Everyday Science MCQS
Petrology is the study of rocks in the
Wood engraving
Secret writing
History of life
Earth’s crust
The length and breadth of a square are increased by 40% and 30% respectively.The area of the resulting rectangle exceeds the area of the square by:
0.42
0.82
0.62
0.35
Who invented a modern, Moveable type printing press:
Gutenberg
Edison
Marconi
Gates
A man spends one quarter of his income on food. one fifth of it on rent and remaining which in Rs. 231 on other commodities. Find his total income:
Rs. 400
Rs.420
Rs.410
Rs. 460
Human breath is visible in winter but not in summer because:
The difference in outside pressure gives visibility to breath
Nine if these
Breath contains certain impurities and visible matters
Water vapour in breath condenses in cold air making it visible
What is the enzyme that is in stomach acid called?
None of these
Maltase
Amylase
Pepsin
What does a Barometer measure:
Atmospheric pressure
Water pressure
Geographical Imbalances
Atmospheric Humidity
Which gas is used for converting vegetable oils into saturated fats?
SI2a
O2
SO2
H2
What rays of sunlight are mostly utilized by chlorophyll in photosynthesis?
Blue
Red
Green
Yellow
A plug guage is used to measure the
Bores of cyclinders
Pitch of thread
Angles
Flatness
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