What does 'in general' mean?

[Stefanstz]

English Language Proficiency Tests, Advanced Level

ESL/EFL Test #653 "Prepositional Phrases - In, On, Out and Under (26)", question 3

I like plants, ......... general, but I don't like blackberry bushes, poison oak, or star thistles.

(a) in
(b) on
(c) out
(d) under

English Language Proficiency Tests, Advanced Level

ESL/EFL Test #653 "Prepositional Phrases - In, On, Out and Under (26)", answer 3

I like plants, in general, but I don't like blackberry bushes, poison oak, or star thistles.

Correct answer: (a) in

Your answer was: incorrect
I like plants, out general, but I don't like blackberry bushes, poison oak, or star thistles.
_________________________

is out general lake in generally or out general means not at all

[Torsten]

The phrase is 'in general' not 'out general'. In general means 'in most cases'.

TOEFL listening discussions: A conversation between a professor and his student