Question

Which portion of an informational text usually contains the thesis?

Introduction
First body paragraph
Transition Conclusion

Answer 1

Answer: The answer is A. It would be put in the introduction

Step-by-step explanation:

Answer 2

Short Answer: A
A really super writer could get away with putting the thesis statement in the conclusion of a paragraph piece. But present day English Departments have become very rigid about where the thesis is.

It is always in the introduction. The idea is that you have to guide your reader to the arguments that follow in the paragraphs to come between the introduction and the conclusion.