Laws, Theories and Discoveries

(a) Energy can be created as well as destroyed
(b) Energy can be created but not destroyed
(c) Energy can neither be created nor destroyed
(d) None of these

e

(a) Robert Hooke
(b) Janseen
(c) Rutherford
(d) None of these

e

(a) Marconi
(b) J.J. Thomson
(c) Samuel Morose
(d) None of these

(a) Aeroplane
(b) Telephone .
(c) Dynamite
(d) Safety Lamp

(a) Dr.F.G.Banting
(b) Edmund Fisher
(c) Fleming
(d) None of these

(a) Rutherford                
(b) Roentgen                 
(c) Einstein                   
(d) Baird

(a) William Harvey
(b) Landsteiner
(c) Robert Koch
(d) Chadwick

(a) Baird
(b) Shockley
(c) Marconi
(d) Graham Bell

(a) Oncology ·
(b) Serology
(c) Omithology
(d) Chronology

(a) J.L.Baird
(b) Torricelli
(c) Watson
(d) Darwin