World Geography Questions (MCQs) for UPSC, State PCS and SSC Examinations
World Geography Multiple Choice Questions (MCQs) Quiz for State and UPSC Civil Services Examinations. Objective Questions on Physical Geography and World Geography for competitive examinations.
31. The phenomena of red-shift is related to which of the following ?
[A] The universe is steady
[B] The universe is expanding
[C] The universe is contracting
[D] The universe is moving
Show Answer
Correct Answer: B [The universe is expanding ]
Notes:
The phenomena of Red Shift explains how light changes as objects in space such as stars move. It is an important concept to explain the process of expansion of the universe.
32. Which is the first molecule formed in the Universe after the Big Bang?
[A] Helium Hydride
[B] Aluminium monoflouride
[C] Silicon Carbonitride
[D] Isocyanogen
Show Answer
Correct Answer: A [Helium Hydride]
Notes:
Helium hydride ion (HeH+) or helonium was the first molecule formed after the Big Bang event. The ionised hydrogen and helium atoms reacted to form HeH+
33. Who among the following discovered the largest moon of Saturn – Titan?
[A] Galileo
[B] Christiaan Huygens
[C] Nicholas Copernicus
[D] F. Hoyle
Show Answer
Correct Answer: B [Christiaan Huygens]
Notes:
One of the greatest scientist of his times, Christiaan Huygens is known for his study of the rings of saturn and the discovery of its largest moon – Titan.
34. What is the average distance of the Moon from the earth?
[A] 434800 km
[B] 443800 km
[C] 384400 km
[D] 843400 km
Show Answer
Correct Answer: C [384400 km]
Notes:
The average distance between the Earth and the Moon is 384400 km.
35. What is the largest division of the geologic time scale?
[A] Eon
[B] Era
[C] Epoch
[D] Period
Show Answer
Correct Answer: A [Eon ]
Notes:
Eon is the largest division of the geologic time scale, spanning from hundreds to thousands of millions of years.
36. Which Era continues even today?
[A] Cenozoic
[B] Mesozoic
[C] Paleozoic
[D] Neoproterozoic
Show Answer
Correct Answer: A [Cenozoic]
Notes:
The Cenozoic Era began 65 million years ago and continues even today.
37. Which among the following statements is/are correct?
- The outer core is in liquid state
- The inner core is in solid state
Select the correct code from the options given below:
[A] Only 1
[B] Only 2
[C] Both 1 & 2
[D] Neither 1 & 2
Show Answer
Correct Answer: C [Both 1 & 2]
Notes:
The outer core comprises of melted metals of nickel and iron. It is in liquid state. The inner core has high temperature and pressure, so that all the metals are squeezed together. the inner core is in solid state.
38. Which layer has the lowest density among all the layers of the Earth’s crust?
[A] Sial
[B] Sima
[C] Nife
[D] outer core
Show Answer
Correct Answer: A [Sial]
Notes:
The Sial is the uppermost layer of the earth’s crust. It has the lowest density among all the layers. It’s density ranges from 2.75 and 2.90
39. What is the percentage of the sedimentary rock cover of the Continents of the earth’s surface?
[A] 73 %
[B] 5 %
[C] 25 %
[D] 50 %
Show Answer
Correct Answer: A [73 %]
Notes:
Sedimentary rocks makeup only 8 % of the volume of Earth’s crust. And the percentage of the sedimentary rock cover of the continents is almost 73 % of the earth’s surface.
40. Which among the following rocks contain fossils?
[A] Plutonic rocks
[B] Igneous rocks
[C] Sedimentary rocks
[D] Metamorphic rocks
Show Answer
Correct Answer: C [Sedimentary rocks]
Notes:
Sedimentary rocks contain fossils, as they form at a temperature and pressure which does not destroy the fossils.
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