true-false
Allowing only the answers "true" or "false"Allowing only the answers "true" or "false".
Meaning
1 senses(not comparable)Allowing only the answers "true" or "false".
Somehow he got one true-false question wrong out of twenty.
Grading the twenty-question true-false quiz took only 30 seconds per student.
offering a series of statements each of which is to be judged as true or false