Laws & Theories

Total Questions: 13

1 - Who proposed the theory of evolution?
A ) Charles Darwin ✅
B ) Herbert Spencer
C ) Mendel
D ) None of these

2 - If we go up, pressure will------ ?
A ) Decrease ✅
B ) Increase
C ) Remain constant
D ) No change

3 - Gaseous pressure is measured by -------:
A ) Monometer ✅
B ) Barometer
C ) Hydrometer
D ) Thermometer

4 - Wind always blows from area of high pressure -----:
A ) Low pressure ✅
B ) High pressure
C ) Remain same
D ) None of these

5 - The cell theory was given by ----:
A ) Schleiden and Schwann ✅
B ) Albert Von Roel liker
C ) Haeckel
D ) Hooke

6 - Law of independent assortment was given by ----:
A ) Darwin
B ) Robert koch
C ) Mendel ✅
D ) None of these

7 - What is minimum wind speed of a tropical depression?
A ) 30-34 mph ✅
B ) 30-36 mph
C ) 30-39 mph
D ) 30-32 mph

8 - Which gas law explain why balloon expands when heated?
A ) Boyle's law
B ) Charles's law ✅
C ) Gay-Lussac's law
D ) Dalton's law

9 - Volume of gas is inversely proportional to its pressure. What would be its volume when pressure is doubled?
A ) Become half ✅
B ) Become three times
C ) Remain same
D ) Doubled

10 - The instrument used to measure wind speed is called -----:
A ) Anemometer ✅
B ) Hydrometer
C ) Barometer
D ) Manometer

11 - What happenes to a gas when it is compressed?
A ) Volume decreases ✅
B ) Volume increases
C ) Temperature decreases
D ) Pressure remain constant

12 - Boyle's law applies to which of the following states of matter?
A ) Gases ✅
B ) Liquids
C ) Solids
D ) Plasma

13 - What is the relationship between gas temperature and pressure in a closed system?
A ) Direct ✅
B ) Inverse
C ) No relation
D ) Random
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