SCIENCE REPORTER, DECEMBER 2014 58

BIBHUPRASAD MOHAPATRA

TEST

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1. Renaissance mathema� cian and astronomer who developed a simple heliocentric model of the solar system that explained planetary retrograde mo� on?

a) Nicolaus Copernicus b) John Bap� st Riccioli

c) Giovanni Cassini d) Charles Messier

2. Danish nobleman who observed a supernova and made the most precise observa� ons of stellar and planetary posi� ons?

a) Joseph-Louis Lagrange b) Heinrich Wilhelm Olbers

c) Tycho Brahe d) Friedrich Bessel

3. Italian physicist, mathema� cian, astronomer, and philosopher who discovered mountains and craters on the moon, the phases of Venus, and the four largest satellites of Jupiter: Io, Europa, Callisto, and Ganymede ?

a) Friedrich von Struve b) Galileo Galilei

c) Sir George Airy d) Henry Draper

4. German mathema� cian, astronomer who established the three laws of planetary mo� on?

a) Edward Charles Pickering b) Jacobus Cornelius Kapteyn

c) Edward Barnard d) Johannes Kepler

5. Dutch natural philosopher, astronomer, probabilist who discovered Saturn’s fi rst satellite, Titan, and the true shape of Saturn’s rings ?

a) Annie Jump Cannon b) Maximilian Wolf

c) Chris� aan Huygens d) George E. Hale

6. English astronomer, geophysicist, meteorologist who used his theory of cometary orbits to predict that the comet of 1682 was periodic?

a) Sir Isaac Newton b) Edmond Halley

c) Henrie1 a Swan Levi1 d) Willem de Si1 er

7. German-born Bri� sh astronomer and composer who discovered Uranus and its two brightest moons, Titania and Oberon?

a) William Herschel b) Ejnar Hertzsprung

c) Karl Schwarzschild d) Kiyotsugu Hirayama

8. Italian Catholic priest, mathema� cian, and astronomer who discovered the largest asteroid, Ceres?

a) Vesto M. Slipher b) Walter Sydney Adams

c) Giuseppe Piazzi d) Henry Norris Russell

9. German astronomer who popularized a rela� onship giving planetary distances from the Sun and determined the orbit of Uranus and suggested the planet’s name?

a) Johann Elert Bode b) Bernhard Schmidt

c) Arthur S. Eddington d) Harlow Shapley

10. French mathema� cian and astronomer who promoted the solar nebula hypothesis for the origin of the solar system?

a) Edwin Hubble b) Walter Baade

c) Georges-Henri Lemaitre d) Pierre-Simon Laplace

11. German-Bri� sh astronomer who discovered several comets and was the fi rst woman to discover a comet?

a) Caroline Herschel b) Rudolph Minkowski

c) Bernard-Ferdinand Lyot d) O1 o Struve

12. German op� cian who made detailed wavelength measurements of hundreds of lines in the solar spectrum?

a) Fritz Zwicky b) Jan Hendrik Oort

c) Joseph von Fraunhofer d) George Gamow

13. German astronomer who discovered the fi rst short-period comet?

a) Gerard P. Kuiper b) Clyde Tombaugh

c) James A. Van Allen d) Johann Franz Encke

14. Banker and Astronomer from Berlin who prepared and published maps of the Moon and Mars?

a) Sir Fred Hoyle b) Wilhelm Beer

c) Carl Sagan d) Hannes Alvén

15. Sco< sh astronomer and mathema� cian who was the fi rst to measure the distance to a star (Alpha Centauri)?

a) Thomas Henderson b) William Fowler

c) Arno A. Penzias d) Robert W. Wilson

16. English merchant and astronomer who discovered Triton, the largest satellite of Neptune?

a) Joseph H. Taylor, Jr b) Russell Alan Hulse

c) Cecilia Payne-Gaposchkin d) William Lassell

17. French mathema� cian who specialized in celes� al mechanics and is best known for his part in the discovery of Neptune?

a) John Couch Adams b) Urbain Le Verrier

c) Johann Go9 ried Galle d) Daniel Kirkwood

18. Swedish physicist and one of the founders of the science of spectroscopy who discovered hydrogen in the solar spectrum?

a) Anders Angstrom b) Karl G. Jansky

c) Bruno B. Rossi d) Bart Jan Bok

Answer Key:

1) a 2) c 3) b 4) d 5) c 6) b 7) a 8) c 9) a 10) d 11) a 12) c 13) d 14) b 15) a 16) d 17) b 18) a

Contributed by Mr Bibhuprasad Mohapatra, Postal Assistant, Rayagada Head Post Offi ce, Odisha-765001; Email: Padmacharan123@gmail.com

SCIENCE REPORTER, DECEMBER 201459

TEST YOUR KNOWLEDGE

1. Which isotope used in Thyroid Cancer treatment?

A) Iodine-131 B) Stron� um-89

C) Thallium-201 D) Oxygen-18

2 . PET-Positron Emission Tomographic Scanning is being eff ec-� vely used in measurement of regional cerebral blood volume, blood fl ow, metabolic rate for glucose and oxygen in humans. Which radioisotope is used in PET-imaging technique?

A) Corban-11 & Fluorine-18 B) Nitrogen-13 & Heavy Water

C) Oxygen-15& Carbon-14 D) Iron-59 & Phosphorus-32

3. Ins� tute of Nuclear Medicine & Allied Sciences-INMAS (DRDO) -- an ins� tute for treatment of cancer and nuclear medi-cine research is situated in

A) Lucknow B) Delhi

C) Mumbai D) Kota

4. The Decay Characteris� c of Positrons is exploited in which of the following imaging techniques?

A) NMR B) RIA

C) PET-CT D) MET

5. Some� mes radio-isotopes are used in the form of liquid as internal radio-therapy. Which among these is used in unsealed internal radio-therapy?

A) Caesium B) Iridium

C) Palladium D) All of These

6. Cobalt-60 a radio-isotope emits mainly:

A) X-rays B) Gamma-rays

C) LASER D) Beta-rays

7. The treatment of cancer deals with the use of radio-isotope either by themselves or labelled to specifi c chemical compounds that localize in specifi c organ on the basis of a par� cular func� on of that organ. When radio-isotopes are used as medicine, this is called

A) Radio-immuno assay-RIA B) Radiopharmaceu� cals

C) Nuclear-treatment D) None of these

8. Stron� um-90 is mainly responsible for causing

A) Leukaemia B) Skin cancer

C) Lung Cancer D) Mouth Cancer

DEVI D. PANDEY & NIDHI PANDEY

9. Potassium Iodate and Prussian blue (Ferric ferrocyanide) are widely recommended for removal of which of the following radio-isotope during accidents or atomic explosions?

A) Stron� um-90 B) Cesium-137

C) Iodine-131 D) Tri� um

10. Use of nuclear medicine in treatment is regulated by:

A) Bhabha Atomic Research Centre-Mumbai

B) Board of Research on Radio-isotope Technology-Mumbai

C) Atomic Energy Regulatory Authority-Mumbai

D) Interna� onal Atomic Energy Agency-Vienna

11. The Civil Liability for Nuclear Damage Act was passed on

A) 21st September 2010 B) 12th August 2004

C) 15th September 1962 D) 26th April 1984

12. World Cancer Day is celebrated every year on

A) 2nd February B) 4th February

C) 31st May D) 16th September

13. Which organisa� on belongs to United Na� ons?

A) WANO B) IARP

C) NPCIL D) IAEA

14. Radioprotectants work on the principle of

A) Preven� ng DNA damage

B) An� oxida� on of biomolecules

C) Muta� ons & free radical scavenging

D) All of these

15. Mobile phones are sources of …..type of radia� on.

A) Ionizing B) Non-ionizing

C) Cosmic D) None of these

ANSWERS:

1.A 2.A 3.B 4. C 5.D 6.B 7.B 8.A 9.B 10.C 11. A 12.B 13. D 14.D 15.B

Contributed by Devi D. Pandey, Department of Environmental Science, Guru Jambheshwar University of Science & Technology-Hissar, Hissar-Delhi Byepass, Haryana-125001