Page 22 - Cosmos Edition 3

QUIZ TIME

Q1) Name the scientist who declared that the earth revolves around
the sun.
a) SIR. Isaac Newton (b) Galileo Galilei
(c) Nicolaus Copernicus (d) Claudius Ptolemy
Q2) Who invented the logarithm tables?
(a) John Harrison (b) John Doe
(c) John Napier (d) John Douglas
Q3) Which scientist explained that the solar system is held together
by gravitational force?

(a) SIR. Isaac Newton (b) Galileo Galilei
(c) Aristotle (d) Claudius Ptolemy
Q4) Name the branch of science that deals with the study of sound
and sound waves.
(a) Aeronautics (b) Acoustics
(c) Aerostatics (d) Aetiology
Q5) Who first measured the velocity of light?
(a) Albert Einstein (b) Sir. Isaac Newton
(c) Galileo Galilei (d) Ole Romer
Q6) Name the doctor who first performed a heart transplant in
South Africa in 1967?
(a) Christian Bernard (b) Robert Edwards
(c) Patrick Steptoe (d) Walton Lilehel
Q7) To sounds of which frequency are human beings most sensi-
tive?

(a) 400 hertz (b) 20 hertz
(c) 20,000 hertz (d) 5,000 hertz
Q8) Name the scientist who is credited with the discovery of sodi-
um, barium, potassium and calcium?
(a) J. Berzelius (b) Humphrey Davy
(c) Marie Curie (d) W. Ramsay

ANSWERS
1.(c),2. (c),3. (a),4. (b),5. (d), 6. (a),7. (d),8. (b)

- PRAJJWAL.L. HARAVE
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