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97 Cards in this Set
- Front
- Back
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Size of earth |
1/13,00,000 of sun |
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Diameter of sun |
14,00,000 |
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Temperature of surface of the sun |
6000°c |
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Temperature of centre of sun |
15,000,000°c |
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Speed of light |
3,00,000 km/sec |
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Time taken by the light of the sun to reach the earth |
8.5 minutes |
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Hottest planet |
Venus |
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Only two planet that rotates clockwise |
Venus and uranus |
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Time taken by earth to rotate on its axis |
23 hrs 56 mins and 4.091 secs |
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Time taken to revolve around the sun |
365 days, 5 hrs and 48 minutes |
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Neither too hot nor too cold(earth) |
Goldilock zone |
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Diameter of the moon |
3,475 km |
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Max distance of moon from earth(apogee) |
4,06,000 km |
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Min distance(perigee) |
3,64,000 |
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Time taken by the light from the moon to reach earth |
1.3 secs |
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Size of the moon w.r.t earth |
1/4 |
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Study of moon is called |
Selenology |
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Satelite of mars |
Phobes and Demos |
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Largest planet |
Jupitar |
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Largest satelite of solar system |
Gannymeda of jupitar |
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Largest satelite of saturn |
Titan |
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Closest star to the earth after the sun |
Proxima centauri |
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Total no. of stars in the universe |
10 (power 22) |
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Light year |
Distance travel by light in 1 year at the speed of 3,00,000 km/s |
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1 light year |
9,461,000,000,000 km |
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Mass of earth |
5.976 ×10 to the power 24 kg |
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Total land area |
148,647,000 sq.km |
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Mean density of earth |
5.518 kg/litres |
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Highest land point |
Mount everest(8,848 m) |
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Lowest land point |
Dead sea(397 metres) |
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Greatest ocean dept |
Mariana trench(11,033 metres) |
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1° Latitude is equal to |
111 km |
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0° longitude |
Greenwich, England |
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Longitude is also called |
Meridian |
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1 hour = |
15° |
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1° = |
4 minutes |
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International date line |
180th meridian passes through bering strait between alaska and siberia |
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Longest day(summer solstice) |
June 21 northern hemisphere |
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Shortest day(winter solstice) |
December 22 northern hemisphere |
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Equinoxes |
March 3l21 and september 23 |
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1st layer of atmosphere |
Troposphere 18 km at equator and 8 km at the poles All weather changes occurs here |
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2nd layer of the atmosphere |
Stratosphere Ozone present here Free from clouds and weather phenomenon. It provides ideal flying conditions for large jet planes |
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Thickness of earth crust |
30 km |
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Upper crust consist of |
Silica and aluminium (sial) |
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Lower crust consists of |
Silica and magnesium (sima) |
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Thickness of mantle |
29,000 km |
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Core of earth consist of |
Iron, Nickel and Sulphur (NIFE) |
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Density of earth crust |
2.7 to 3 g/c.c (gram per cubic centimetre) |
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Density of core |
13 |
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Example of igneous rock |
Gabbro, Granite, obsidian, basalt, pumic stone |
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Example of sedimentary rock |
Limestone, sandstone, shale, clay, coal |
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Examples of metamorphic rock |
Marble, quartzite, slate, phyllite, schist, marble, homeblend |
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Study of earthquack |
Seismology |
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Instrument to measure magnitude and the intensity of an earthquake respectively |
Richter scale and Mercalli scale |
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Tropical evergreen forest |
Hot & wet region, Dense, W.Ghats, NE states, A&N island, types of tree: ebony, mahogany, redwood, Equatorial, rainfall: >250 cm |
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Tropical semi-deciduous forest |
Deccan plateau, foothills of himalaya; teak, sal, shisham, bamboo, sagwan; rainfall: 100-200 cm |
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Coniferous or taiga |
Slopes of himalaya; needle shaped leaves; soft wood; pine, deodar, spruce, fir. |
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Thorny forest |
Indian desert & some part of deccan plateau, punjab, haryana, gujarat; Babul, acacia, kikar, wild palm; rainfall?10cm |
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Littoral and swamp forest |
Also called tidal and mangrove forest; W.Bengal, Orissa, sunderban, A&N island, found in deltas; most important tree is sundari. |
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Tropical pasture of africa |
Savanna |
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Brazil |
Campos |
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Venenzuala and columbia |
Lanos |
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Temperate pastures of USA and Canada |
Praries |
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Argentina |
Pampas |
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South africa |
Velds |
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Australia and new zealand |
Rangelands or downs |
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Ukraine and Russia |
Steppes |
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Stalactites (roof) & stalagmite (floor) |
Calcium carbonate |
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Total area of India |
32,87,263 sq.km |
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Meridian of India and, sri lanka & nepal standard time |
82°30' E |
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Latitudinal extent of India |
8°4' N to 37°6' N |
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Longitudinal extent of India |
68°7'E to 97°25'E |
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Tropic of cancer touches following states of India |
Gujarat, Rajasthan, Madhya pradesh, Chattisgarh, Jharkhand, west bengal, tripura, Mizoram |
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Area of India in millions |
3.28 million sq.km |
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India from north to south |
3,214 km |
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India from east to west |
2,933 km |
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Total length of mainland coastline |
6,100km |
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Total lenth of coastline, including that of island |
7500km |
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Land frontier of India |
15,200 km |
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West coastal plains from gujarat to goa is called |
KONKAN |
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Coastal plain from Goa to Kanyakumari is called |
Malabar |
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Northern part of east coastal plain is called |
Northern circar |
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Southern part of east coastal plain is called |
Coromandal coast |
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What is east coastal plain famous for? |
Rice cultivation |
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Where is lake sambhar |
Rajasthan |
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How many island are there in Lakshadweep? |
36 coral island in arabian sea |
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How many island are there in A&N island group? |
324 |
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Alluvial soil |
Most important & widespread; punjab, haryana, u.p, bihar, assam, w.bengal |
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Regur or Black soil |
Volcanic origin; ideal for growing cotton; maharastra, saurastra, malwa, southern madhya pradesh |
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Red soil |
FeO content; chotanagpur plateau, orissa, eastern chattisgarh, telangan, nilgiris, tamil nadu plateau |
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Laterite soil |
Tamil nadu, odisha, chotanagpur, meghalaya, high FeO content |
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Arid & Desert soil |
West of aravallis, parts of haryana, punjab, gujarat |
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Wheat basket of rajasthan |
Ganganagar |
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Rabi crop |
Wheat, barley, pulses; sowing in sept oct |
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Kharif |
Rice, maize, millet, cotton, jute; sowing in june july |
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Highest dam of india |
BHAKRA DAM, punjab on sutlej river |
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Longest dam of india |
Hirakud dam, orissa on mahanadi river |
