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Science Trivia Questions XVIII

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3 - Two hearts pump blood through the gills and a third pumps blood throughout the body.How many hearts does an Octopus have?

a. 1
b. 4
c. 2
d. 3

J - All elements found within the table have been discovered or synthesized.Which of the following letters does not represent a chemical element within the periodic table of elements?

a. Z
b. J
c. K
d. A

Carl Linnaeus - Carl was a botanist, physician and zoologist.Which of the following scientists laid the foundations for the present classification system of life using binomial nomenclature?

a. William Thomson
b. Georges Cuvier
c. Charles Darwin
d. Carl Linnaeus

Tricuspid - The heart is found in all animals that have a circulatory system.Which of the following is one of the four valves of the heart?

a. Tricuspid
b. Cuboid
c. Metacarpal
d. Cardiac

Venera 7 - Venera 7 was a Soviet spacecraft.Which 1970 space mission was the first to successfully land a craft on Venus?

a. Mariner 2
b. Venera 7
c. Viking 1
d. Pioneer 1

Weak interaction - Enrico is best known for his work on the development of Chicago Pile-1, the first nuclear reactor.Which fundamental force was predicted by Enrico Fermi in 1934 to explain beta decay?

a. Strong interaction
b. Gravity
c. Weak interaction
d. Electromagnetism

Venus - Uranus and the dwarf planet Pluto also rotate clockwise.Most of the planets orbiting our sun spin counter-clockwise. Which of the following planets listed rotates clockwise?

a. Venus
b. Neptune
c. Earth
d. Jupiter

1965 - Insulin is used medically to treat some forms of diabetes.Insulin was the first human protein to be synthesized. In what year?

a. 1955
b. 1965
c. 1945
d. 1935

Electron - The electron is a subatomic particle with a negative electric charge.Which subatomic particle was the first to be discovered?

a. Proton
b. Electron
c. Neutron
d. Positron

1 million - Although officially discouraged, the term micron is often used instead of micrometre.How many microns are in one metric metre?

a. 10 million
b. 1000 million
c. 100 million
d. 1 million

Blind from birth - REM stands for Rapid Eye Movement.Which are the only people who do not experience REM sleep?

a. Schizophrenic
b. Blind from birth
c. Insane
d. Do not dream

Magnetic induction - Joseph Henry made a similar discovery in 1830, but did not publish his findings until later.Which principle, first stated by Faraday in 1831, states that a magnet's motion relative to a metal conductor generates an electric pulse?

a. Magnetic conduction
b. Paramagnetic reduction
c. Electric inversion
d. Magnetic induction

Ohm - The Ohm was named after German physicist Georg Simon Ohm.Which of these are a unit of electrical resistance?

a. Ohm
b. Hertz
c. Alamo
d. Farad

Descartes - Descartes is probably best known for the statement 'I think, therefore I am.'Who is credited with developing "Coordinate Geometry"?

a. Descartes
b. Kelvin
c. Leibnitz
d. Newton

None - So far, 12 astronauts have been on the moon.As of 2012, how many Russian Cosmonauts have been on the Moon?

a. None
b. 4
c. 8
d. 12

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