Q. Who discovered Penicillin?
1) Alexander Fleming
2) Joseph Lister
3) Robert Koch
Q. It is reported that there is an ongoing decrease in the pH value of ocean water because of global warming. It happens due to -
1) Lesser uptake of atmospheric nitrogen by ocean water.
2) Larger uptake of CO2 by ocean water.
3) Larger uptake of atmospheric nitrogen by ocean water.
4) Lesser uptake of CO2 by ocean water.
Q. In which one of the following years was the first telegraphic connection established between Europe and India?
Q. Which of the following environmental events is observed by switching off all lights at homes, business establishments, landmarks, and so on for an hour?
1) World Environment Day
2) Earth Hour
3) Earth Charter
4) Earth Day
Q. India's maiden human space mission will be launched in 2023. What is its name?
Q. The terms 'Pinaka and Smerch' mentioned in news recently refer to -
1) Cruise missiles
2) Nuclear-powered submarines
3) Rocket launcher systems
4) Weaponized drones
Q. Which one of the following statements is correct regarding LOFAR (Low-Frequency Array)?
1) It is the world's most powerful radio antenna
2) It is a space technology launched by NASA to discover exoplanets
3) It is an arrangement of satellites in space for the purpose of creating a Satellite Navigation System
4) It is a wireless communication technology for 5G services
Q. Which one of the following is an exhaustible but renewable natural resource?
1) Solar energy
2) Water in usable conditions
4) Landscape in the natural condition
Q. Which one of the following is the most important factor for the formulation of smog?
1) Long winter nights
2) Formation of an 'inversion lid'
3) Presence of many air pollutant resources
4) Rapid fall in temperature with increasing height above the sea level
Q. Indian Gandhi Centre for Atomic Research , Kalpakkam is located in -
2) Tamil Nadu
3) Andhra Pradesh
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