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60 questions
21
Scientists & Inventions
Moderate
+1.0
-0.25
Who is the discoverer of Penicillin?
22
Scientists & Inventions
Moderate
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Alexander Fleming discovered-
23
Scientists & Inventions
Moderate
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What did Sir Alexander Fleming discover ?
24
Scientists & Inventions
Moderate
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What did Fleming discover?
25
Scientists & Inventions
Moderate
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Match the following in the correct order – A. Radium B. Penicillin C. X-Ray D. Measles Code :
26
Scientists & Inventions
Moderate
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Who among the following is the inventor of ‘X rays’?
27
Scientists & Inventions
Moderate
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Arrange the following in chronological order as per their discovery and select correct answer from the code given below: A. Transistor B. Diode C. SMD (Surface Mounted Device) D. Integrated Circuit (IC) Code :
28
Scientists & Inventions
Moderate
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Match List-I with List-II and select the correct answer using the codes given below : List-I I. Alfred Nobel II. Alexander Fleming III. Charles Darwin IV. Madam Curie List-II 1. Theory of Evolution 2. Dynamite 3. Penicillin 4. Isolation of radium Code :
29
Scientists & Inventions
Moderate
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The principle of ‘Black hole’ was enunciated by :
30
Scientists & Inventions
Moderate
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Scientist S. Chandrashekhar got Nobel Prize for which field?