PMS PAST PAPER HELD ON 04.04.2022In composition of water in human brain is?
A) 25%
B) 50%
C) 75%
D) 95%
The human brain contains approximately 75% water, making hydration essential for proper brain function. Water supports nutrient transport, temperature regulation, and electrical activity necessary for thinking and memory.
PMS PAST PAPER HELD ON 04.04.2022
A)
Nikola Tesla
B)
Guglielmo Marconi
C)
Alexander Graham Bell
D)
Samuel Morse
Guglielmo Marconi successfully transmitted radio signals over long distances and is widely recognized as the pioneer of practical wireless communication. His experiments laid the foundation for modern radio, television, and wireless technology.
PMS PAST PAPER HELD ON 04.04.2022
A)
Quantum theory
B)
Gravitational theory
C)
Theory of relativity
D)
Quality theory
Max Planck introduced quantum theory in 1900 while studying blackbody radiation. His work revolutionized modern physics by showing that energy is emitted in discrete packets called quanta, laying the foundation for quantum mechanics.
PMS PAST PAPER HELD ON 04.04.2022
A)
Emerges
B)
Explodes
C)
Freezes
D)
Falls
A supernova occurs when a star explodes violently at the end of its life cycle. This massive explosion releases enormous energy and can briefly outshine entire galaxies while spreading heavy elements into space that later form planets and stars.
PMS PAST PAPER HELD ON 04.04.2022
A)
CaCO₃
B)
CaO
C)
CO₂
D)
Ca(OH)₂
When sodium bicarbonate (NaHCO₃), also known as baking soda, is heated, it decomposes and releases carbon dioxide gas (CO₂). The reaction also produces sodium carbonate and water, which is why baking soda is widely used in baking and fire extinguishers.
PMS PAST PAPER HELD ON 04.04.2022
A)
2012
B)
2015
C)
2016
D)
2017
The Paris Climate Conference, also known as COP21, was held in 2015 in Paris, France. Countries from around the world adopted the Paris Agreement to limit global warming and reduce greenhouse gas emissions through international cooperation.
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