Which of the following is not a characteristic of a plane?
it cannot be seen
it is imaginary
its width can be measured
it is infinite
none of the above

Answer : Its width can be measured

Explanation:

The width of a plane can be measured is not a characteristic of plane.

The properties of a plane include:

Option (3)

Explanation:

A plane generally refers to a two-dimensional line that helps in identifying a particular feature. It has no definite length. These are simply imaginary lines.

It does not have any specific length, breadth or height, so the width of a plane is impossible to measure.

These planes can be numerous in number and they can be oriented in a horizontal or vertical manner. Sometimes they are inclined too. But they can also be parallel to one another or it can be intersecting at one common point.

Thus, the correct answer is option (3).

common management practices in dairy and poultry farming are: (i) proper shelter facilities and their regular cleaning. (ii) some basic hygienic conditions such as clean water, nutritious food, etc. (iii) animals are kept in spacious, airy, and ventilated place.