Geography Mixed Quiz: Set 115

Tuff is the rock formed when volcanic ash settles in layers and hardens.

National Waterway 3 runs 205 km from Kollam to Kottapuram along the West Coast Canal and includes the Champakara and Udyogmandal canals, which serve the industrial belt near Kochi.

Thawing is the melting of ice, a physical change that works on rocks only mechanically.

All three statements repeat the words of the United Nations Convention on the Law of the Sea, adopted in 1982 and in force since 1994.

Extratropical cyclones form outside the tropics and cover wide areas, but they travel from west to east, not east to west.

Italy, Japan and South Korea all have fertility rates far below the replacement level of about 2.1 children per woman, ageing people and shrinking numbers.

The Suez Canal is an artificial sea-level waterway joining two seas, and it is the busier and more important of the two great canals.

A pattern that looks like the branches of a tree or the veins of a leaf, formed on uniform rock with a regular slope, is dendritic.

All three statements correctly describe slash-and-burn farming in India. Slash-and-burn is a form of primitive subsistence farming: farmers clear a patch of forest by cutting and burning the vegetation, grow food crops on it with simple tools, and mainly feed their own families.

Singapore lies at about 1.3° North, which makes it the closest of these cities to the Equator, only about 140 km north of it.

Temperature inversion needs rapid cooling of the ground, which happens under clear skies, not cloudy ones. Statement I is correct: normally temperature falls with height, but during an inversion a layer of warmer air lies above cooler air near the ground, so the normal lapse rate is reversed.

In Koppen's scheme for India, most of the Ganga plain falls in the Cwg type: a monsoon climate with a dry winter.

Yumthang lies beyond the village of Lachung in north Sikkim, at roughly 3,500 metres, and the Shingba Rhododendron Sanctuary around it gives the valley the popular name of the Valley of Flowers of Sikkim; hot springs rise on the bank of the Lachung river and the Zero Point lies further…

The Sea of Azov joins the Black Sea through the narrow Kerch Strait, east of the Crimean peninsula. The Sea of Azov is bordered by Russia and Ukraine and is often called the shallowest sea in the world, with a maximum depth of only about 14 metres.

Sediment settles in layers at ordinary temperatures, so the remains of organisms buried with it are preserved as the layers are compacted and cemented, which is why sedimentary rocks are also called stratified rocks and why the history of life is read from them.

Cropping intensity is gross cropped area divided by net sown area, usually shown as a percentage, and it tells how many times the same land is cropped in a year.

Density of population is a ratio between the number of people and the area they occupy, and the standard unit is the number of persons living in one square kilometre; it is the simplest way of measuring the pressure of people on land.

The word comes from the Greek for tree, and the pattern develops where the underlying rock is of uniform hardness and the slope is gentle, so the streams branch freely without being guided by lines of weakness; the tributaries of the Ganga in the northern plain are the standard Indian…

The land-use classification kept in India's land revenue records divides the reporting area into nine categories.

When salt crystals grow inside the pores and cracks of a rock, they push the grains apart and break the rock mechanically, without changing its minerals.