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A. Banana
B. Grapes
C. Date
D. Papaya
Answer
A. Banana
Submitted by: Toheed Ahmed
A cyclist negotiating a bend, tilts from the vertical direction because of
A. Gravitation and centripetal force
B. Gravitation and centrifugal force
C. Friction and centrifugal force
D. Gravitation and friction
Answer
C. Friction and centrifugal force
Submitted by: Toheed Ahmed
The phenomenon of mirage is due to
A. Change in refractive index of air with change in temperature
B.Polarisation of light on reflection
C. Total internal reflection
D. Absorption of light by air at higher temperature
Answer
C. Total internal reflection
Submitted by: Toheed Ahmed
Fat is digested in the ________?
A. Large intestine
B. Mouth
C. Small intestine
D. Spleen
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
D. Decrease
Submitted by: Toheed Ahmed
John Walker invented __________?
A. Safety razor
B. Safety pin
C. Safety match
D. Safety valve
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
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
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
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
A. Three
Submitted by: Toheed Ahmed