Pak Navy Test MCQs : Best for PN Initial Tests 2023-2024
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Pak Navy Test MCQs : Best for PN Initial Tests 2023-2024 |
Q#1: Washing Soda is the common name
of?
Ans. Sodium Carbonate
Q#2: The Chemical Name of Laughing gas is?
Ans. Nitrous Oxide
Q#3: The Cell discovered by?
Ans. Robert Hook in 1665
Q#4: The Nucleus is discovered by?
Ans. Robert Brown in 1831
Q#5: The Microscope was discovered by?
Ans. Galileo in 1610
Q#6: Ball Pen Invented by?
Ans. American Scientist Jan Lowd in 1888
Q#7: Mercury is also known as?
Ans. Quick Silver
Q#8: How many Legs do butterflies have?
Ans. 6 legs and 2 pair of wings
Q#9: The Heart of a Normal adult human being weight about?
Ans. 300 grams
Q#10: What is the average adult pluse rate?
Ans. 72 - 80
Q#11: The Cow's milk contains how much amount of water in terms of
percentage?
Ans. 80%
Q#12: Instrument to detect the purity of Milk is?
Ans. Lactometer
Q#13: Radioactivity was First Discovered by?
Ans. Madam Curry
Q#14: Which gas is commonly used in balloons and airships?
Ans. Hydrogen
Q#15: Which gas is used in the preparation of soft drinks?
Ans. Carbon dioxide
Q#16: In blood 'the percentage of water is?
Ans. 90%
Q#17: The volume percentage of Nitrogen in air is?
Ans. 78%
Q#18: Air contains volume of carbon dioxide?
Ans. 0.03%
Q#19: For water purification we use?
Ans. Chlorine
Q#20: The human blood is devided into?
Ans. 4 groups
Q#21: A Man can Survive without food?
Ans. One month
Q#22: The muscles, tissues, and
blood all are made up of?
Ans. Proteins
Q#23: What does make the blood look red?
Ans. Hemoglobin
Q#24: The acid used in a Car battery
is?
Ans. Sulphric Acid
Q#25: The major part of natural gas 'petroleum and coal' consist of?
Ans. Methane
Q#26: The speed of sound is?
Ans. 340 meter per second
Q#28: During sleep a man's blood pressure?
Ans. Fluctuates
Q#28: The smallest plants on the earth are?
Ans. Algae
Q#29: Who invented the polio vaccine
(oral)?
Ans. Albert Sabin
Q#30: Total volume of blood in a normal human being?
Ans. *5-6 liters
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