KNOWLEDGE FOR ALL EARTH 1) The age of earth is 4.6 billion years. 2) Being the 5th largest amongst the 9 planets, it is 3rd planet located from the sun. 3) Earth comprises of 70% water. 4) 12,742 kms is the average diameter of the Earth. 5) The year on Earth is 365.25 days long. 6) The hottest place on earth recorded is El Azizia, Libya with the highest temperature of 57.8 degree Celsius. 7) The river Nile in Africa is the longest river on the Earth. It is 4,160 miles long. 8) The driest place on earth is Arica in Chile. 9) About 1 million earthquakes occur every year in the earth, but most of them are not registered. 10) The coldest, driest and highest continent is the Antarctica. 11) The average depth of the oceans is 2 miles. 12) The speed at which sun rays reach the earth is 8 minutes and 3 seconds. 13) Vostok in Antarctica is the coldest place on earth with a recorded temperature of -89 degree Celsius. 14) Mt Everest in Nepal is the highest mountain. 15) Lloro, Colombia is the wettest place on Earth, with a recorded rainfall of 523.6 inches. 16) The Pacific Ocean is the largest ocean on Earth covering 64 million sq miles. 17) More than 3 quarters of the surface of earth is of volcanic origin. 18) 1/3rd of earth’s surface comprises of deserts. 19) The world’s largest desert is the Sahara Desert situated in Northern Africa. 20) About 4,000 minerals in the earth surface are known. 21) Commonwealth bay in Antarctica is the windiest place in the world. 22) The oceans on the surface of the earth make the planet look blue from space. Hence, Earth is many a times referred to as Blue Planet. 23) Food can be grown on only 11% of the surface on earth. 24) In comparison to the other planets, earth has only 1 moon. 25) The depth of the earth’s crust is 5 miles. 26) Bacteria are the oldest fossils known. They are about 3,500 million years old. 27) The density of Earth is the highest in the solar system. SPACE Being closer to the Sun, the planets Venus, Earth, Mercury and Mars are called Inner Planets. - Black Arrow is the only planet launched by Britain. - Annually the revolution of Earth around the Sun increases by 0.0001 seconds. - A day on the Pluto is equal to a week on the Earth. - Sputnik is the first satellite made by man. - The size of the Sun is so huge, that approximately 1 million Earths can accommodate on it. - Halley’s Comet becomes visible after a period of 76 years. - The number of galaxies present in universe range up to 100 billion. - The size of Jupiter is as large as 1000 Earths. - As many as 1-2 meteorites reach the Earths surface per day. - There are as many as 400 billion numbers of stars in largest galaxy present in the Universe. - Jupiter’s moon, Europe is enveloped with ice. - The temperature on the surface of the Sun is 6000 degree Celsius. The gases present on the Sun are Hydrogen and Helium. - Since the Venus rotates clockwise, the Sun sets in the Eastern hemisphere and rises in the Western hemisphere. - Sun does have some cool spots on its surface. They are called Sunspots. The magnetic fields obstruct the heat from reaching the surface of the spots thus keeping them cool. - The matter which sun throws away in space is termed as the solar wind. - Uranus was discovered by Sir William Herschel. Hence it is also called the George’s Star. - Jupiter has 4 moons namely, Ganymede, Europe, Io and Callisto. - Pluto was earlier known as a planet. After 2006, the definition of planets changed and now it is designated as the Dwarf Planet. - The hottest planet in the solar system is Venus. This is because of its proximity to the Sun. The temperature of the planet is above 450 degrees. - The mass of supernovas is 30 times more than the mass in the Sun. - Temperature is the reason of the star’s color. - 1 year on Pluto is equal to 248 years on Earth. GENERAL KNOWLEDGE 1) The caterpillar gradually matures into? a) Beetle b) frog c) butterfly d) cockroach. Answer : Butterfly 2) The rainbow comprises of how many numbers of colors? a) 3 b) 10 c) 6 d) 7 Answer : 7 3) An herbivore animal eats only? a) meat b) plants c) fly d) fruits. Answer : Plants 4) Which is the planet nearest to the Sun? a) Pluto b) Earth c) Jupiter d) Mercury Answer : Mercury 5) Leaves are green in color because they contain the following chemical? a) Chlorophyll b) Xanthophyll c) Carotene d) Lycopene Answer : Chlorophyll 6) Which part of the plant is a potato? a) Fruit b) root c) stem d) Leaf Answer : Stem 7) Which family does a frog belong to? a) Amphibian b) Aquatic c) Terrestrial d) None Answer : Amphibian 8) Plants release the following chemical? a) Nitrogen b) Oxygen c) Carbon Dioxide d) Ammonia Answer : Oxygen 9) Clouds are made of? a) Water b) Air c) Wool d) White sand Answer : Water 10) Water has the following chemical composition? a) HO2 b) H2O2 c) H2O d) H3O4 Answer : H2O 11) Which of the following do not have their own light? a) Planets b) Stars c) Moon d) Sun Answer : Planet 11) How many senses does a human being have? a) 3 b) 9 c) 5 d) 6 Answer : 5 12) Which of the following circulates blood throughout the body? a) Heart b) Brain c) Lungs d) Kidney Answer : Heart 13) Which of the following Vitamin is generated by exposure to the Sun? a) Vitamin C b) Vitamin B c) Vitamin K d) Vitamin D Answer : Vitamin D 14) Deficiency of which vitamin causes Night Blindness? a) Vitamin B b) Vitamin A c) Vitamin C d) Vitamin D Answer : Vitamin A 15) Which of the following is called a Red Planet? a) Jupiter b) Mars c) Earth d) Saturn Answer : Mars 16) Which of the following planets has rings around it? a) Uranus b) Saturn c) Mercury d) Neptune Answer : Saturn 17) Temperature is measured by which of the following instruments? a) Tempometer b) Thermometer c) Hydrometer d) Gyrometer Answer : Thermometer 18) Which of the following helps in keeping the body temperature cool? a) Perspiration b) Respiration c) Excretion d) Urination Answer : Perspiration N..J
Posted on: Thu, 14 Nov 2013 12:37:57 +0000
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