The correct spelling of the word given as option A is ‘capricious’. The meaning of the above given words is-

Capricious- fickle minded; whose mood changes without any valid reason and that too frequently.

Ambitious- person having a strong desire to attain any goal.

Fictitious- being fake in character.

Nutritious- being good for health.

So, the correct answer of the given question is option A.

The wrongly spelt word is option C. The correct spelling of the word given as option C is ‘hindrance’. The meaning of the above given words is-

Quarrelled-to have an angry argument with someone.

Tranquillity- the state of calmness.

Hindrance- obstacle in a process

Conscientious-one who acts as per moral principles.

The word given as option D is misspelt. The correct spelling is ‘relegate’. The meaning of the above given words are

Refurbish-to revamp or overhaul something so that it becomes functional/useful again.

Retrospect- review of past events.

Residue-the remains of something used up, consumed or finished.

Relegate-to demote or bring to a lower or inferior position.

Option (D) has the correctly spelt word. The word repetition means the action of repeating something that has already been said or written.

The correct spellings and their meanings are given below:

Competition: the activity or condition of striving to gain or win something by defeating or establishing superiority over others.

Destruction: the action or process of causing so much damage to something that it no longer exists or cannot be repaired.

Construction: the action of building something, typically a large structure.

Hence, option A is the correct answer.

Option A has the correctly spelt word.
‘Contingency’ means ‘a future event or circumstance which is possible but cannot be predicted with certainty’.
The correct spellings of other words are ‘probability’, ‘ternary’ and ‘difficult’.

Option B has the correctly spelt word.
‘Confirmation’ means ‘the action of confirming something or the state of being.
The correct spellings of other words are ‘invitation’, ‘contribute’ and ‘permanent’.

Option B has the correctly spelt word.
‘Dedication’ means the quality of being dedicated or committed to a task or purpose.
The correct spellings of other words are ‘communication’, ‘streaming’ and ‘processing’.

Option D has the correctly spelt word.
‘Visualization’ means ‘the representation of an object, situation, or set of information as a chart or other image’.
The correct spellings of other words are ‘cluster’, ‘truncate’ and ‘dangling’.

Option B has the correctly spelt word.
‘Terrific’ meaning ‘of great size, amount, or intensity’.
The correct spellings of other words are ‘tendency’, ‘behaviour’ and ‘quarter’.