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A. Their diet and drinking water are deficient in iodine
B. Of low atmospheric pressure there
C. Of non-availability of sufficient amount of oxygen
D. Of low temperature
Answer
Answer
A
Submitted by: Toheed Ahmed
Which one of the following elements is found common in glass, cement, china clay and quartz?
A. Carbon
B. Calcium
C. Aluminium
D. Silicon
Answer
Answer
D. Silicon
Submitted by: Toheed Ahmed
The filament of an electric bulb is made of
A. Nichrome
B. Tungsten
C. Iron
D. Carbon
Answer
Answer
B. Tungsten
Submitted by: Toheed Ahmed
Non-stick kitchenware is coated with __________?
A. Teflon
B. Silicon
C. Graphite
D. Glass
Answer
Answer
A. Teflon
Submitted by: Toheed Ahmed
Which one of the following statements is not correct?
A. All stainless steels are non-magnetic
B. All steels are magnetic
C. All metals are good electrical conductors
D. All plastics are good insulators of heat
Answer
Answer
B. All steels are magnetic
Submitted by: Toheed Ahmed
Liquified petroleum gas consists of mainly
A. Methane, butane and propane
B. Mathane, ethane and hexane
C. Ethane, hexane and nonane
D. None of the above
Answer
Answer
A. Methane, butane and propane
Submitted by: Toheed Ahmed
Mother’s milk is preferred to cow’s milk because it contains
A. More lipids and less fats
B. Less fats and less lipids
C. Less lipids and more fats
D. More fats and more lipids
Answer
Answer
B. Less fats and less lipids
Submitted by: Toheed Ahmed
Which of the following is used as a food preservative?
A. Citric acid
B. Sodium benzoate
C. Sodium perborate
D. None of the above
Answer
Answer
B. Sodium benzoate
Submitted by: Toheed Ahmed
Light energy is converted into chemical energy by
A. Photosynthesis
B. Respiration
C. Electrolysis
D. Transpiration
Answer
Answer
A. Photosynthesis
Submitted by: Toheed Ahmed
Which of the following scales was devised by Celsius?
A. Centigrade
B. Absolute
C. Fahren heit
D. Romer
Answer
Answer
A. Centigrade
Submitted by: Toheed Ahmed