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Distribution of Oceans and Continents

Distribution of Oceans and Continents, Geography, XI

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Questions

Question 1 Multiple Choice (Single Answer)

According to Wegener, all the continents formed a single continental mass and mega ocean surrounded the same. What was this super continent named?

  1. Panthalassa
  2. Pangaea
  3. Laurasia
  4. Gondwanaland
  5. Tillite
Question 2 Multiple Choice (Single Answer)

Which of the following is/are not the divisions in which the ocean floor can be segmented?
a. continental margins
b. deep-sea basins
c. mid-ocean ridges
d. fractionated plateau

  1. Only a
  2. Only b
  3. Only c
  4. Only d
  5. None of them
Question 3 Multiple Choice (Single Answer)

Which of the following statements is incorrect?

  1. A map produced using a computer programme to find the best fit of the Atlantic margin was presented by Bullard in 1964.
  2. The belt of ancient rocks of 2,000 million years from Brazil coast matches with those from western Africa.
  3. Tillite is the sedimentary rock formed out of deposits of glaciers.
  4. Alfred Wegener was a Dutch map maker who first proposed the possibility of a big landmass as early as 1596.
  5. The continental drift theory suggested that the movement responsible for the drifting of the continents was caused by pole-fleeing force and tidal force.
Question 4 Multiple Choice (Single Answer)

Which of the following is an important major tectonic plate?

  1. Fuji plate
  2. Cocos plate
  3. Arabian plate
  4. Pacific plate
  5. Options 3 and 4
Question 5 Multiple Choice (Single Answer)

Which of the following are the areas where the continental sediments that move beyond the margins get deposited.

  1. The deep oceanic trenches
  2. The abyssal plains
  3. The continental shelf
  4. The central rift system
  5. The mid oceanic ridges
Question 6 Multiple Choice (Single Answer)

Which of the pairs of the tectonic plate sand and their locations is correct?

  1. Cocos plate: Antarctica and the surrounding oceanic plate
  2. Nazca plate: South American (with western Atlantic floor separated from the North American plate along the Caribbean islands) plate
  3. Caroline plate: North American (with western Atlantic floor separated from the South American plate along the Caribbean islands) plate
  4. Arabian plate: Saudi Arabia with the Eurasia and the adjacent oceanic plate
  5. Philippine plate: Between the Asiatic and Pacific plate
Question 7 Multiple Choice (Single Answer)

Bullard produced a map using a computer programme in 1964, it proved to be a perfect fit at 1000 fathom line of the margin of which of the following?

  1. Pacific
  2. Arctic
  3. Atlantic
  4. African and South American
  5. African and Indian subcontinental
Question 8 Multiple Choice (Single Answer)

The mapping of the ocean floor and palaeomagnetic studies of rocks from oceanic regions revealed some facts. Which of the following is incorrect about these studies?

  1. All along the mid oceanic ridges, volcanic eruptions are common and they bring huge amounts of lava to the surface.
  2. Rocks closer to the mid-oceanic ridges have normal polarity and are the youngest.
  3. The ocean crust rocks are much older than the continental rocks.
  4. The sediments on the ocean floor are unexpectedly very thin.
  5. The deep trenches have deep seated earthquake occurrences and the mid oceanic ridges have shallow depths of earthquakes.
Question 9 Multiple Choice (Single Answer)

Which of the following is correct about the concept of the sea floor spreading?

  1. Hess argued that constant eruptions at the crest of oceanic ridges causes the rupture of the oceanic crust and the new lava wedges into it, pushing the oceanic crust on either side.
  2. The ocean floor that gets pushed due to volcanic eruptions at the crest, sinks down at the oceanic trenches and gets consumed.
  3. The younger age of the oceanic crust and the spreading of one ocean causes the shrinking of the other.
  4. Options 1 and 2
  5. All of the above options
Question 10 Multiple Choice (Single Answer)

The northern plate boundary of the Indian plate along the Himalayas is a

  1. divergent boundary
  2. transform boundary
  3. continent - continent convergent boundary
  4. oceanic - oceanic convergent boundary
  5. oceanic - continent convergent boundarry
Question 11 Multiple Choice (Single Answer)

Which of the following is correct?

  1. Both the surface of the earth and the interior are not static and motionless but are dynamic.
  2. The mobile rock beneath the rigid plates is believed to be moving in a circular manner.
  3. Heat within the earth comes from two main sources: radioactive decay and residual heat.
  4. All of the above are correct.
  5. Statements in option 1 and 2 are correct.
Question 12 Multiple Choice (Single Answer)

Which of the following is incorrect?

  1. The Indian plate includes Peninsular India and the Australian continental portions.
  2. The boundary between India and the Antarctic plate is marked by oceanic ridge (divergent boundary) running in roughly W-E direction and merging into the spreading site, a little south of New Zealand.
  3. The Tethys Sea separated the Indian island from the Asian continent till about 225 million years ago.
  4. During the movement of the Indian plate towards the Asiatic plate, a major event that occurred was the outpouring of lava and formation of the Deccan Traps.
  5. The Indian and the Asiatic plates were separated by the Tethys Sea and the Australian block was closer to the Asiatic landmass.
Question 13 Multiple Choice (Single Answer)

The Gondawana system of sediments from India is known to have its counter parts in six different landmasses of the Southern Hemisphere. Which of the following is not a place where the counter parts of this succession are found?

  1. Africa
  2. Australia
  3. Madagascar
  4. South America
  5. Antartica
Question 14 Multiple Choice (Single Answer)

Which of the following is correct about the plate boundaries?

  1. The sites where the plates move away from each other are called diverging sites.
  2. The American Plates are separated from the Eurasian and African Plates at the pacific ridge.
  3. The location where sinking of a plate occurs is called a suction zone.
  4. Divergent boundaries are where the crust is destroyed as one plate has dived under another.
  5. Transform faults are the planes of separation generally perpendicular to the mid oceanic ridges.
Question 15 Multiple Choice (Single Answer)

Which of the following is correct?
a. A tectonic plate is a massive, irregularly-shaped slab of solid rock, generally composed of both continental and oceanic lithosphere.
b. A plate may be referred to as the continental plate or oceanic plate depending on which of the two, occupies a larger portion of the plate.
c. Pacific plate is largely a continental plate whereas the Eurasian plate may be called an oceanic plate.

  1. Only a
  2. Only b
  3. Only c
  4. Only a and b
  5. All of these
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