A. is
B. are
C. were
D. None of These
Answer: A. is
A. is
B. are
C. were
D. None of These
Answer: A. is
A. Let the thief to catch the thief
B. Let the thief be set to catch the thief
C. Thief is set to catch the thief
D. None of These
Answer: B. Let the thief be set to catch the thief
(A) Edward Jenner
(B) Louis Pasteur
(C) Alexander Fleming
(D) Selman Waksman
Answer: (C) Alexander Fleming
(A) Cecilia Payne-Gaposchkin
(B) Annie Jump Cannon
(C) Henrietta Leavitt
(D) All of these
Answer: (A) Cecilia Payne-Gaposchkin
(A) Jean Senebier
(B) Jan van Helmont
(C) Joseph Priestley
(D) Jan Ingenhousz
Answer: (D) Jan Ingenhousz
(A) David Hume
(B) Joseph Murray
(C) Michael DeBakey
(D) Christiaan Barnard
Answer: (D) Christiaan Barnard
(A) Thomas Edison
(B) Guglielmo Marconi
(C) Nikola Tesla
(D) Theodore Maiman
Answer: (D) Theodore Maiman
(A) Charles Babbage
(B) Stephen Hawking
(C) Alan Turing
(D) Thomas Jefferson
Answer: (A) Charles Babbage
(A) Mark Stephanie
(B) Percy Spencer
(C) William Powell
(D) All of these
Answer: (B) Percy Spencer
(A) Alfred Russel
(B) Gregor Mendel
(C) Charles Darwin
(D) Peter Jackson
Answer: (C) Charles Darwin