in the english chapter tests grammar section, it is written that there are MCQ's as well but when i click the topic only written tests come. in the written test i can't even write the answers

We have checked your query. The questions provided within the chapter test of 'Adjectives' are multiple choice questions. There are no written tests within the chapter. Kindly follow this link for the MCQ's based test.

https://www.meritnation.com/cbse/class9/chapter-tests/english/english-grammar/adjectives/adjectives/mcq/starttest/zx$BVjuoEirMLkn3DfDnmw!!