According to question , we know that
Relation - Part - Whole; room is an essential unit of a housing entity, cockpit is also an essential unit of a plane, cabin is not an exclusive unit of ship similarly wheel is not an exclusive unit of car.

Correct Option: D

According to question , we know that
Relation - Part - Whole; room is an essential unit of a housing entity, cockpit is also an essential unit of a plane, cabin is not an exclusive unit of ship similarly wheel is not an exclusive unit of car.
Hence , ROOM : HOUSE :: COCKPIT : PLANE is required answer .

opposite of arrogant

Correct Option: C

The opposite of indifferent is concern. Therefore, modesty is the opposite of arrogant.

According to question ,
An author writes a manuscript. Similarly an architect designs a blueprint.

Correct Option: C

According to question ,
An author writes a manuscript. Similarly an architect designs a blueprint.
Hence , AUTHOR : MANUSCRIPT :: ARCHITECT : BLUEPRINT is correct answer .

According to question , we know that
Cacophonous (meaning being loud) is opposite in meaning to harmonious (meaning friendly or peaceful). Similarly bellicose (meaning warlike) is opposite in meaning to pacific (meaning peaceful).

Correct Option: B

According to question , we know that
Cacophonous (meaning being loud) is opposite in meaning to harmonious (meaning friendly or peaceful). Similarly bellicose (meaning warlike) is opposite in meaning to pacific (meaning peaceful).
Hence , CACOPHONOUS : HARMONIOUS :: BELLICOSE : PACIFIC is correct answer .

As per the given question , we know that
The relationship here is of member and class. A wasp is a kind of insect, as a snake is a kind of reptile.

Correct Option: C

As per the given question , we know that
The relationship here is of member and class. A wasp is a kind of insect, as a snake is a kind of reptile.
Therefore , required answer will be SNAKE : REPTILE :: Wasp : Insect .