Tag: science & technology

Questions Related to science & technology

Multiple choice general knowledge science & technology
  1. John stretch

  2. Jerry Yang

  3. David Filo

  4. Ricky Moss

Reveal answer Fill a bubble to check yourself
B,C Correct answer
Explanation

Jerry Yang and David Filo co-founded Yahoo in 1994 while they were graduate students at Stanford University. The question asks for the founders, and both are correct answers. This is a select-all-that-apply question requiring both co-founders to be selected.

Multiple choice general knowledge science & technology
  1. Henric watson

  2. Sergey M. Brin

  3. Lawrence E. Page

  4. John P. Disuza

Reveal answer Fill a bubble to check yourself
B,C Correct answer
Explanation

Sergey Brin and Larry Page co-founded Google in 1998 while they were Ph.D. students at Stanford. This is a select-all-that-apply question requiring both co-founders. Options B and C are correct though they use formal names (Sergey M. Brin and Lawrence E. Page).

Multiple choice general knowledge science & technology
  1. Brike Manson

  2. Masaru Ibuka

  3. Akio Morita

  4. Seen Chum Lay

Reveal answer Fill a bubble to check yourself
B,C Correct answer
Explanation

Sony was founded in 1946 by Masaru Ibuka and Akio Morita as Tokyo Telecommunications Engineering. They pioneered Japan's post-war electronics industry, creating iconic products like the Walkman and Trinitron TV. Brike Manson and Seen Chum Lay are not associated with Sony's founding.

Multiple choice general knowledge science & technology
  1. Dormant

  2. Effective

  3. Extinct

  4. Active

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Volcanoes are classified into three main types: Active (currently erupting or likely to erupt), Dormant (currently inactive but may erupt again), and Extinct (unlikely to ever erupt again). 'Effective' is not a scientific classification term for volcanoes - it appears to be a distractor word.

Multiple choice general knowledge science & technology
  1. Silica

  2. Carbon

  3. Tungeston

  4. Iron

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Earth's core is primarily composed of iron (Fe), which makes up about 85% of its mass, along with nickel and lighter elements. The inner core is solid iron-nickel alloy, while the outer core is liquid iron. This iron core generates Earth's magnetic field through convection currents.

Multiple choice general knowledge science & technology
  1. 6400 km

  2. 10200 km

  3. 12800 km

  4. 3200 km

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Earth's radius is approximately 6,371 km, commonly rounded to 6,400 km. This value represents the distance from Earth's center to its surface. The diameter is about 12,742 km (option C shows a confused diameter value). Earth is not a perfect sphere but an oblate spheroid.