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.
1. Pedology is the study of:
[A] Oceans
[B] Soils
[C] Mountains
[D] Land froms
Show Answer
Correct Answer: B [Soils]
Notes:
Study of soils is known as Pedology.
2. Which of the following rocks are known as Plutonic rocks?
[A] Deep seated Intrusive Igneous
[B] Shallow depth intrusive rocks
[C] Sedimentary Rocks
[D] Extrusive igneous rocks
Show Answer
Correct Answer: A [Deep seated Intrusive Igneous]
Notes:
Extrusive igneous rocks are formed by cooling of lava on the earth’s surface. Extrusive igneous rocks are also called volcanic rocks.
Intrusive igneous rocks are formed when magma solidifies below the earth’s surface.
Deep seated intrusive rocks are termed as plutonic rocks.
Shallow depth intrusive rocks are termed as hypabyssal.
3. What is the reason behind high tides? (UPSC Prelims 1986)
[A] Gravitational pull of the moon and the sun
[B] Gravitational pull of the sun
[C] Centrifugal, centripetal and gravitational pull of the sun
[D] Centrifugal, centripetal and gravitational pull of the sun and the moon
Show Answer
Correct Answer: A [Gravitational pull of the moon and the sun]
Notes:
High tides and low tides are caused by the moon. The moon’s gravitational pull generates something called the tidal force. The tidal force causes Earth and its water to bulge out on the side closest to the moon and the side farthest from the moon. When you’re not in one of the bulges, you experience a low tide.
4. Which of the following clearly define a meteor? (UPSC Prelims 1995)
[A] A rapidly moving star
[B] a piece of matter which has entered the earth’s atmosphere from outer space
[C] part of a constellation
[D] a comet without a tail
Show Answer
Correct Answer: B [a piece of matter which has entered the earth’s atmosphere from outer space]
Notes:
A meteor is a meteoroid or a particle broken off an asteroid or comet orbiting the Sun. It burns up as it enters the Earth’s atmosphere, creating the effect of a “shooting star”. Meteoroids that reach the Earth’s surface without disintegrating are called meteorites.
5. Which of the following is the largest island of Indonesia?
[A] Java
[B] Sulawesi
[C] Sumatra
[D] Bali
Show Answer
Correct Answer: C [Sumatra]
Notes:
Sumatra is the largest island of Indonesia. It is located in the Indian Ocean. Sumatra is the sixth largest island in the world and one of the major islands of the Sunda group of islands.
6. Which of the following gulf is the northernmost border of the Pacific Ocean?
[A] Gulf of Alaska
[B] Gulf of Bahrain
[C] Persian Gulf
[D] Gulf of Mexico
Show Answer
Correct Answer: A [Gulf of Alaska]
Notes:
The Gulf of Alaska forms the northernmost border of the Pacific Ocean. It is also the third largest gulf in the world. It encompasses almost half of the islands in Alaska. Its shoreline is a combination of forest, mountain and a number of tidewater glaciers.
7. Which is the largest blackwater river in the world?
[A] Zambezi River
[B] Nile River
[C] Rio Negro River
[D] Murray River
Show Answer
Correct Answer: C [Rio Negro River]
Notes:
The Rio Negro river is the largest blackwater river in the world. It is also known as Guainia River. It is also the largest left tributary of the Amazon River. It flows through the countries of Colombia, Venezuela and Brazil.
8. Which is the longest river that runs entirely in Brazil?
[A] Sao Francisco River
[B] Rio Negro River
[C] Tocantins River
[D] Madeira River
Show Answer
Correct Answer: A [Sao Francisco River]
Notes:
The Sao Francisco River is the longest river that flows entirely in the territory of Brazil. It is about 2,914 km long and is the fourth longest River in South America.
9. Who propounded the Big Bang Theory?
[A] Dr. Allen Sundes
[B] Thomas Gold
[C] Abbe Georges Lemaitre
[D] Herman Bondy
Show Answer
Correct Answer: C [Abbe Georges Lemaitre]
Notes:
Abbe Georges Lemaitre, a Belgian astronomer and cosmologist proposed the Big Bang Theory which explains the Origin of the Universe.
10. What is the bubble like region in the interstellar medium known as ?
[A] Chromosphere
[B] Heliosphere
[C] Photosphere
[D] Corona
Show Answer
Correct Answer: B [Heliosphere ]
Notes:
The heliosphere is the bubble like region of the space, within which plasma is blown outwards from the sun.