Practice Science and technology Questions and Answers

• Which of the following organisations launched a special programme called 'Young Scientist Programme ?'
• In which part of the body is cornea and the retina found?
• What is the other name for conventional source of energy?
• For domestic wiring purposes, how are circuits connected?
• How does a bulb glow when the switch is turned on?
• Rustom-2 is a/an __________ developed by India's Defence Research and Development Organisation (DRDO).
• In which of the following cities has ISRO launched Human Space Flight Centre in 2019?
• Which instrument is commonly used to measure the depth of water bodies?
• Who predicted the existence of the plunging region around black holes?
• Rifting typically occurs at which type of tectonic boundary?
• What is the scientific name of rice? 
• Who discovered Penicillin?
• A fluorescent tube is a type of gas discharge lamp that uses which gas to produce visible light?
• The Earth rotates on its axis from ____ to ____.
• Which company launched the inaugural batch of satellites with "Direct-to-Cell" technology?
• Which of the following statements about asteroids is INCORRECT? (I) Total mass of all the asteroids in the main asteroid belt combined is more than that of...
• Through which launch vehicle did ISRO deploy an Earth Observation Satellite in August 2024?
• What is the dominant component of Earth's atmosphere?
• Which statement is incorrect regarding the atmospheric layers and their characteristics?
• What is the shape of the Milky Way galaxy?
• Where did the infamous Black Hole Tragedy occur?
• Why do pulsars appear to flicker when observed from Earth?
• Which enzyme is pivotal in blood clotting?
• On which day does the difference between day and night lengths reach its maximum?
• Which element is most abundant by mass in the earth's crust?
• Identify the most abundant metal in the earth's crust.
• How many satellites of the Indian Regional Navigation Satellite System (IRNSS) are currently operational? 
• Which name is commonly used for "Sirius," the brightest star visible outside our solar system? 
• What is the pH level of distilled water? 
• In the context of air pollution measurements, what does "PM2.5" refer to? 
• Who was the third astronaut to travel to the Moon alongside Neil Armstrong and Buzz Aldrin? 
• Which of the following is the largest natural satellite in our solar system?  
• What was the original name given to the planet Uranus? 
• Approximately how old is the Sun? 
• How long does it take for sunlight to travel from the Sun to Earth? 
• What is the term for the Moon's orbit around the Earth with respect to the stars? 
• What is the scientific study of stars, planets, and space called? 
• Which moon is the smallest in the solar system? 
• Who is credited with the discovery of the neutron particle in an atom?  
• RHEA and TETHYS are names of which celestial bodies