World & Physical Geography MCQs
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.
11. Which of the following is not favourable for the formation of deltas?
[A] Calm winds
[B] Currents and tides
[C] Sheltered coast
[D] No large lakes in the river course
Show Answer
Correct Answer: B [Currents and tides]
Notes:
Conditions favourable for the formation of the Deltas:
• Active vertical and lateral erosion in the upper course of the river to provide extensive sediments to be eventually deposited as deltas.
• The sea adjoining the delta should be shallow or else the load will disappear in the deep waters.
Conditions not favourable for Delta formation:
• Tides
• Strong and regular currents
12. From which of the following Pumice is derived?
[A] Volcanic rock
[B] Sedimentary rock
[C] Igneous rock
[D] Acid lava
Show Answer
Correct Answer: A [Volcanic rock]
Notes:
The vesicles are actually gas bubbles that were trapped in the rock during the rapid cooling of a gas-rich frothy magma. The material cools so quickly that atoms in the melt are not able to arrange themselves into a crystalline structure. Thus, pumice is an amorphous volcanic glass known as a “mineraloid.”
13. Which archipelago has the largest number of islands, islets, reefs and cays?
[A] Archipelago Sea
[B] Norwegian Archipelago
[C] Malay Archipelago
[D] Great Barrier Reef
Show Answer
Correct Answer: B [Norwegian Archipelago]
Notes:
Norwegian Archipelago is the largest archipelago in the world in terms of the number of islands as it comprises at least 2,40,000 islands, islets, coral reefs and cays. It is located off the coast of Norway in northern Europe.
14. The Archipelago Sea is is part of __?
[A] Mediterranean Sea
[B] Red Sea
[C] Baltic Sea
[D] North Sea
Show Answer
Correct Answer: C [Baltic Sea ]
Notes:
The Archipelago Sea is a part of the Baltic Sea, located within the boundaries of Finnish territorial water. It is of roughly triangular shape and the tips of the triangles are Finnish cities.
15. What is parsec used to measure?
[A] Speed
[B] Velocity
[C] Distance
[D] Time
Show Answer
Correct Answer: C [Distance ]
Notes:
A Parsec is a PARallax of one arcSECond. It is a unit of distance used in astronomy to measure the vastness of space and is equal to about 3.26 light years.
16. The stars are mostly composed of which elements?
[A] Hydrogen and Nitrogen
[B] Hydrogen and Helium
[C] Hydrogen and oxygen
[D] Nitrogen and Helium
Show Answer
Correct Answer: B [Hydrogen and Helium]
Notes:
Stars are big exploding balls of gas, mostly made of hydrogen and helium. They shine by burning hydrogen and helium in their cores.
17. At which plate boundaries do rift valleys and ocean ridges occur?
[A] Convergent
[B] Divergent
[C] Transform
[D] None of the above
Show Answer
Correct Answer: B [Divergent]
Notes:
Divergent Plate boundaries are boundaries where plates move away from each other. Rift valleys and ocean ridges form at these boundaries.
18. What are Stratovolcanoes also called?
[A] Shield volcanoes
[B] Composite volcanoes
[C] Supervolcanoes
[D] Volcanic cones
Show Answer
Correct Answer: B [Composite volcanoes]
Notes:
Composite volcanoes also called as Stratovolcanoes are built of many layers of hardened lava. E.g Krakatoa, Indonesia.
19. Which among the following Volcanoes is not an active volcano?
[A] Mt. Vesuvius
[B] Mt. Etna
[C] Mt. Kilimanjaro
[D] Mauna Kea
Show Answer
Correct Answer: C [Mt. Kilimanjaro ]
Notes:
Mt. Kilimanjaro in Africa is an example of extinct volcano. Active volcanoes are the ones that have erupted in the recent past.
20. Which among the given processes of weathering is common in iron rich rocks?
[A] Oxidation
[B] Hydrolysis
[C] Solution
[D] Carbonation
Show Answer
Correct Answer: A [Oxidation]
Notes:
Chemical weathering involves a decomposition of rock through a chemical change in its composition.
Oxidation as a process of weathering is common in iron rich rocks.
