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A. Large intestine
B. Mouth
C. Small intestine
D. Spleen
Answer
Answer
C. Small intestine
Submitted by: Toheed Ahmed
A solid ball of metal has a spherical cavity inside it. If the ball is heated, the volume of the cavity will
A. Have its shape changed
B. Remain unaffected
C. Increase
D. Decrease
Answer
Answer
D. Decrease
Submitted by: Toheed Ahmed
John Walker invented __________?
A. Safety razor
B. Safety pin
C. Safety match
D. Safety valve
Answer
Answer
C. Safety match
Submitted by: Toheed Ahmed
The instrument, used for recording tremors of earth, is known as
A. Seismograph
B. Lactometer
C. Hydrometer
D. Crescograph
Answer
Answer
A. Seismograph
Submitted by: Toheed Ahmed
A chair is tilted about two of its legs and then left. It would return to its original position if
A. Its centre of gravity falls within the base
B. Its centre of gravity falls outside the base
C. It is tilted through an angle of 60°
D. It will never regain its original position
Answer
Answer
A. Its centre of gravity falls within the base
Submitted by: Toheed Ahmed
Heat from the sun is received by the earth through
A. Radiation
B. Conduction
C. Convection
D. None of the above
Answer
Answer
A. Radiation
Submitted by: Toheed Ahmed
The picture tube of a black and white T.V. set has only one electron ‘gun’ that produces the picture on its screen. The number of electron ‘gun’ a colour picture tube has, is
A. Three
B. Five
C. Four
D. Six
Answer
Answer
A. Three
Submitted by: Toheed Ahmed
Which one of the following elements is extensively used in electronics?
A. Silicon
B. Zironium
C. Selenium
D. Sodium
Answer
Answer
A. Silicon
Submitted by: Toheed Ahmed
Which one of the following mixture of gases is required in gas welding?
A. Acetylene and hydrogen
B. Acetylene and oxygen
C. Oxygen and ethylene
D. Oxygen and hydrogen
Answer
Answer
B. Acetylene and oxygen
Submitted by: Toheed Ahmed
The largest cell in the human body is
A. Muscle cell
B. Nerve cell
C. Liver cell
D. Kidney cell
Answer
Answer
B. Nerve cell
Submitted by: Toheed Ahmed