TNPSC Science Online Test 14

1. 'James Chadwick' discovered

A. Atom
B. Electron
C. Neutron
D. Protron

2. 'Gargobind Khorana' is well-known for

A. Deciphering of genetic code
B. Discovery of penicillin
C. Heart transplantation
D. None of these

3. 'Einstein' was a/an

A. American
B. French man
C. English man
D. None of these

4. 'Euclid' is associated with

A. Law of Heredity
B. Atomic Theory
C. Geometry
D. None of these

5. 'Roentgen' discovered

A. X-rays
B. Encephalograph
C. Anti-Polio Vaccine

D. None of these


6. 'Electrons' Were discovered by

A. Roentgen
B. J.J. Thompson
C. Issac Newton
D. None of these


7. 'Bushwell' invented

A. Hovercraft
B. Submarine
C. Atomic Bomb
D. None of these

8. 'Revolver' Was invented by

A. Bushwell
B. Colt
C. Mercafter
D. None of these

9. Thermos Flask' was invented by

A. Dewar
B. Daimler
C. Urey
D. None of these

10. 'Analytical Engine' Was invented by

A. Dewar
B. Daimler
C. Charles Babbage
D. None of these

1.Answer: Option C

2.Answer: Option A

3.Answer: Option A
4.Answer: Option C

5.Answer: Option A

6.Answer: Option B
7. Answer: Option B
8.Answer: Option B
9.Answer: Option A
10.Answer: Option C