CBSE Questions for Class 8 General Knowledge India: Science And Technology Quiz 15 - MCQExams.com

• Deep geothermal energy is the natural heat found beneath the earth's surface.
• It comes from the red-hot core of our planet, the friction between rocks and the decay of radioactive elements on the earth's surface.

• United States-based aviation company Cirrus Aircraft launched the world's smallest and most affordable private jet called Vision Jet.
• It has a maximum operating altitude of 28,000 feet and takes off from just 620 meters of runway.

• The Indian Space Research Organisation launched the communication satellite GSAT-19 aboard ISRO’s heavy-lift rocket GSLV Mark-III D1.
• The GSAT-19 is an experimental geostationary communications satellite and its purpose is to act as test bed for several new technologies.
• The GSLV Mark-III D1 is the heaviest rocket ever made by India and is capable of carrying large payloads.

• Concorde was a passenger airplane that flew faster than the speed of sound. It was made by the French company Aerospatiale and the British company British Aircraft Corporation.

• The Kerala government has implemented Green Protocol for making weddings more naturally in the state. The purpose of the initiative is to reduce the use of plastic in daily life.
• With the implementation of the protocol, use of plastic and other non-degradable articles including disposable glasses and plates and thermocol decorations will be discouraged at marriage functions.

• The Indian Space Research Organisation (ISRO) successfully launched a record 20 satellites in a single mission from Satish Dhawan Space Centre in Sriharikota. The launch included foreign satellites from Germany, Canada, the US and Japan.
• The mission was historic double record for the ISRO’s workhorse PSLV C34 as it inserted a record number of 20 satellites into space and also proved to be reliable for double ignition while in space to take multiple satellites into different orbital heights in a single mission.

• The world’s first self-driving taxi service was launched in Singapore.
• It was launched by Singapore based nuTonomy, an autonomous vehicle software startup. With this nuTonomy became entity in the world first to offer self-driving taxi rides to the public.

• The Android operating system, introduced in February 2009, runs on all Android smartphones and tablets. Each version of the OS has a corresponding number and a dessert name appended to it.
• Android 7.0 was the 7th major version and was called Nougat.

• Kepler is part of NASA's Discovery Program designed to survey a portion of our region of the Milky Way to discover Earth-size exoplanets in or near habitable zones and estimate how many of the billions of stars in the Milky Way have such planets. 
• The primary goal is to determine the frequency of Earth-size and larger planets in the HZ (Habitable Zone) of solar-like stars.

• NASA's Kepler mission has discovered 11 new planetary systems hosting 26 confirmed planets. 

• In 1971, the Mariner 9 spacecraft became the first spacecraft to orbit another planet. While in orbit, Mariner 9 mapped 85 percent of the Martian surface, an objective it inherited from the failed Mariner 8 mission, and collected valuable information about Mars' surface and atmosphere.
• The Mariner 9 mission resulted in a global mapping of the surface of Mars, including the first detailed views of the martian volcanoes, the polar caps, and the satellites Phobos and Deimos.

• Researchers at NASA's Johnson Space Center (JSC), in collaboration with General Motors and Oceaneering, have designed a state-of-the-art, highly dexterous, humanoid robot: Robonaut 2 (R2). 
• R2 is made up of multiple component technologies and systems viz. vision systems, image recognition systems, sensor integrations, tendon hands, control algorithms, and much more. It is an advancement over Robonaut 1 and was sent to the International Space Station to help astronauts with various tasks.

• NASA’s Orion spacecraft is built to take humans farther than they’ve ever gone before. Orion will serve as the exploration vehicle that will carry the crew to space, provide emergency abort capability, sustain the crew during the space travel, and provide safe re-entry from deep space return velocities.
• The mission will pave the way for flights with astronauts beginning in the early 2020s.

• The International Astronomical Union (IAU) was founded in 1919. Its mission is to promote and safeguard the science of astronomy in all its aspects, including research, communication, education and development, through international cooperation. 
• It is a worldwide society of professional astronomers and is considered the authority for assigning names to celestial objects, whether they are planets or moons or other types of worlds, as well as surface features on them. The IAU collaborates with various scientific organizations all over the world.

• The Ministry of Earth Science (MoES) inaugurated the high performance computer system (HPC) or supercomputer 'Mihir' at National Centre for Medium Range Weather Forecasting (NCMRWF), Noida.
• This computer will provide facility for improving weather/climate forecasts.

• NuSTAR is a NASA-funded small explorer mission that carries the first focusing hard X-ray telescope to orbit. 
• NuSTAR will carry out a two-year primary science mission that focuses on black holes. 
• It will also offer opportunities for a broad range of science investigations, ranging from probing cosmic ray origins to studying the extreme physics around collapsed stars to mapping microflares on the surface of the sun. 

• Joseph Priestley was hugely productive in research and widely notorious in philosophy. He invented carbonated water and the rubber eraser, identified a dozen key chemical compounds, and wrote an important early paper about electricity. 
• He found that air is not an elementary substance, but a composition, or mixture, of gases. The world recalls Priestley best as the man who discovered oxygen, the active ingredient in our planet's atmosphere.

Bluetooth was  named after a Norse king, this wireless technology standard enables the exchange of data over short distances, from fixed and mobile devices, using short-wavelength UHF radio waves.

• The Mangalyaan mission is one of the cheapest interplanetary space missions ever launched and puts India on a par with the US, Russia and the European Space Agency, which have also sent spacecraft to Mars. 
• By putting the Mars Orbiter Mission (MOM) in orbit around Mars, India became the first nation to successfully put a satellite into orbit around Mars on its first attempt. 
• The objectives of the MOM are to study Mars’ surface features, mineral compositions and atmospheric conditions using indigenously developed instruments.

PSLV-C37 was the 39th mission of the Indian  (PSLV) program. PSLV-C37 successfully carried and deployed a record 104 satellites. It was launched on 15 February 2017 by the Indian Space Research Organisation (ISRO) from the Space center at Sriharikota at Andrapradesh.