Question : Who was credited with discovering the hydrogen isotope, or heavy hydrogen, for which he later received the 1934 Nobel Prize in Chemistry?
Option 1: Francis William Aston
Option 2: Glenn Theodore Seaborg
Option 3: Harold C Urey
Option 4: Fritz Haber
Correct Answer: Harold C Urey
Solution : The correct option is Harold C Urey.
The discovery of the hydrogen isotope deuterium, also known as heavy hydrogen, is credited to Harold Urey. He received the Nobel Prize in Chemistry in 1934 for his work on the hydrogen isotope. Urey's research on deuterium played a significant role in advancing our understanding of atomic structure and isotopes.
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Question : 84 Maths books, 90 Physics books, and 120 Chemistry books have to be stacked topicwise. How many books will be there in each stack so that each stack will have the same height too?
Option 1: 12
Option 2: 18
Option 3: 6
Option 4: 21
Question : Comprehension:
In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.
The world is undergoing rapid changes in the knowledge landscape. With various dramatic scientific and technological advances, such as the rise of big data, machine learning, and artificial intelligence, many unskilled jobs worldwide may be taken over by machines, while the need for a skilled workforce, particularly involving mathematics, computer science, and data science, in conjunction with multidisciplinary abilities across the sciences, social sciences, and humanities, (1)________ increasingly in greater demand. With climate change, increasing pollution, and depleting natural resources, there will be a sizeable shift in how we (2)_______ the world's energy, water, food, and sanitation needs, again resulting in the need for new skilled labour, particularly in biology, chemistry, physics, agriculture, climate science, and social science. The growing (3)________ of epidemics and pandemics will also (4)_______ collaborative research in infectious disease management and development of vaccines, and the resultant social issues heighten the need for multidisciplinary learning. There will be a growing (5)__________ for humanities and art as India moves towards becoming a developed country as well as among the three largest economies in the world.
Question:
Select the most appropriate option to fill in the blank number 3.
Option 1: wane
Option 2: dissolution
Option 3: emergence
Option 4: need
Select the most appropriate option to fill in the blank number 2.
Option 1: had
Option 2: meet
Option 3: have
Option 4: see
Select the most appropriate option to fill in the blank number 4.
Option 1: call off
Option 2: call in
Option 3: call out
Option 4: call for
Select the most appropriate option to fill in the blank number 1.
Option 1: is
Option 2: are
Option 3: will be
Option 4: should be
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