difference between "chief" and "boss"

[Doris]

Common Errors in English, Advanced Level

ESL/EFL Test #8 "Admire his Achievement", question 10

Since he's now the chef of the company and has worked his way to the top from office junior, you have to admire his achievement.

(a) chef
(b) has worked
(c) admire
(d) achievement

Common Errors in English, Advanced Level

ESL/EFL Test #8 "Admire his Achievement", answer 10

Since he's now the chief of the company and has worked his way to the top from office junior, you have to admire his achievement.

Correct entry: chief
The error was: (a) chef

You have found the error but your entry is incorrect.
Since he's now the boss of the company and has worked his way to the top from office junior, you have to admire his achievement.
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What's the differences about "chief" and "boss"?

Doris

[Mister Micawber]

.
Here, there is no difference, Doris. Your answer was marked incorrect because you failed to distinguish that it is a spelling error-- 'chief' vs 'chef'.
.
_________________
Canadian-American native speaker
who teaches English for a living at Mister Micawber's
ESL cafe: Interview with Mister Micawber

[Nessie]

And why "from office junior" but not "from an office junior"?
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... something we never have again, I know... I guess I really really know..

Sorry seems to be the hardest word...

[Mister Micawber]

.
Either is OK.

An office junior = a level
Office junior = a specific position 'title'
.
_________________
Canadian-American native speaker
who teaches English for a living at Mister Micawber's
ESL cafe: Interview with Mister Micawber