Answer: Option B
Explanation : The Radcliff Line demarcates the boundary between India and Pakistan. The demarcation line was published on 17 August 1947 upon the Partition of India.

Answer: Option B
Explanation : World’s highest urban density of population occurs in Tokyo. As has been the case for nearly six decades, Tokyo remains the largest urban area in the world, with approximately 37 million.

Answer: Option C
Explanation : International date line is a Zigzag line. The International Date Line is an imaginary zig zag line on the surface of the earth roughly following the 180 degree meridian. Crossing the date line causes the date to be changed exactly by one day. Crossing the line from East to West , one loses a day . And from West to East, one gains a day.

Answer: Option D
Explanation : The latitude also known as the Arctic Circle. The Arctic Circle is the parallel of latitude that runs 66° 33´ 39″ (or 66.56083°) north of the Equator and is one of the five major circles of latitude that mark maps of the Earth. Everything north of this circle is known as the Arctic, and the zone just to the south of this circle is the Northern Temperate Zone.

Answer: Option B
Explanation : Boll-Weevil is a pest that attack the Cotton crop. The weevil is a pest which primarily attacks flowers and bolls. A boll weevil can destroy the cotton lint with its feces and consume the cotton seeds.

Answer: Option A
Explanation : The network of intersecting parallels and meridians on a map is known as graticule. The graticule of latitude and longitude lines is an angular measurement system. All features on the earth’s surface are located using measurements that are relative to the center of the earth. Latitude lines are parallel to each other while longitude lines converge at the poles.

Answer: Option B
Explanation : The years 1700, 1800 and 1900 were not leap years. A normal year is defined as 365 days. Putting all of these rules together, you can see that a year is a leap year not only if it is divisible by 4 — it also has to be divisible by 400 if it is a centurial year. So 1700, 1800 and 1900 were not leap years.

Answer: Option A
Explanation : White coal refers to Hydroelectricity. White coal was used in England to smelt lead ore from the mid-16th to the late 17th centuries. It produces more heat than green wood but less than charcoal and thus prevents lead evaporating. White coal was produced in distinctive circular pits with a channel, known as Q-pits.

Answer: Option B
Explanation : Ireland is known as the “Emerald Isle”. Ireland’s beautiful, lush countryside is what earned the country the nickname, “The Emerald Isle.” The island is located in the Northern Atlantic Ocean, just west of Great Britain. Ireland’s only bordering country is Northern Ireland.

Answer: Option C
Explanation : ‘Recycling’ is a method for conserving the resources of Copper. To date only about 12% of known copper resources have been mined. However copper ore is a finite resource and it makes sense to conserve ore by recycling.