( C- E )

Terms	Details
Cytology	Study of Cell
Cryobiology	It is the study of effect of low temperature on organisms and their preservation.
Clone	Clones are genetically identical individual in a population.
Cardiology	Study of Heart.
Demography	Study of Population.
Diffusion	Random movement of molecule / ion or gases from a region of higher concentration to lower concentration.
Dermatology	Study of Skin.
Dendrochronolo- gy	Counting and analysing annual growth rings of  tree to know its age.
Ecology	Study of inter-relationship between living and their environment.
Evolution	Study of origin of life, variation and formation fo new species.
Embryology	Study of fertilization of egg, formation of zygote and development of embryo.
Eugenics	Study of factors connected with the improvement of human race.
Euthenics	Study of environmental condition that contribute to the improvement of human beings.
Euphenics	Treatment of defective  in heredity through genetics engineering.
Ethnology	Study of science dealing with different races of human.
Ethology	Study of animal behaviour in their natured habitats.
Etiology	Study of causative agent of disease.
Entomology	Study of insects.
Exobiology	Study of possibility of life in space.

INDIAN HISTORY - HARAPPAN / INDUS CIVILIZATION (2500 BC - 1750 BC)

Indian History : Ancient India :  -   Harappan  / Indus Civilization (2500 BC - 1750 BC) : -  

• The most appropriate name - Harappan Civilization (Harappa - the first discovered site).

• The most prevalent name - Indus Civilization (the largest concentration of settlement - among the Indus river valley).

• The most accepted period - 2500 BC - 1750 BC (by Carbon-14 dating).

• John Marshall was the first scholar to use the term "Indus Civilization".

• The Indus Civilization belongs to Proto-Historic Period (Chalcolithic Age / Bronze Age).

• The Indus Civilization was spread over Sindh, Baluchistan, Punjab, Haryana, Rajasthan, Gujarat, Western U.P. and Northern Maharashtra.

• Scholars generally believe that Harappa-Ghaggar-Mohenjodaro axis represents the heartland of the Indus Civilization.

• The Northern-most site of Indus Civilization - Ropar (Sutlej) / Punjab (Earlier);Manda (Chenab) / Jammu-Kashmir (Now).

• The Southern-most site of Indus Civilization - Bhagatrav (Kim) / Gujarat (Earlier);Daimabad (Pravara) / Maharashtra (Now).

• The Eastern-most site of Indus Civilization - Alamgirpur (Hindon) / Uttar Pradesh.

• The Western-most site of Indus Civilization - Sutkagendor (Dashk) / Makran Coast, Pakistan - Iran Border.

• Capital Cities - Harappa, Mohenjodarao

• Port Cities - Lothal, Sutkagendor, Allahdino, Balakot, Kuntasi

WORLD HISTORY - IMPORTANT DATES

Important Dates of World History : 

         B.C .

• 776  -  First Olympiad in Greece

• 753  -  Rome Founded

• 490  -  Battle of Marathon; the Greeks defeated the Iranians / Persians.

• 327-26  -  Invasion of India by Alexander, Battle of Hydaspes.

• 221  -  Chin - Hung Ti 'Universal Emperor' in China, Great Wall of China completed.

• 55  -  Invasion of Britain by Julius Caesar, the Great Roman General.

• 44  -  Assassination of Julius Caesar by Brutus.

• 4  -  Birth of Jesus Christ.