Practice Inventions and Discoveries – GK Quiz with Answers – Level 3

Consider the following statements about Nobel Prizes in physics and technology:

1. Albert Einstein received the Nobel Prize for the discovery of the law of the photoelectric effect, not for relativity.

2. Guglielmo Marconi and Ferdinand Braun shared the 1909 Nobel Prize for the development of wireless telegraphy.

3. The first semiconductor amplifier, the transistor, was built by William Shockley alone.

Which of the statements given above is/are correct?

Match List-I with List-II:

Select the correct answer using the codes given below.

Arrange the following discoveries in chronological order:

1. Robert Brown describes the cell nucleus

2. James Chadwick proves the existence of the neutron

3. Edward Jenner's smallpox vaccine

4. Wilhelm Röntgen's discovery of X-rays

Select the correct chronological order.

Consider the following statements:

1. Henri Becquerel discovered radioactivity when he observed that uranium salts give off radiation on their own.

2. Marie Curie received the 1911 Nobel Prize in Physics for discovering polonium and radium.

Which of the statements given above is/are correct?

Mendeleev's periodic table arranged the elements on the basis of their:

Consider the following pairs (Discovery : Discoverer):

1. Electron : J. J. Thomson

2. Cell nucleus : Robert Hooke

3. Insulin : Alexander Fleming

Which of the pairs given above is/are correctly matched?

Watson and Crick, who worked out the structure of DNA, shared their Nobel Prize with:

In his book Micrographia (1665), Robert Hooke described cells after observing small compartments in:

Match List-I with List-II.

Select the correct answer using the codes given below.

Consider the following statements about X-rays:

1. Wilhelm Röntgen discovered X-rays in 1895.

2. Röntgen received the Nobel Prize for X-rays in 1903.

3. An early X-ray photograph showed the bones of a hand without any operation.

Which of the statements given above is/are correct?