A Field Trip is an activity where students are taken to the real world where they can see the real objects and learn through real experiences. The structured Worksheet shows all the activities the students ought to be completed through their field trip to get a complete understanding of that particular topic.Formal instructions for the visit should be given compulsorily to the students because this ensures the safety of the students by providing dos and don'ts in the field trip.Creating a group of students and their leader decreases the stress on teachers and increases the pace of learning which is the primary objective of field trips. Additional InformationAn unstructured worksheet may lead the student in the wrong direction due to which he or she may not be able to gain proper knowledge from that field trip, and the purpose of the field trip may not be fulfilled.Hence A and C & D are the correct options for this question.