Choose the most appropriate synonym for the underlined word-

His assiduous nature won him laurels all the way.

industrious

The correct answer is Option (1) → industrious

• Assiduous (Adjective) means showing great care, diligence, and effort; hard-working.

• Industrious (Adjective) means diligent and hard-working. This is the closest synonym.

Other Options: 

• Assertive means having or showing a confident and forceful personality. (Relates to personality, not work ethic).

• Agnostic relates to skepticism about the existence of God. (Unrelated).

• Associative relates to connecting or linking things together. (Unrelated).