Geography Mixed Quiz: Set 62

The rocky planets are dense, the gas giants are light, and Saturn is the least dense planet of all. Earth is the densest planet in the Solar System at about 5.5 g/cm³, with Venus close behind at about 5.2 g/cm³; both are made of rock and metal.

South-eastern Cameroon lies inside the drainage area of the Congo river, and the country is one of the six nations that share the Congo Basin rainforest.

Slate is a metamorphic rock, formed when shale is changed by heat and pressure. Igneous rocks form when molten magma or lava cools and hardens.

New Zealand forms the south-western corner of the Polynesian Triangle in the Pacific Ocean. The Pacific islands are grouped into three regions.

Statement 1 describes the epicentre, not the hypocentre; statements 2 and 3 are correct. The hypocentre, or focus, is the point inside the Earth where the energy of an earthquake is released.

In January the northern oceans are warmer than the frozen continents, so isotherms bend north over the sea and south over the land; the Gulf Stream and North Atlantic Drift are warm currents, not cold ones.

The exosphere, the outermost layer of the atmosphere, is made up mostly of the two lightest gases, hydrogen and helium.

Plantations do lie mostly in the humid tropics, but the soils there are generally poor, not highly fertile. Plantation farming grows a single cash crop such as tea, coffee, rubber, sugarcane, cocoa, banana or oil palm on large estates with heavy capital and hired labour.

Leh lies in the rain shadow of the Great Himalaya and gets only about 100 mm of precipitation a year, making it one of the driest places in India.

Koeppen grouped climates by temperature and rainfall and gave each group a capital letter, and E stands for the polar group, where the mean temperature of the warmest month stays below 10 degrees Celsius.

Humus is the dark, amorphous organic matter of soil, and its colloidal nature lets it hold nutrients and water for plants.

The Trans-Siberian Railway is the longest railway line in the world, about 9,289 km from Moscow, with through services from St. Petersburg, to Vladivostok on the Pacific coast of Russia.

The tundra is too cold, with a very short growing season and permanently frozen subsoil, for trees to grow, so it has no timber.

The Tropic of Capricorn runs at about 23.5 degrees south and misses Uruguay, which lies further south between roughly 30 and 35 degrees.

Coal-based thermal plants produce the largest share of India's electricity, roughly three-fourths of the power generated. A thermal power plant burns a fuel, mostly coal and to a smaller extent gas or lignite, to boil water into steam that turns a turbine.

Migration is studied through push factors in the place of origin and pull factors in the place of destination, and all three items listed belong to that study.

The 1971 Census recorded a decadal growth of about 24.8 per cent for 1961–71, the highest of any decade in India's census history.

Springs appear where groundwater meets a barrier or a surface outlet, which happens in jointed rocks, karst areas and tilted strata, but not commonly in dry regions.

Cumulus clouds look like heaps of cotton wool, appear in scattered patches with a flat base, and generally form at a height of 4 to 7 km.

This is the savanna (Sudan type) climate: hot all year, with a short rainy summer and a long dry season.