Which one of the following is a major plate ?
- A.Pacific Plate
- B.Cocos Plate
- C.Arabian Plate
- D.Philippine Plate
Correct answer
Explanation
The correct answer is A, Pacific Plate. The Pacific Plate is one of the seven major lithospheric plates and the largest of them all.
The earth's lithosphere is broken into rigid plates that move over the softer asthenosphere. The seven major plates usually listed are the Pacific, North American, South American, Eurasian, African, Indo-Australian and Antarctic plates. The Pacific Plate lies almost wholly under the ocean, and its edges are marked by the Ring of Fire, a belt of volcanoes and earthquakes that circles the Pacific. Besides these, there are several minor plates, which are smaller pieces wedged between the large ones.
B is wrong because the Cocos Plate is a minor plate off the western coast of Central America. C is wrong because the Arabian Plate is a minor plate that holds most of the Arabian Peninsula. D is wrong because the Philippine Plate is a minor oceanic plate east of the Philippines.
Exam tip: minor plates to remember are Cocos, Nazca, Arabian, Philippine, Caroline, Fuji and the Caribbean plate.
Practice Questions
View allWhich one among the following states was NOT impacted by the Land Boundary Agreement Treaty between India and Bangladesh (2015)?
- A.West Bengal
- B.Assam
- C.Tripura
- D.Arunachal Pradesh
Show answer
Arunachal Pradesh does not share a border with Bangladesh, so the 2015 land boundary settlement did not touch it.
Read the full explanation →Which one of the following is found in appreciable amount in Laterite soil in India ?
- A.Calcium
- B.Phosphate
- C.Potash
- D.Nitrogen
Show answer
Indian laterite soils are poor in organic matter, nitrogen, phosphate and calcium, while iron oxide and potash are present in excess.
Read the full explanation →A large body of magmatic material that cools in the deeper depth of the Earth’s crust and develops in the form of large domes is known as
- A.Batholiths.
- B.Lacoliths.
- C.Lopoliths.
- D.Phacoliths.
Show answer
A batholith is a huge mass of magma that cools and hardens deep inside the crust, usually as granite, and takes the form of large domes.
Read the full explanation →Nisarga, Gati, Nivar, Tauktae and Yaas are names of
- A.new fighter aircrafts
- B.tourist places
- C.weather stations
- D.cyclones
Show answer
All five are tropical cyclones of the North Indian Ocean, named from the list kept by the WMO/ESCAP Panel on Tropical Cyclones.
Read the full explanation →Which one of the following is found in the innermost part of the Earth ?
- A.Conrad discontinuity
- B.Moho discontinuity
- C.Guttenberg discontinuity
- D.Lehmann discontinuity
Show answer
It separates the liquid outer core from the solid inner core at a depth of about 5,150 km, making it the deepest of the four boundaries.
Read the full explanation →