Indian Geography Questions and Answers

Answer: A

This is Wien's displacement law.

\[\lambda_{max}T = b = 2.898\times10^{-3}\ \mathrm{m\,K}\] So the hotter a body, the shorter the wavelength at which it radiates most. It is why an iron heated in a fire glows red, then orange, then white, and why the sun's peak is in the visible while ours is in the infrared.

Answer: C

Exfoliation is a form of physical weathering.

Repeated heating and cooling makes the outer layer of a rock expand and contract more than the interior, and successive shells peel away like the coats of an onion. It is common in deserts, where the daily temperature range is extreme, and no chemical change is involved.

Answer: B

World Water Day is observed on 22 March.

It was proposed at the Rio Earth Summit in 1992 and first marked in 1993, and each year carries a theme drawing attention to some aspect of fresh water and its management.

Answer: D

Rajasthan is the largest state by area.

It covers 342,239 sq km, about 10.4 per cent of India, and includes the Thar desert. Madhya Pradesh is second at 308,245 sq km; Uttar Pradesh, though only fourth by area, is the most populous.

Answer: D

Hyderabad stands on the Musi.

The river, a tributary of the Krishna, divides the old city from the new. The Charminar and Golconda lie on its banks, and the Osman Sagar and Himayat Sagar reservoirs on it supply the city's water.

Answer: B

The Cauvery rises on the eastern slope of the Western Ghats.

Its source is at Talakaveri in the Brahmagiri hills of Kodagu, Karnataka, and it flows some 800 km east across the peninsula to the Bay of Bengal, forming the Shivanasamudra falls and the delta at Thanjavur.

Answer: A

Ankleshwar is in Gujarat.

The field, in Bharuch district, was discovered in 1960 and was one of the first major finds by the Oil and Natural Gas Commission after independence. Its crude goes to the refinery at Koyali.

Answer: C

India is divided into eight postal zones.

The first digit of a PIN code gives the zone, running 1 to 8 from north to south and west to east; a ninth digit, 9, is reserved for the Army Postal Service. The six-digit system was introduced in 1972.

Answer: B

India's first atomic power plant is at Tarapur.

The Tarapur Atomic Power Station in Maharashtra was commissioned in 1969 with two American-built boiling water reactors, under an agreement with General Electric. Kalpakkam, commissioned in 1984, was the first built entirely to Indian design.

Answer: A

Mount St Helens is in the United States.

It lies in Washington state, in the Cascade Range, and erupted catastrophically on 18 May 1980, removing the top 400 m of the mountain and devastating some 600 sq km of forest.