A person climbing a hill bends forward in order to:
- (A) Avoid slipping
- (B) Increase speed
- (C) Increase stability
- (D) Reduce fatigue
- (C) Increase stability
A train goes past a railway station at a high speed. A young boy standing on the edge of the platform is likely to:
- (A) Fall away from the train
- (B) Remain unaffected
- (C) Fall towards the train
- (D) Fall away from or towards the train depending upon the speed
- (C) Fall towards the train
Which of the following air carriers no moisture?
- (A) Dry air
- (B) Warm air
- (C) Cool air
- (D) Ice wind
- (A) Dry air
A bomb explodes on the moon. You will hear its sound on earth after:
- (A) 20 minutes
- (B) 2 hours 20 minutes
- (C) 7 hours
- (D) You cannot hear the sound of explosion
- (D) You cannot hear the sound of explosion
It is difficult to cook on mountains because:
- (A) Lack of oxygen
- (B) Low temperature
- (C) Low atmospheric pressure
- (D) High atmospheric pressure
- (C) Low atmospheric pressure
In a railway track, two rails are joined end to end with a gap in between them because:
- (A) Air gaps are necessary for bearing the weight of running train
- (B) Steel can be saved
- (C) Accidents due to contraction in winter can be avoided
- (D) Accidents due to expansion in summer can be avoided
- (D) Accidents due to expansion in summer can be avoided
A lake starts freezing because of the cold atmosphere. It will first freeze:
- (A) At the top surface
- (B) At the bottom surface
- (C) In the middle surface
- (D) Uniformly throughout the water body
- (A) At the top surface
When a person enters a dark room from bright light, he is not able to see clearly for a little while because the:
- (A) Retina becomes insensitive momentarily
- (B) Iris is unable to unable to dilate the pupil immediately
- (C) Eye is unable to adjust itself immediately
- (D) Distance between the lens and retina take time to adjust
- (B) Iris is unable to unable to dilate the pupil immediately
Why do we laugh?
- (A) To appreciate something
- (B) To welcome somebody
- (C) To express our feelings
- (D) To mock at someone
- (C) To express our feelings
The sun rays falling on a thin film of oil spread over a water surface breaks into different colors. This is due to:
- (A) Interference
- (B) Refraction
- (C) Polarization
- (D) Reflection
- (A) Interference