Biology · Chapter 19 of 19

Inventions, Discoveries & Scientists: BPSC & UPPCS Prelims PYQs

6 previous-year questions on Inventions, Discoveries & Scientists. Each one opens to its answer and explanation.

1. 1. UPPSC Prelims 2024

   Consider the following statements:
   1. Scientific investigation depends on commitment to practical ideals.
   2. Honesty is particularly important in science. Select the correct answer from the codes given below:

   1. ABoth statements 1 and 2 are incorrect.
   2. BStatement 1 is correct, 2 is not correct.
   3. CBoth statements 1 and 2 are correct.
   4. DStatement 1 is correct, 2 is unpredictable.
   Answer and explanation →

2. 2. 69th BPSC Prelims 2023

   The DNA double helix structure was discovered by

   1. AJames Watson and Francis Crick
   2. BRosalind Franklin and Maurice Wilkins
   3. CLinus Pauling
   4. DGregor Mendel
   Answer and explanation →

3. 3. 67th BPSC Prelims 2022

   Who was the first scientist/doctor, who attempted vaccination?

   1. ARobert Koch
   2. BElie Metchnikoff
   3. CEdward Jenner
   4. DJoseph Lister
   5. ENone of the above/More than one of the above
   Answer and explanation →

4. 4. 56th–59th BPSC Prelims 2014

   Who discovered bacteria?

   1. AFleming
   2. BLamble
   3. CTemin
   4. DLeeuwenhoek
   Answer and explanation →

5. 5. 56th–59th BPSC Prelims 2014

   The first human heart transplant was performed in __________.

   1. AAmerica
   2. BEngland
   3. CSouth Africa
   4. DFrance
   Answer and explanation →

6. 6. UPPSC Prelims 2012

   Funk invented

   1. AVitamins
   2. BHormones
   3. CProteins
   4. DEnzymes
   Answer and explanation →