Practice Science and technology Questions and Answers

• 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
• A deficiency in vitamin B complex can cause which of the following conditions? 
• Which planet in our solar system has no atmosphere at all? 
• What laid the foundation for the Modern Education System in India?
• What is the name of the indigenously built lander of ISRO's Mission Chandrayaan-3?
• Which principle allows chalk to write on a blackboard?
• What is the primary cause of acid rain?
• Which gas is commonly used for the artificial ripening of fruits?
• Compressed natural gas (CNG) primarily consists of which component?
• Which canal links the Atlantic and Pacific Oceans?
• What causes tetanus?
• What is the zoological name for the common housefly?
• At what angle is a pendulum's equilibrium position defined?
• What are the initial symptoms of Mpox?
• What does a slow decline in barometric pressure typically indicate?
• Who discovered the Rh factor in blood in the year 1940?
• Who discovered the antibiotic streptomycin, used to treat TB?
• What causes the permanent hardness of water?
• Which Pigment is Responsible for Giving Plants Their Green Color?
• Which of the following correctly describes the features of Tribo-Electric Nanogenerator (TENG) technology?
• Who pioneered the development of electroencephalography?