Laws & Theories

Total Questions: 13

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

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

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

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

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

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

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

8 - Which gas law explain why a balloon expands when heated?
A ) Charles's law ✅
B ) Boyle'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 ) Doubled
C ) Become three times
D ) Remain same

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

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

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