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. Who among the following formulated Nebular theory?
[A] Laplace
[B] Newton
[C] Kepler
[D] Ptolemy
Show Answer
Correct Answer: A [Laplace]
Notes:
Nebular theory was formulated by Laplace which describes the formation of the Sun and solar system. Laplace along with his colleague John Michel, introduced the idea of a “dark star,” which later came to be called as black hole.
2. Which of the following rocks have layered like structure?
[A] Igneous Rocks
[B] Metamorphic Rocks
[C] Sedimentary Rocks
[D] Extrusive igneous rocks
Show Answer
Correct Answer: C [Sedimentary Rocks]
Notes:
Sedimentary rocks are formed by the successive deposition of sediments. Therefore they have layered or stratified structure. These rocks are also known stratified rocks.
Sandstone, shale, limestone and dolomite are some of the examples of Sedimentary rocks.
3. Which of the following observations about Equinox is / are correct?
- It occurs twice a year
- The length of day and night is nearly equal all over the world
- Equinox marks the transition from winter to spring all over world
Select the correct option from the codes given below:
[A] Only 1
[B] 1 & 2
[C] 2 & 3
[D] 1, 2 & 3
Show Answer
Correct Answer: B [1 & 2]
Notes:
- The equinox occurs twice a year, around March 20th and September 22nd, when the tilt of the Earth’s axis is not inclined towards or away from the sun.
- On the day of the equinox, the center of the sun and the Earth’s equator are in the same plane. This alignment causes the sun’s rays to shine directly on the equator, leading to nearly equal periods of day and night all over the world.
- During the equinox, the sun rises due east and sets due west, its rays shining directly on the equator.
- The equinox marks the transition from winter to spring in the northern hemisphere and from summer to autumn in the southern hemisphere.
4. Which among the following is formed by the process of Lithification?
[A] Granite
[B] Basalt
[C] Marble
[D] Feldspar
Show Answer
Correct Answer: D [Feldspar]
Notes:
Lithification gives rise to sedimentary rocks. Out of the above, only Feldspar is a sedimentary rock.
5. Leap second is always ____ ?
[A] positive one-second adjustment
[B] negative one-second adjustment
[C] positive or negative one-second adjustment
[D] two second adjustment
Show Answer
Correct Answer: C [positive or negative one-second adjustment]
Notes:
A leap second is a one-second adjustment that is occasionally applied to Coordinated Universal Time. It is to accommodate the difference between precise time and imprecise observed solar time.
6. Which among the following Island countries is the only country in the world to be a member of African Union, Francophonie, Organization of the Islamic Conference, Arab League and Indian Ocean Commission ?
[A] Comoros
[B] Mauritius
[C] Bahrain
[D] Madagascar
Show Answer
Correct Answer: A [Comoros]
Notes:
The Comoros is a volcanic archipelago off Africa’s east coast, in the warm Indian Ocean waters of the Mozambique Channel. It is the only country in the world to be a member of African Union, Francophonie, Organization of the Islamic Conference, Arab League and Indian Ocean Commission.
7. “The weather hardly changes from one day to the next. Morning is clear. Then, the Sun starts heating up the ground and warm, humid air starts to rise. In the afternoon clouds get blacker and there are convectional rains for an hour or two before it starts to clear up again. This patterns remains for most parts of the year”.
The above quotation is taken from a traveller’s diary, who wrote this most probably at __?
[A] Singapore
[B] Geneva
[C] Shanghai
[D] Mumbai
Show Answer
Correct Answer: A [Singapore]
Notes:
Afternoon rains are a feature of equatorial environment. Out of the given options, Singapore is characterized by a hot and humid climate. Located just 1 degree north of the equator, it quite naturally enjoys a tropical/equatorial climate. The island does not have clear-cut seasons like summer, spring, autumn and winter. The weather is warm and humid all year round. Rainfall is almost an everyday phenomenon, even during the non-monsoon period. These brief showers are usually quite refreshing, as they provide respite from the sun.
8. What is the full form of ITCZ?
[A] Inter tropical centre zone
[B] Inter tropical converter zone
[C] Inter tropical community zone
[D] Inter tropical convergence zone
Show Answer
Correct Answer: D [Inter tropical convergence zone]
Notes:
The Intertropical Convergence Zone, known by sailors as the doldrums or the calms, is the area encircling Earth near the Equator, where the northeast and southeast trade winds converge.
9. Which among the following are three major classification of rocks? (UPSC Prelims 1982)
[A] Marble, limestone, igneous
[B] Igneous, limestone, mica
[C] Igneous, marble, sedimentary
[D] Igneous, sedimentary and metamorphic
Show Answer
Correct Answer: D [Igneous, sedimentary and metamorphic]
Notes:
The three main types of rock are sedimentary, metamorphic, and igneous. Every rock has characteristics that reflect its process of formation; these are used to determine whether the rock is igneous, sedimentary or metamorphic. For example, a rock with rounded grains cemented together is sedimentary, while one with a strong banding and orientation of minerals is metamorphic.
10. Which one of the following east flowing rivers of India has rift valley due to down warping? (UPSC Prelims 1998)
[A] Damodar
[B] Mahanadi
[C] Sone
[D] Yamuna
Show Answer
Correct Answer: B [Mahanadi]
Notes:
Damodar is a east flowing river with rift valley due to down warping. Down warp denotes a segment of the earth’s crust that is broadly bent downward.
