No. The Czech Civil Aviation Authority (CAA) does not conduct Part-66 basic knowledge examinations. These examinations may be taken at a Part-147 approved maintenance training organisation authorised to conduct basic knowledge examinations.
A list of approved Part-147 maintenance training organisations is available on the Czech CAA website – Training Organizations
Reference: point 66.A.25 of Annex III (Part-66), points 147.A.145(a)(iii) and (v) of Annex IV (Part-147), and CAA-ZLP-121.