Kirkpatrick Macmillan, a Scottish blacksmith, is credited with inventing the first pedal-driven bicycle in 1839. Earlier versions like the "hobby horse" existed, but Macmillan added pedals to the rear wheel.
Q2. Diesel Engine was invented by __ and he was from
Correct Answer: B
Rudolf Diesel invented the Diesel engine in the 1890s. He was a German engineer who designed the engine to improve efficiency over the steam engine.
Q3. The double stranded structure of DNA was first described by which of the following scientists?
Correct Answer: A
James Watson and Francis Crick described the double helix structure of DNA in 1953 at the University of Cambridge. Their model revolutionized biology and earned them the Nobel Prize in 1962.
Q4. Who discovered malaria parasite?
Correct Answer: B
Charles Louis Alphonse Laveran, a French physician, discovered the malaria parasite (Plasmodium) in 1880 while working in Algeria. He was awarded the Nobel Prize in 1907 for this discovery.
Q5. Who discovered that malaria is caused by particular type of mosquito?
Correct Answer: A
Sir Ronald Ross, a British medical doctor, discovered in 1897 that female mosquitoes transmit malaria parasites. He identified the mosquito genus Anopheles as the vector and received the Nobel Prize in 1902.
Q6. Sir Ronald Ross was born in which country?
Correct Answer: D
Sir Ronald Ross was born in Almora, India, in 1857 while his father was serving in the British Indian Army. He later studied medicine in England.
Q7. __ was awarded the Nobel Prize for Physiology or Medicine in 1902 for his discovery of Malaria Parasite.
Correct Answer: B
Alphonse Laveran was awarded the Nobel Prize in Physiology or Medicine in 1907 (not 1902) for his discovery of the malaria parasite. Ronald Ross won the prize in 1902 for discovering malaria transmission.
Q8. Who invented ‘Dynamite’?
Correct Answer: D
Alfred Nobel invented dynamite in 1867 in Sweden. He stabilized nitroglycerin by combining it with diatomaceous earth, making it safer to handle. He later established the Nobel Prizes in his will.
Q9. __ invented Dynamite and was also the founder of Nobel Prizes.
Correct Answer: A
Alfred Nobel invented dynamite. Upon his death in 1896, he bequeathed his fortune to establish the Nobel Prizes, awarded annually for achievements in physics, chemistry, medicine, literature, and peace.
Q10. Alfred Nobel belonged to which country?
Correct Answer: C
Alfred Nobel was Swedish. He was born in Stockholm, Sweden, in 1833, though he spent much of his life traveling and working in other countries like Russia and France.
