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Scientists & Nobel Laureates — Homi Bhabha Exam General Knowledge MCQs with Solutions
Free Homi Bhabha Exam General Knowledge Scientists & Nobel Laureates MCQs with step-by-step solutions covering Famous Scientists & Discoveries, Nobel Prize Winners in Science. Practise online on Prepizo — no login needed.
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Sample questions with solutions
Q1 — Famous Scientists & Discoveries · hard · theory
The theory of evolution by natural selection was proposed by:
A. Charles Darwin ✓ Correct
B. Louis Pasteur
C. Gregor Mendel
D. Robert Hooke
Solution: Charles Darwin explained evolution through natural selection in "On the Origin of Species".
Q2 — Famous Scientists & Discoveries · hard · theory
The nucleus of the atom was discovered by:
A. Niels Bohr
B. John Dalton
C. J. J. Thomson
D. Ernest Rutherford ✓ Correct
Solution: Rutherford's gold-foil experiment revealed the tiny, dense, positive nucleus.
Q3 — Famous Scientists & Discoveries · hard · theory
The first successful vaccine (against smallpox) was developed by:
A. Alexander Fleming
B. Edward Jenner ✓ Correct
C. Jonas Salk
D. Louis Pasteur
Solution: Edward Jenner developed the smallpox vaccine in 1796.
Q4 — Famous Scientists & Discoveries · hard · theory
The phenomenon of electromagnetic induction (basis of generators) was discovered by:
A. Isaac Newton
B. Michael Faraday ✓ Correct
C. Alessandro Volta
D. Georg Ohm
Solution: Michael Faraday discovered electromagnetic induction in 1831.
Q5 — Famous Scientists & Discoveries · hard · theory
The principle of buoyancy ("a body immersed in a fluid is buoyed up...") was given by:
A. Pascal
B. Newton
C. Aristotle
D. Archimedes ✓ Correct
Solution: Archimedes' principle describes the upthrust on a body immersed in a fluid.
Q6 — Famous Scientists & Discoveries · hard · theory
The scientist who greatly advanced the study of radioactivity and discovered radium was:
A. Michael Faraday
B. Charles Darwin
C. Marie Curie ✓ Correct
D. Isaac Newton
Solution: Marie Curie pioneered research on radioactivity and discovered radium and polonium.
Q7 — Famous Scientists & Discoveries · hard · theory
Galileo Galilei is famous for improving the telescope and for supporting the idea that:
A. the Earth is flat
B. the Sun revolves around the Earth
C. the Moon produces its own light
D. the Earth revolves around the Sun ✓ Correct
Solution: Galileo supported the heliocentric (Sun-centred) model using telescopic observations.
Q8 — Nobel Prize Winners in Science · hard · theory
C. V. Raman received the Nobel Prize in Physics for his work on the:
A. structure of DNA
B. photoelectric effect
C. theory of relativity
D. scattering of light (the Raman Effect) ✓ Correct
Solution: The Raman Effect describes the scattering of light by molecules.
Q9 — Nobel Prize Winners in Science · hard · theory
The only person to win a Nobel Prize in two different sciences (Physics and Chemistry) was:
A. Marie Curie ✓ Correct
B. Isaac Newton
C. Albert Einstein
D. C. V. Raman
Solution: Marie Curie won the Nobel Prize in Physics (1903) and Chemistry (1911).
Q10 — Nobel Prize Winners in Science · hard · theory
Albert Einstein was awarded the Nobel Prize in Physics for his explanation of the:
A. photoelectric effect ✓ Correct
B. theory of relativity
C. Raman effect
D. law of gravitation
Solution: Einstein received the 1921 Nobel Prize for explaining the photoelectric effect, not relativity.
Q11 — Nobel Prize Winners in Science · hard · theory
There is NO Nobel Prize awarded in the field of:
A. Mathematics ✓ Correct
B. Chemistry
C. Medicine
D. Physics
Solution: Nobel Prizes are not awarded in Mathematics.
Q12 — Nobel Prize Winners in Science · hard · theory
Har Gobind Khorana, of Indian origin, won the Nobel Prize (in Medicine) for his work on the:
A. periodic table
B. structure of the atom
C. genetic code ✓ Correct
D. theory of relativity
Solution: Khorana shared the 1968 Nobel Prize for interpreting the genetic code.
Q13 — Nobel Prize Winners in Science · hard · theory
The Indian-born astrophysicist who won the Nobel Prize in Physics for his study of stars was:
A. J. C. Bose
B. Satyendra Nath Bose
C. C. V. Raman
D. S. Chandrasekhar ✓ Correct
Solution: Subrahmanyan Chandrasekhar won the 1983 Physics Nobel for his work on stellar structure.
Q14 — Nobel Prize Winners in Science · hard · theory
Venkatraman Ramakrishnan, of Indian origin, won the Nobel Prize in Chemistry for studies of the:
A. galaxy
B. ribosome ✓ Correct
C. atom
D. genome only
Solution: He shared the 2009 Chemistry Nobel for research on the structure of the ribosome.
Q15 — Nobel Prize Winners in Science · hard · theory
Watson, Crick and Wilkins received the Nobel Prize for discovering the structure of:
A. the cell
B. the atom
C. DNA ✓ Correct
D. proteins only
Solution: They shared the 1962 Nobel Prize for describing the double-helix structure of DNA.
Q16 — Nobel Prize Winners in Science · hard · theory
Ernest Rutherford, often called the "father of nuclear physics", actually received his Nobel Prize in:
A. Medicine
B. Physics
C. Chemistry ✓ Correct
D. Peace
Solution: Rutherford won the 1908 Nobel Prize in Chemistry for his work on radioactivity.
Q17 — Famous Scientists & Discoveries · medium · theory
The laws of motion and the law of universal gravitation were given by:
A. Albert Einstein
B. Michael Faraday
C. Isaac Newton ✓ Correct
D. Galileo Galilei
Solution: Sir Isaac Newton formulated the three laws of motion and the law of gravitation.
Q18 — Famous Scientists & Discoveries · medium · theory
The famous equation E = mc² and the theory of relativity were given by:
A. Niels Bohr
B. C. V. Raman
C. Isaac Newton
D. Albert Einstein ✓ Correct
Solution: Albert Einstein proposed the theory of relativity and the mass–energy relation E = mc².
Q19 — Famous Scientists & Discoveries · medium · theory
The scientist who discovered the electron was:
A. J. J. Thomson ✓ Correct
B. James Chadwick
C. Ernest Rutherford
D. John Dalton
Solution: J. J. Thomson discovered the electron in 1897.
Q20 — Famous Scientists & Discoveries · medium · theory
The antibiotic penicillin was discovered by:
A. Edward Jenner
B. Louis Pasteur
C. Alexander Fleming ✓ Correct
D. Robert Koch
Solution: Alexander Fleming discovered penicillin from the mould Penicillium in 1928.
Q21 — Famous Scientists & Discoveries · medium · theory
The telephone was invented by:
A. Thomas Edison
B. Nikola Tesla
C. Alexander Graham Bell ✓ Correct
D. Guglielmo Marconi
Solution: Alexander Graham Bell is credited with inventing the telephone in 1876.
Q22 — Famous Scientists & Discoveries · medium · theory
The electric light bulb was developed by:
A. Michael Faraday
B. Alexander Bell
C. James Watt
D. Thomas Edison ✓ Correct
Solution: Thomas Edison developed a practical incandescent light bulb.
Q23 — Famous Scientists & Discoveries · medium · theory
The father of genetics, who experimented on pea plants, was:
A. Watson
B. Hooke
C. Gregor Mendel ✓ Correct
D. Charles Darwin
Solution: Gregor Mendel established the basic laws of heredity.
Q24 — Famous Scientists & Discoveries · medium · theory
The first powered aeroplane was built and flown by the:
A. Curie sisters
B. Wright brothers ✓ Correct
C. Bernoulli brothers
D. Newton brothers
Solution: Orville and Wilbur Wright made the first powered flight in 1903.
Q25 — Nobel Prize Winners in Science · medium · theory
The Nobel Prize is named after Alfred Nobel, who invented:
A. the aeroplane
B. the light bulb
C. dynamite ✓ Correct
D. the telephone
Solution: Alfred Nobel, inventor of dynamite, established the Nobel Prizes in his will.
Q26 — Nobel Prize Winners in Science · medium · theory
The first Indian to win a Nobel Prize in science was:
A. Homi Bhabha
B. A. P. J. Abdul Kalam
C. C. V. Raman ✓ Correct
D. Vikram Sarabhai
Solution: C. V. Raman won the Nobel Prize in Physics in 1930.
Q27 — Nobel Prize Winners in Science · medium · theory
The science categories in which Nobel Prizes are awarded are Physics, Chemistry and:
A. Physiology or Medicine ✓ Correct
B. Mathematics
C. Computer Science
D. Engineering
Solution: The three science Nobel Prizes are Physics, Chemistry, and Physiology or Medicine.
Q28 — Nobel Prize Winners in Science · medium · theory
Alexander Fleming shared the Nobel Prize in Medicine for discovering:
A. penicillin ✓ Correct
B. insulin
C. vitamins
D. the X-ray
Solution: Fleming won the 1945 Nobel Prize for the discovery of penicillin.
Q29 — Nobel Prize Winners in Science · medium · theory
The first Nobel Prizes were awarded in the year:
A. 1947
B. 1901 ✓ Correct
C. 1850
D. 2000
Solution: The first Nobel Prizes were awarded in 1901.
Q30 — Nobel Prize Winners in Science · medium · theory
The Nobel Prizes in the sciences are presented in the city of:
A. Stockholm, Sweden ✓ Correct
B. New York, USA
C. Paris, France
D. London, England
Solution: The science Nobel Prizes are awarded in Stockholm, Sweden (the Peace Prize in Oslo).