What Galileo invented?

• A. Barometer
• B. Pendulum clock
• C. Microscope
• D. Thermometer

What is the name of the CalTech seismologist who invented the scale used to measure the magnitude of earthquakes?

• A. Charles richter
• B. Hiram walker
• C. Giuseppe mercalli
• D. Joshua rumble

When was barb wire patented?

• A. 1874
• B. 1840
• C. 1895
• D. 1900

Which scientist discovered the radioactive element radium?

• A. Isaac newton
• B. Albert einstein
• C. Benjamin franklin
• D. Marie curie

What J. B. Dunlop invented?

• A. Pneumatic rubber tire
• B. Automobile wheel rim
• C. Rubber boot
• D. Model airplanes

In which decade was the first solid state integrated circuit demonstrated?

• A. 1950s
• B. 1960s
• C. 1970s
• D. 1980s

Who invented the BALLPOINT PEN?

• A. Biro brothers
• B. Waterman brothers
• C. Bicc brothers
• D. Write brothers

Which of the following describe correctly the Group of Seven Countries (G-7)?

• A. They are developing countries
• B. They are industrialised countries
• C. They are holding atomic bomb technology
• D. They are countries who can launch their own satellites

Which one of the following is not related to disarmament?

• A. Salt
• B. Npt
• C. Ctbt
• D. Nato

Which of the following countries is not a member of Group 15 developing countries?

• A. Mexico
• B. Malaysia
• C. Brazil
• D. Bolivia