OTEE - Officer Trainee Entrance General Science Principles Questions and Answers

Question 1

An individual is standing on a scale in an elevator that is accelerating upwards. How will the reading on the scale compare to their actual weight?

Accepted Answer

The reading will be higher than the actual weight.

Answer

The reading will be lower than the actual weight.

Answer

The reading will be the same as the actual weight.

Answer

The reading will be zero.

Question 2

Which of the following chemical principles best explains why a mixture of oil and water separates into two distinct layers?

Accepted Answer

The principle of 'like dissolves like'

Answer

Le Chatelier's Principle

Answer

The Law of Conservation of Mass

Answer

Avogadro's Law

Question 3

In the process of photosynthesis, plants convert light energy into which type of energy for storage?

Accepted Answer

Chemical Energy

Answer

Mechanical Energy

Answer

Nuclear Energy

Answer

Heat Energy

Question 4

A scientist observes that a metal object rusts when exposed to air and moisture. This change is an example of a:

Accepted Answer

Chemical change

Answer

Physical change

Answer

Phase transition

Answer

Nuclear reaction

Question 5

Which of the following is the primary function of mitochondria within a eukaryotic cell?

Accepted Answer

To generate most of the cell's supply of adenosine triphosphate (ATP)

Answer

To store genetic information

Answer

To synthesize proteins

Answer

To control the passage of substances into and out of the cell

Question 6

Sound waves travel fastest through which of the following mediums?

Accepted Answer

A solid steel beam

Answer

A vacuum

Answer

Pure water

Answer

The air at sea level

An individual is standing on a scale in an elevator that is accelerating upwards.How will the reading on the scale compare to their actual weight?