Question 1
What is the name of the biological process in which one bacterium transfers DNA directly to another through cell-to-cell contact?
Correct answer: Conjugation
Bacterial conjugation transfers genetic material directly between cells, often through a pilus.
Question 2
The programming language 'Swift' was created to replace what other programming language?
Correct answer: Objective-C
Apple created Swift as a modern replacement for Objective-C, the language traditionally used for developing software on Apple platforms.
Question 3
Which RAID array type is associated with data mirroring?
Correct answer: RAID%201
RAID 1 mirrors identical data across two or more drives, providing redundancy if one drive fails.
Question 4
Which is the only B vitamin that cannot be obtained from plant products?
Correct answer: B12
Vitamin B12 is not naturally available from ordinary plant foods in reliable amounts, so plant-based diets generally require fortified foods or supplements.
Question 5
Of all of the Postulates of Euclid, one stood out as a big sticking point. To this day it involves such things as space travel, physics, and triangles. Which postulate was it?
Correct answer: 5
Euclid’s fifth postulate, the parallel postulate, became the basis for non-Euclidean geometries that are important in modern physics and the study of curved space.
Question 6
What internet protocol was documented in RFC 1459?
Correct answer: IRC
RFC 1459 documents the Internet Relay Chat protocol, commonly known as IRC.
Question 7
Which of the following is not a heart valve?
Correct answer: Carotid Valve
The carotid is an artery that supplies blood to the head and brain, not one of the heart’s valves.
Question 8
The Hubble Space Telescope in orbit around the Earth has become one of the most important telescopes in the history of astronomy since its launch in 1990. It doesnt work in which one of these wavelength regimes?
Correct answer: Radio
Hubble observes ultraviolet, visible, and near-infrared light, but it is not designed to detect radio waves.
Question 9
Which principle states that pressure applied to an enclosed fluid is transmitted undiminished throughout the fluid?
Correct answer: Pascal's principle
Pascal's principle describes how pressure is transmitted through an enclosed fluid.
Question 10
What is the alphanumeric representation of the imaginary number?
Correct answer: i
The symbol i represents the imaginary unit, defined as the square root of negative one.
Log in to leave a comment.
Log in