Have any questions?
[email protected]
English
Vietnamese
French
Spanish
Korean
Japanese
Thai
Chinese
Indonesian
Login
Signup
Contact
Login
Home
Virus fossils from several thousand years ago show what about the origin of viruses?
Question 1:
Virus fossils from several thousand years ago show what about the origin of viruses?
A.
None of these
B.
They were once small cells that lived parasitically on bigger ones.
C.
They appeared and evolved simultaneously with life on Earth.
D.
They evolved from bits of DNA that escaped from cells of organisms.
These questions are from this test. Would you like to take a practice test?
Trivial Practice Quiz science-technology - Test 107 | Englishfreetest.com
30 minutes
15 questions
Do test
Some questions from the same exam
What feature would Pluto develop if placed as near to the Sun as Earth is?
Pluto was the ninth planet of the Solar System for 76 years - from its discovery in 1930 until 2006 when it was reclassified as a dwarf planet.
The reclassification of Pluto as a dwarf planet in 2006 caused the emerging of what?
Viruses are so small that you need a special light microscopе to observe most of them.
How do viruses reproduce?
In virology, what does the term vector refer to?
Bacteriophages are organisms that have the characteristics of both viruses and bacteria.
Virus fossils from several thousand years ago show what about the origin of viruses?
When infected by a virus, the bodies of animals and humans start producing a special hormone - interferon. How does interferon help the organism fight virus infections?
Which of the following is not one of the defense mechanisms against viruses in humans?
Antibiotics are used to treat virus infections in animals and humans but are ineffective in plant virus infections.
Which stage of the virus life-cycle restricts it to infecting only a certain species (or group) of organisms?
Which of these is not one of the methods used by viruses to make the host cell release the newly produced viruses?
Mount Rumpke is the highest point and the biggest landfill in Ohio. Its technical name is The Rumpke Sanitary Landfill.
Approximately how many trees does it take to make one ton of paper?
Some other questions you may be interested in
Until 2004 ABC aired the Miss America pageant , it then switched to what station?
In what year did Snoopy first make his first appearance in a comic strip?
What name was Charles Schulz originally going to give to Charlie Browns dog Snoopy?
What position did cartoon character Snoopy play in Charlie Browns Little League baseball team?
In what year did comic strip character Snoopy first appear sleeping on top of his doghouse?
In what year did comic strip character Snoopy first walk upright?