Science and Technology GK questions

Sr.no	Questions
1	Q1: How many planets are there in our solar system? A 10 B 9 C 8 D 7 Click here for answer Correct Answer : c Explanation: There are 8 planets in our solar system. Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune. Prior to 2006 Pluto was also considered a planet. The International Astronomical Union (IAU) formally defined the term "planet" in 2006, during their 26th General Assembly. That definition excluded Pluto and reclassified it as a dwarf planet.
2	Q2: Which planet is also known as the Red planet? A Mars B Earth C Saturn D Jupitor Click here for answer Correct Answer : a Explanation: Red Planet is a nickname for the planet Mars, due to its surface color.
3	Q3: Which planet has maximum moons or natural satellites? A Saturn B Jupitor C Uranus D Neptune Click here for answer Correct Answer : b Explanation: Of all the planets in our solar system, Jupitor has most number of moons or natural satellites. It has 69 moons.
4	Q4: Which member of our solar system has the largest size? A Jupitor B Saturn C Earth D Sun Click here for answer Correct Answer : d
5	Q5: Which is the smallest planet in our solar system? A Mercury B Mars C Jupitor D Pluto Click here for answer Correct Answer : a
6	Q6: Which planet is closest to the Sun. A Mars B Venus C Mercury D Earth Click here for answer Correct Answer : c Explanation: Mercury is the closest planet to the Sun
7	Q7: How many stars are there in our solar system? A 9 B 8 C 1 D None Click here for answer Correct Answer : c Explanation: Our solar system has only one star i.e Sun.
8	Q8: Pluto is classified as a A Planet B Dwarf Planet C Star D Asteroid Click here for answer Correct Answer : b Explanation: Prior to 2006 Pluto was also considered a planet. The International Astronomical Union (IAU) formally defined the term "planet" in 2006, during their 26th General Assembly. That definition excluded Pluto and reclassified it as a dwarf planet.
9	Q9: Which planet's ring system can be easily observed from the Earth? A Jupitor B Venus C Uranus D Saturn Click here for answer Correct Answer : d
10	Q10: Which is the closest star outside our solar system? A Alpha Centauri A B Proxima Centauri C Pole Star D North Star Click here for answer Correct Answer : a
11	Q11: The third closest planet to Sun is A Venus B Earth C Mars D Mercury Click here for answer Correct Answer : b
12	Q12: Which is the largest planet of our solar system? A Saturn B Jupitor C Earth D Mars Click here for answer Correct Answer : b Explanation: The largest planet in our solar system by far is Jupiter, which beats out all the other planets in both mass and volume. Jupiter's mass is more than 300 times that of Earth, and its diameter, at 140,000 km, is about 11 times Earth's diameter.
13	Q13: The farthest planet from Sun in our Solar system is A Jupitor B Saturn C Uranus D Neptune Click here for answer Correct Answer : d
14	Q14: Seismograph is an instrument used for A Recording intensity of earthquake shocks B Used to measure refractive index of a substance C Used for measuring electric current D Used for measuring blood pressure. E Used for measuring density of a liquid. Click here for answer Correct Answer : a
15	Q15: Galvanometer is an instrument used for A Used for measuring electrical power. B Used for detecting presence of electric charge. C Used for converting mechanical energy into electrical energy. D Used for measuring electric current. E None of these Click here for answer Correct Answer : d
16	Q16: Which was the first country to launch Artificial satellite in the space. A Russia B U.S.A C Germany D Japan E United Kingdom F France Click here for answer Correct Answer : a
17	Q17: Which continent does Brazil lie in ? A South America B North America C Africa D Europe Click here for answer Correct Answer : a
18	Q18: National amblem of which of these countries shows a Lion and sword. A India B South Africa C Nepal D Sri Lanka Click here for answer Correct Answer : d
19	Q19: Which of the following companies is the world's largest maker of computer chips ? A Intel B Microsoft C AMD D None of these. Click here for answer Correct Answer : a
20	Q20: Mercedes-Benz has it's headquarter in A U.S.A B U.K C Germany D Japan E Italy Click here for answer Correct Answer : c
21	Q21: The first spacecraft to reach Mars was A Sputnik B Appolo-12 C GSLV-5 D Viking-1 Click here for answer Correct Answer : d
22	Q22: Who was the first woman cosmonaut? A Margaret Thatcher (U.K.) B Junko Tabei (Japan) C Sunita Williams (India) D Velentina Tereshkova (Russia) Click here for answer Correct Answer : d
23	Q23: Who was the first man to fly into space ? A Yuri Gagarin (Russia) B Rakesh Sharma (India) C Neil Alden Armstrong (U.S.A) D Michael Collins (U.S.A) Click here for answer Correct Answer : a
24	Q24: What was the name of the spacecraft, that landed the first humans on moon ? A Apollo 9 B Apollo 10 C Apollo 11 D Apollo 12 E Sputnik Click here for answer Correct Answer : c
25	Q25: Neil Armstrong and Buzz Aldrin became the first humans to land on moon, on A October 26, 1979 B June 12, 1980 C April 12, 1986 D July 20, 1969 Click here for answer Correct Answer : d
26	Q26: GPS is space based satellite navigation system. GPS stands for A Global positioning system B Global pointer satellite C General positioning system D General purpose satellite system Click here for answer Correct Answer : a
27	Q27: ISRO stands for A Indian Space Research Organisation B International Space Research Organisation C International Special Research Organisation D Indian Software Research Organisation Click here for answer Correct Answer : a
28	Q28: The branch of medicine that deals with the anatomy, functions, and organic disorders of nerves and the nervous system is A Neurology B Pathology C Ophthalmology D None of these. Click here for answer Correct Answer : a
29	Q29: Global Navigation Satellite System or GlONASS has benn developed by which country? A Russia B France C United Kingdom D Germany Click here for answer Correct Answer : a Explanation: GLONASS provides an alternative to GPS and is the second navigational system in operation with global coverage and of comparable precision.
30	Q30: NASA stands for A National Aeronautics and Space Administration B North Atlantic Space Association C North American Space Administration D National Association of Space Astronauts Click here for answer Correct Answer : a
31	Q31: ROSCOSMOS is the space agency of which country? A U.S.A B Russia C India D European Union Click here for answer Correct Answer : b Explanation: The Roscosmos State Corporation for Space Activities, commonly known as Roscosmos, is the governmental body responsible for the space science program of Russia and general aerospace research.
32	Q32: The first internet search engine was A Google B Yahoo search C Bing Search D Archie Click here for answer Correct Answer : d Explanation: The first tool used for searching content on the Internet was Archie. The name stands for "archive" without the "v". It was created by Alan Emtage, Bill Heelan and J. Peter Deutsch, computer science students at McGill University in Montreal, Quebec, Canada.
33	Q33: The first subcutaneous pacemaker was built by A Graeme Ferguson B John Hopps C Graham Bell D Thomas Edison Click here for answer Correct Answer : b Explanation: The first subcutaneous pacemaker was built in 1949 by Canadian engineer John Hopps, based on observations made by two Toronto-based cardiac surgeons, Wilfred Bigelow and John Callaghan.

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