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Scientist : Their Contribution in Biology MCQ

33 MCQ questions with answers and explanations · page 1 of 2

Test yourself▶ 25 question test

Q1. Who pioneered diagnostic ultrasound ?

  1. AAlexander Fleming
  2. BIan Donald
  3. CA. Laveran
  4. DRobert Koch
Show answer & explanation

Answer: B) Ian Donald

Q2. Who isolated the virus causing mosaic in tobacco in the form of crystals ?

  1. ADr. Stanley
  2. BMayer
  3. CLouis Pasteur
  4. DRobert Koch
Show answer & explanation

Answer: A) Dr. Stanley

Q3. Edward Jenner is related with which of the following disease ?

  1. ARabies
  2. BSmall pox
  3. CParalysis
  4. DTyphus fever
Show answer & explanation

Answer: B) Small pox

Q4. Scientist who first explain about circulatory system-

  1. ALeeuwenhoek
  2. BWilliam Harvey
  3. CMendal
  4. DRonad ross
Show answer & explanation

Answer: B) William Harvey

Q5. Transplantation of heart is first done by-

  1. ADr. William Harvey
  2. BSir F.G Hopkins
  3. CDr. Louis Pasteur
  4. DDr. Christian Banard
Show answer & explanation

Answer: B) Sir F.G Hopkins

Q6. First Calf clone is created by-

  1. AMc Clintock
  2. BIan Wilmut
  3. CStanley
  4. DMonod
Show answer & explanation

Answer: D) Monod

Q7. Double helix model of DNA is given by

  1. AMullar
  2. BMeghnath Sha
  3. CStephen Hawking
  4. DWatson and Crick
Show answer & explanation

Answer: B) Meghnath Sha

Q8. Waksman got the Noble prize for the discovery of-

  1. APenicillin
  2. BStreptomycin
  3. CNeomycin
  4. DChloromycetin
Show answer & explanation

Answer: D) Chloromycetin

Q9. August Weismann proposed-

  1. AMatural selection theory
  2. BGerm plasm theory
  3. CModern synthetic theory
  4. DInheritance of acquired character
Show answer & explanation

Answer: A) Matural selection theory

Q10. Har Govind Khorana shared nobel prize worked in the field of-

  1. ABio chemistry
  2. BMedical science
  3. CEconomics
  4. DLiterature
Show answer & explanation

Answer: A) Bio chemistry

Q11. Albert Sabin is known for developing……. ……

  1. ASmallpox vaccine
  2. BPolio vaccine
  3. CPenicillin
  4. DHepatitis B vaccine
Show answer & explanation

Answer: B) Polio vaccine

Q12. Which scientist was developed 'key' for identification of Animals ?

  1. AGoethe
  2. BTheophrastus
  3. CJohn Ray
  4. DCuvier
Show answer & explanation

Answer: C) John Ray

Q13. Blood Group is discovered by-

  1. ALandsteiner
  2. BRobert Koch
  3. CWilliam Harvey
  4. DLouis Pasteur
Show answer & explanation

Answer: A) Landsteiner

Q14. Scientist who laid the foundation of bacteriology-

  1. ALeeuwenhoek
  2. BLouis Pasteur
  3. CWilliam Harvey
  4. DEdward Jenner
Show answer & explanation

Answer: B) Louis Pasteur

Q15. The Hormone insuline is invented by-

  1. AF. Banting
  2. BSchleiden & Schwann
  3. CBrown
  4. DRobert Hooke
Show answer & explanation

Answer: A) F. Banting

Q16. Stethoscope was invented by-

  1. AJenner
  2. BSabin
  3. CLaennec
  4. DPasteur
Show answer & explanation

Answer: C) Laennec

Q17. Scientist who crystallised virus for the first time causing mosaic in tobacco-

  1. AWaksman
  2. BWatson
  3. CStanley
  4. DEmerson
Show answer & explanation

Answer: C) Stanley

Q18. Crescograph was invented by-

  1. AS.N. Bose
  2. BP.C. Mahalanobis
  3. CJ.C. Bose
  4. DP.C. Roy
Show answer & explanation

Answer: C) J.C. Bose

Q19. Who was the invertor of frozen foods ?

  1. AAlfred Nobel
  2. BClarence Birdseye
  3. CFrank Whittle
  4. DIves Mc Gaffey
Show answer & explanation

Answer: B) Clarence Birdseye

Q20. The technique of DNA fingerprinting in human was developed for first time by-

  1. ALalji Singh
  2. BAlec Jeffreys
  3. CR. Ericson
  4. DJ. Black
Show answer & explanation

Answer: B) Alec Jeffreys

Q21. Who invented the electrocardiogram (ECG) ?

  1. AWillem Einthoven
  2. BEdward Jenner
  3. CAntonio de Ulloa and Charles Wood
  4. DKarl Benz
Show answer & explanation

Answer: A) Willem Einthoven

Q22. Who among the following devised the technique IVF (In Vitro Fertilization) ?

  1. ASir Frank Whittle
  2. BRobert Edwards
  3. CEdward Jenner
  4. DMartin Cooper
Show answer & explanation

Answer: B) Robert Edwards

Q23. Who discovered the first antibiotic ?

  1. AW Fleming
  2. BC Waksman
  3. CLouis Pasteur
  4. DA Fleming
Show answer & explanation

Answer: D) A Fleming

Q24. Kohler and Milstein developed biotechnology for production of-

  1. AModern vaccines
  2. BImmobilized enzymes
  3. CMonoclonal antibodies
  4. DMyelomas
Show answer & explanation

Answer: C) Monoclonal antibodies

Q25. Who synthesized the DNA in vitro ?

  1. AArthur Kornberg
  2. BRobert Kornberg
  3. CRobert Hooke
  4. DJoseph Lister
Show answer & explanation

Answer: A) Arthur Kornberg

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