1. Who among the following proposed Helio-centric model of solar system?
[A] Copernicus
[B] Ptolemy
[C] Aristotle
[D] Strabo
Show Answer
Correct Answer: A [Copernicus]
Notes:
Copernicus proposed Helio-centric model. According to this model, sun stands at the center of the universe, and Moon, the Earth, and remaining planets revolve around the sun.
2. Which country has highest air pollution among all European Union (EU) countries?
[A] Poland
[B] Bosnia and Herzegovina
[C] Greece
[D] Germany
Show Answer
Correct Answer: B [Bosnia and Herzegovina]
Notes:
Eastern European and Balkan countries experience the highest rates of air pollution in the European Union. Particularly, Bosnia and Herzegovina, Bulgaria, Albania, and Ukraine have the most significant mortality rates attributed to air pollution in the region. These countries also record the highest average annual levels of city air pollution, with Bosnia and Herzegovina being the most affected.
3. What is the name of Earth’s first super continent?
[A] Pangea
[B] Vaalbara
[C] Gondwana
[D] Columbia
Show Answer
Correct Answer: B [Vaalbara]
Notes:
The earth is 4700 million years old and the earliest super continent Vaalbara started forming around 3600 million years ago.
4. World’s longest estuary is made by which river?
[A] Amazon River
[B] Ob River
[C] Nile River
[D] Ganga River
Show Answer
Correct Answer: B [Ob River]
Notes:
The Gulf of Ob is the world’s longest estuary. It’s located in the Arctic Ocean at the mouth of the Ob River in northern Russia. The Gulf of Ob is roughly 1,000 km long and 50–80 km wide. It’s also the migration ground for Beluga whales. The Ob River is one of three great Siberian rivers that flow into the Arctic Ocean. The other two are the Yenisei River and the Lena River. The Ob River forms 25 km (16 mi) southwest of Biysk in Altai Krai at the confluence of the Biya and Katun rivers. The main city on its banks is Novosibirsk, the largest city in Siberia, and the third-largest city in Russia.
5. Which among the following is the most important character of the ‘Goldilocks Zone ‘ of the space?
[A] It is a small region which is extremely hot and presence of most elements in vapor state
[B] It is small region of the space which is extremely cold
[C] It is a region of space which is neither too hot nor too cold and has conditions which are a must for life
[D] It is a region of space which is characterized by a lot of asteroids
Show Answer
Correct Answer: C [It is a region of space which is neither too hot nor too cold and has conditions which are a must for life]
Notes:
Goldilock region is the space which is neither too hot nor too cold and has conditions which are a must for life. So the Goldilock zone is a habitable zone.
6. On which of the following dates, the amplitude of the tides would be maximum?
[A] January 3, New Moon
[B] January 3, Moon in second quarter
[C] July 6, Full Moon
[D] December 21, New moon
Show Answer
Correct Answer: A [January 3, New Moon]
Notes:
On New Moon or Full moon, the tides will have higher amplitude. In the given dates, on January 3, Earth is at perihelion. This means that Earth on January 2 0r 3 is at closest distance from Sun. So, the tide would be highest in the year on Perihelion-New Moon. This spring tide would be the highest in the entire year.
7. Which of the following correctly describes the so called “harvest moon”?
[A] full moon closest to the autumnal equinox
[B] new moon closest to the vernal equinox
[C] full moon closest to vernal equinox
[D] new moon closest to autumnal equinox
Show Answer
Correct Answer: A [full moon closest to the autumnal equinox]
Notes:
The “harvest moon” is a traditional term for the full moon occurring during autumn, in the northern hemisphere usually on September 22 or 23.
8. Which among the following are three major classification of rocks?
[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.
9. Kurds who have been fighting for a separate homeland live mainly in Iraq and which of the following countries?
[A] Iran and Turkey
[B] Iran, Turkey and Jordan
[C] Iran, Jordan and Saudi Arabia
[D] Turkey and Jordan
Show Answer
Correct Answer: A [Iran and Turkey]
Notes:
The Kurdish people live in the historical Kurdistan region, which today is split between Iran, Iraq, and Turkey The estimated population is 35 million.
10. Consider the following countries:
- Brazil
- Indonesia
- Japan
- Russia
What is the descending order of the size of the following countries population wise?
[A] Indonesia, Brazil, Japan, Russia
[B] Brazil, Indonesia, Japan, Russia
[C] Japan, Indonesia, Brazil, Russia
[D] Russia, Japan, Indonesia, Brazil
Show Answer
Correct Answer: A [Indonesia, Brazil, Japan, Russia]
Notes:
As of current demographics, Indonesia has the highest population followed by Brazil, Japan, and Russia in descending order.