Scientists & Inventions

The machine-Gun was invented by –

Telescope was invented by :

Which is the biggest telescope of the world?

Wilhelm Roentgen invented -

Gas engine was invented by :

Which one of the following pairs is NOT correctly matched?

Match the following in the correct order – A. Radium - 1. Alexander Fleming B. Penicillin - 2. Madame Curie C. X-Ray - 3. Edward Jenner D. Measles - 4. W.C. Roentgen Code : A B C D

Radioactivity was discovered by :

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 :

Match List-I with List-II and select the correct answer using the codes given below : List-I List-II A. Alfred Nobel 1. Theory of Evolution B. Alexander Fleming 2. Dynamite C. Charles Darwin 3. Penicillin D. Madam Curie 4. Isolation of radium Code : A B C D

Match list-I with List-II and select the correct answer using the codes given below the list: List-I List - II A. Revolver 1. Alfred Nobel B. Dynamite 2. Pascal C. Law of Cooling 3. Colt D. Law of pressure 4. Newton Code : A B C D

The laws of planetary motion were enunciated by-

The photoelectric effect was discovered by :

The National Science Day is observed on February 28 every year to commemorate :

Whose birth centenary was celebrated in the year 1988?

Who among the following scientists propounded the New Theory of Relativity?

Homi Bhabha Award is given for special contribution in the field of –

Which one of the following scientists has carried out researches both in the field of biology and physics?

The name of scientist who designed India's first space satellite 'Aryabhatta' and died recently is :

Who is associated with the development of India's Atomic Bomb :

Who is not a Nobel Prize winner among the following scientists?

The principle of Thermal Ionisation is an outstanding contribution of