Everyday Science Test 09
Total Questions: 30
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A ) Boiling point of water is decreased
B ) Boiling point of water is increased ✅
C ) It absorbs heat quickly
D ) It retains heat for a long duration
A ) To make the electrical circuit strong
B ) Convert AC to DC
C ) Convert DC to AC
D ) Prevent an unduly high electric current to pass through a circuit ✅
A ) Protons+ Electrons
B ) Only electron
C ) Protons neutrons electrons
D ) Protons and neutrons ✅
A ) In case of a shot circuit, current passes to the earth ✅
B ) It avoids leakage of electricity
C ) It completes the electric circuit
D ) It reduces fluctuations
A ) Frequency qnd wavelength
B ) Frequency qnd speed
C ) Wavelength and speed ✅
D ) Frequency, wavelength and speed
A ) Chromium
B ) Titanium
C ) Palladium ✅
D ) None
A ) Iron gains weight ✅
B ) Iron loss weight
C ) Weight of iron remains unchanged
D ) Iron volatilize
A ) Total reflection
B ) Internal reflection
C ) Total internal reflection ✅
D ) Total internal refraction
A ) 0
B ) Small but not zero
C ) Very large ✅
D ) Normal
A ) Velocity of sound
B ) Reflecting properties of walls and ceiling ✅
C ) Quality of sound
D ) None
A ) Heat exchange in chemical reaction ✅
B ) Decomposition during electrolysis
C ) Effect of pressure on gases
D ) None
A ) Electrolysis ✅
B ) Reaction of gases
C ) Pressure of gases
D ) Temperature and pressure
A ) Fermentation of Lactose ✅
B ) Reaction of microbes
C ) Over heating
D ) Fungus growth
A ) Boyle's law
B ) Charles's law
C ) Gay Lussac's law
D ) Faraday's law ✅
A ) Tannic acid: Leather ✅
B ) Amino acid: protein
C ) Lactic acid:Milk
D ) Acetic acid: Vinegar
A ) Neon
B ) Nitrogen
C ) Carbon dioxide ✅
D ) Carbon monoxide
A ) Souring of milk
B ) Magnetising of an iron rod ✅
C ) Corrosion of metal
D ) Explosion
A ) Coal
B ) Graphite
C ) Diamond ✅
D ) None
A ) Hydrogen
B ) Carbon dioxide
C ) Methane
D ) Ethylene ✅
A ) Ferrous chloride
B ) A mixture of ferrous and ferric hydroxide ✅
C ) Sodium carbonate
D ) Ferric chloride
A ) Sucrose
B ) Catalase
C ) Maltase
D ) Amylase ✅
A ) It is useful in metabolism
B ) It is useful in digestion
C ) It gives energy ✅
D ) It is useful in growth
A ) Fats and sugar
B ) Fats,sugar and protein
C ) Starch,sugar and protein
D ) Starch and sugar ✅
A ) Eyes
B ) Heart
C ) Brain
D ) Lungs ✅
A ) Vein
B ) Artery
C ) Capillary ✅
D ) Aorta
A ) 80/120mm Hg ✅
B ) 90/140mm Hg
C ) 20/160mm Hg
D ) 85/150mm Hg
A ) Regulation of urine formation
B ) Regulation of digestion
C ) Initiation of heartbeat ✅
D ) Initiation of respiration
A ) Space travel
B ) Blood transfusion ✅
C ) Air pressure
D ) Blood pressure
A ) Protein ✅
B ) Carbohydrates
C ) Vitamins
D ) Fats
A ) 1.5 ✅
B ) 2.5
C ) 3.0
D ) 3.5