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A. Glucose
B. Sucrose
C. Proteins
D. Fats
Answer
Answer
D. Fats
Submitted by: Toheed Ahmed
Acid rain contains high levels of?
A. Carbolic acid
B. Sulphuric and nitric acids
C. Acetic acid
D. Oxalic acid
Answer
Answer
B. Sulphuric and nitric acids
Submitted by: Toheed Ahmed
Heating element of an electric heater is made up of?
A. Graphite
B. Tungsten
C. Nichrome
D. Chromium
Answer
Answer
C. Nichrome
Submitted by: Toheed Ahmed
During a total solar eclipse there is most likely to be _________?
A. A decrease in the rate of photosynthesis
B. An increase in the rate of photosynthesis
C. A decrease in the rate of respiration
D. No effect on either photosynthesis or respiration
Answer
Answer
A. A decrease in the rate of photosynthesis
Submitted by: Toheed Ahmed
When water is filled in a bottle and is to freeze, the bottle breaks because _________?
A. Water expands on freezing
B. temperature outside the bottle is less than that inside the bottle
C. Bottle contracts at freezing point
D. None of the above
Answer
Answer
A. Water expands on freezing
Submitted by: Toheed Ahmed
The sky appears blue because the earth’s
A. Scatters blue light
B. Has actual blue cover
C. Transmits blue light
D. Reflects blue light
Answer
Answer
D. Reflects blue light
Submitted by: Toheed Ahmed
Steering of a car involves
A. A single force
B. A pair of forces acting along the same line and in opposite direction
C. Two forces acting along different lines and in opposite direction
D. Two forces acting in the same direction
Answer
Answer
B. A pair of forces acting along the same line and in opposite direction
Submitted by: Toheed Ahmed
Fuse wire is made of ________?
A. 63% lead and 37% aluminium
B. 63% tin and 37% aluminium
C. 63% lead and 37% tin
D. 63% tin and 37% lead
Answer
Answer
D. 63% tin and 37% lead
Submitted by: Toheed Ahmed
A slow-running pendulum clock can be speeded up by?
A. Reducing the weight of the bob
B. Reducing the length of the rod
C. Increasing the weight of the bob
D. Increasing the length of the rod
Answer
Answer
B. Reducing the length of the rod
Submitted by: Toheed Ahmed
Which gas is commonly used in balloons and airships?
A. Hydrogen Sulphide
B. Carbon
C. Helium
D. Hydrogen
Answer
Answer
C. Helium
Submitted by: Toheed Ahmed