The four major components of the atmosphere are oxygen, nitrogen, carbon dioxide and argon. Increase in carbon dioxide in atmosphere causes rise the earth temperature. The velocity of winds is related…

Latitude and Longitude both run perpendicular to each other. One degree of longitude on the equator is equal to a distance of 69 miles. There are 181 lines of latitude on…

The International Date Line is located in the Pacific Ocean. The Earth is Oblate. In 23 h 56 min 4.9 sec the Earth completes one rotation on its axis. Day and…

The lunar eclipse occurs when earth comes between the sun and moon. Days and nights are equal throughout the globe when sun is above equator. Marine Ecosystem covers the largest area…

Solar eclipse occurs when moon comes between sun and earth. Japan is called land of the rising sun because Japan being the easternmost country in the world. It has the earliest…

Which Country has oldest National Anthem : Japan Which Country has oldest Flag : Denmark Which Country has no its National Anthem: Cyprus Which country has the Largest flag : Brazil…

Study of Religion : Theology Study of Blood : Hematology Study of Bones : Osteology Study of Flags is called: Vexillology Which two countries have their two National Anthems: Denmark and…

Study of coins: Numismatics Study of Teeth : Odontology Study of Trees: Dendrology Study of Kidneys : Nephrology Study of Eyes: Ophthalmology Click for complete file of 300 MCQs

Study of Liver : Hepatology Study of Writing : Calligraphy Study of age problems: Gerontology Study of Energy and its Motion :Physics Study of matter and its composition: Chemistry Click for…

Study of Fruits : Pomology Study of languages: Philology Mother in law of Europe is called: Denmark Land of rivers is called: Bangladesh Study of Heart : Cardiology Click for complete…