1. Which of the following is the value of Hubble constant?
[A] 73 kilometers per second per mega parsec
[B] 75 kilometers per second per mega parsec
[C] 77 kilometers per second per mega parsec
[D] 69 kilometers per second per mega parsec
Show Answer
Correct Answer: A [73 kilometers per second per mega parsec]
Notes:
The expansion rate of the universe is called the Hubble Constant. Currently the best measured value of the Hubble Constant is about 73 kilometers per second per mega parsec.
2. What is the number of Galilean moons of Jupiter discovered by Galileo Galilei in January 1610?
[A] 2
[B] 3
[C] 4
[D] 5
Show Answer
Correct Answer: C [4]
Notes:
Four satellites of Jupiter Io, Europa, Ganymede and Callisto are popularly referred to as the Galilean moons. This is because these moons were discovered by astronomer Galileo Galilei in January 1610.
3. Owen Falls, world’s greatest man made lake, is located in which country?
[A] Uganda
[B] Rwanda
[C] Congo
[D] Tanzania
Show Answer
Correct Answer: A [Uganda]
Notes:
Owen Falls is located in Uganda. It is the world’s largest man-made lake, holding 204,800,000,000 cubic meters of water, which is about 45 trillion gallons. The Owen Falls was a waterfall on the White Nile near the city of Jinja. In 1954, the Nalubaale Hydroelectric Power Station was completed, submerging the Owen Falls and the nearby Ripon Falls. The Nalubaale Dam, formerly the Owen Falls Dam, is 2,726 feet (831 meters) long and 102 feet (31 meters) high. It uses Lake Victoria as a reservoir. The dam was named after Dr. David Owen, the British foreign secretary at the time.
4. Which among the following country has the largest share in global mangrove areas?
[A] Indonesia
[B] Brazil
[C] Mexico
[D] Australia
Show Answer
Correct Answer: A [Indonesia]
Notes:
The nations with the largest mangrove areas include Indonesia (with 21% of global mangroves), Brazil (9%), Australia (7%), Mexico (5%), and Nigeria (5%).
5. Which among the following starts represent the Morning and Evening Stars?
[A] Mercury, Venus
[B] Venus, Mercury
[C] Venus, Venus
[D] Mercury, Mercury
Show Answer
Correct Answer: C [Venus, Venus]
Notes:
Sometimes Venus appears in the eastern sky before sunrise. Sometimes it appears in the western sky just after sunset. Therefore it is often called a morning or an evening star, although it is not a star.
6. Which among the following is the major objective of NASA’s Kepler mission?
[A] To search for habitable planets
[B] To search for earth like planets
[C] To search for alien life
[D] To search for potentially dangerous objects in space
Show Answer
Correct Answer: B [To search for earth like planets]
Notes:
The Kepler Mission is specifically designed to survey the Milky Way galaxy to discover hundreds of Earth-size and smaller planets. It is to find out habitable zone and determine the fraction of the hundreds of billions of stars in our galaxy that might have such planets.
7. Commonwealth of Nations which is normally called Commonwealth is an intergovernmental organisation of how many independent member states?
[A] 52
[B] 53
[C] 56
[D] 58
Show Answer
Correct Answer: B [53]
Notes:
The Commonwealth of Nations, is a political association of 53 member states, nearly all former territories of the British Empire. They were ruled by the British empire before getting independence.
8. Which among the following planet in Solar System has the fastest rotation?
[A] Mercury
[B] Venus
[C] Mars
[D] Jupiter
Show Answer
Correct Answer: D [Jupiter]
Notes:
Jupiter is the planet that has the fastest rotation. It has an orbital period of 12 years. It is the fifth planet from the sun.
9. The “Ninety East Ridge” is a submarine volcanic ridge located in __?
[A] Pacific Ocean
[B] Atlantic Ocean
[C] Indian Ocean
[D] Arctic Ocean
Show Answer
Correct Answer: C [Indian Ocean]
Notes:
The Ninety East Ridge is an 5500 km long, north-south-oriented, submarine volcanic ridge in the eastern Indian Ocean that formed from magmatism associated with the deep seated Kerguelen mantle plume as the Indian plate drifted rapidly northward during the Late Cretaceous.
10. Why Himalayan rivers are perennial?
[A] They flow from inexhaustible springs in the Himalayas
[B] They are fed in summer by melting snow of Himalayas
[C] There is continuous rain throughout the year in the catchment areas
[D] None of the above
Show Answer
Correct Answer: B [They are fed in summer by melting snow of Himalayas]
Notes:
The Himalayan Rivers are perennial rivers because they originate in snow covered Himalayan Mountains. They start from the glaciers that seem to melt all over the year. During summers, the snow melts and the rivers get continuous supply of water. On the contrary, the peninsular rivers depend mostly on rainfall for its supply of water and thus become dry during the summer season.
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