Which of the following helps in clotting of blood?
A. Vitamin B1
B. Vitamin B2
C. Vitamin D
BIOLOGY has been derived from the Greek word which means
A. The study of plants
B. The study of matter
C. The study of life
D. The study of Animals
Submitted by Uzair khan
Smallpox vaccine was invented by
A. Ibn Sina
B. Louis Pasteur
C. Charles Darwin
D. Edward Jenner (an English physician and scientist)
♦ Credit To: Shah Hussain ♦
Who among the following scientists invented the Polio vaccine?
A. Jonas Salk (an American, came into use in 1955)
B. Louis Pasteur
C. Charles Darwin
D. None of these
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Who discovered Penicillin?
A. Viscount
B. Macmillian
C. Alexander Fleming (a Scottish researcher in 1928-London)
D. None of the above
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