Geography Previous Year Questions (PYQ) with Answers – Page 18

Carbon dioxide makes up about 96.5% of the atmosphere of Venus and about 95% of the atmosphere of Mars. The two neighbours of the Earth have atmospheres dominated by carbon dioxide, with nitrogen and argon making up most of the rest.

The DRC mines roughly three-quarters of the world's cobalt, far ahead of any other country. Cobalt is used in the cathodes of lithium-ion batteries because it keeps them stable and lets them store more energy, which is why demand has risen with electric vehicles and mobile phones.

The Rann was once a shallow arm of the Arabian Sea, and as the sea withdrew from it, aided by the uplift of the land, it was left as the vast salt marsh seen today.

Mahua and teak shed their leaves in the dry season, while the jackfruit tree is evergreen.

Pairs 1 and 2 are correct; Visakhapatnam is not India's largest container port. Kamarajar Port at Ennore, near Chennai in Tamil Nadu, was the first major port in India to be set up as a corporate entity, registered as a public company (Ennore Port Ltd).

The correct answer is A, China, which was never a British territory and is therefore not a member of the Commonwealth of Nations, so it does not take part in the Commonwealth Games.

These monsoon forests cover the largest part of India, so they are the most widespread forest type in the country.

These are communities within the Scheduled Tribes that are the least developed on four counts: a pre-agricultural level of technology, a stagnant or declining population, extremely low literacy and a subsistence economy.

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.

North America and Prairie is right, as the prairies are the temperate grasslands of the United States and Canada and the granary of the world.

Julia was a storm of the Atlantic basin and never approached India, so it cannot belong to a list of Indian landfalls.

The eye of a tropical cyclone is the roughly circular column of calm, descending air at its centre, usually a few tens of kilometres across, where the pressure is lowest, the winds are light and the sky is often nearly clear.

The north-east trade winds blow over India in the winter season, roughly from October to February.

India covers about 32.87 lakh square kilometres, which is roughly 2.4 per cent of the world's total land area. That small share supports about 17 to 18 per cent of the world's people, and this gap between land and population is what the question is really testing.

The standard school classification divides India's natural vegetation into five groups: tropical evergreen rainforests, tropical deciduous or monsoon forests, tropical thorn forests and scrubs, montane forests, and mangrove or tidal forests.

Asia supplies more than half of the world's tin, because the great tin belt of South East Asia runs through Myanmar, Thailand, Malaysia and Indonesia, and China is the largest single producer.

Tropical deciduous forests are India's monsoon forests, and their trees shed their leaves for about six to eight weeks in the dry summer to save water.

Leh, in the cold desert of Ladakh, lies above 3,500 metres in the Himalayas, and its winter temperature falls far below freezing, lower than anywhere else in the list.

Mosses and lichens are the typical plants of the tundra, the cold treeless belt that lies beyond the coniferous forests of the far north.

Kerala shows almost no difference between day and night temperatures because it lies on the coast close to the equator, where the sea keeps the air mild and the humidity stays high.