Science & Tech (UPSC)
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Q. A biotech company has a growth rate of 15% per year. If the initial investment is $10,000, what will be the value after 3 years?
Q. A certain enzyme works optimally at a pH of 7.5. If the pH is decreased by 1 unit, what is the new pH level?
Q. A comet travels around the sun in an elliptical orbit. If the semi-major axis of the orbit is 4 AU (Astronomical Units), what is the approximate distance of the comet from the sun at its farthest point?
Q. A gene therapy treatment costs $50,000 per patient. If a hospital treats 15 patients, what is the total cost?
Q. A laboratory has 3 bioreactors. If each bioreactor can process 200 liters of culture, what is the total capacity of the laboratory?
Q. A researcher needs to dilute a 10M solution to a 1M solution. If they take 100 mL of the 10M solution, how much water should they add?
Q. A satellite completes one orbit around the Earth in 90 minutes. How many orbits does it complete in 24 hours?
Q. A satellite orbits the Earth at a height of 500 km. If the radius of the Earth is approximately 6,371 km, what is the total distance from the center of the Earth to the satellite?
Q. A space probe travels to Mars, which is 225 million km away. If it travels at a speed of 45,000 km/h, how long will it take to reach Mars in days?
Q. A space shuttle can carry 7 astronauts. If there are 35 astronauts waiting for a mission, how many trips does the shuttle need to make?
Q. How did the Space Race influence international relations during the Cold War? (1960)
Q. If a biotechnologist can produce 500 liters of a culture in 10 hours, how many liters can they produce in 25 hours at the same rate?
Q. If a certain bacteria doubles in number every 30 minutes, how many bacteria will there be after 2 hours if you start with 100 bacteria?
Q. If a computer has a RAM of 8 GB, how many bytes does it have?
Q. If a computer's clock speed is 3 GHz, how many cycles does it perform in one second?
Q. If a DNA sequence has 20% adenine (A), what percentage of cytosine (C) would you expect it to have, assuming equal amounts of A-T and G-C pairs?
Q. If a file size is 2 GB, how many kilobytes is that?
Q. If a planet takes 365 days to orbit the sun, how many orbits will it complete in 10 years?
Q. If a plasmid can carry a maximum of 10,000 base pairs, how many plasmids are needed to carry a gene that is 50,000 base pairs long?
Q. If a rocket launches at an angle of 30 degrees to the horizontal and reaches a height of 1,000 meters, what is the horizontal distance covered by the rocket?
Q. If a spacecraft can carry 5 tons of cargo and needs to deliver supplies to a space station every 2 weeks, how many tons of cargo can it deliver in a year?
Q. If a spaceship travels at a speed of 20,000 km/h, how far will it travel in 3 hours?
Q. If the speed of light is approximately 300,000 km/s, how far does light travel in 10 seconds?
Q. In a fermentation process, if 2 kg of glucose produces 1.5 kg of ethanol, how much ethanol will be produced from 8 kg of glucose?
Q. In a network, if the bandwidth is 100 Mbps, how many megabytes can be transferred in 10 seconds?
Q. In which year was the first genetically modified organism (GMO) created? (1973)
Q. The concept of 'Artificial Intelligence' was first introduced in which decade? (1956)
Q. The development of the printing press in the 15th century is most closely associated with which individual?
Q. The discovery of penicillin, which marked a significant advancement in medicine, was made by which scientist? (1928)
Q. The first successful personal computer was introduced by which company? (1977)