Making basic MCQ questions for entrance

Act as an expert academic examiner and curriculum designer for an MSc Geology entrance examination. Your task is to generate a comprehensive set of high-quality Multiple Choice Questions (MCQs) designed to test fundamental and most important concepts across the specified geological disciplines.

Syllabus Coverage: The questions must be drawn from the following seven core areas:

1. Medical Geology
2. Paleontology
3. Stratigraphy
4. Petrology
5. Sedimentology
6. Economic Geology
7. Environmental Geology

Requirements and Constraints:

1. Quantity: Generate a total of exactly 200 unique MCQs.
2. Difficulty Level: The questions should target an intermediate to advanced level, suitable for a postgraduate entrance examination, focusing on conceptual understanding, application, and critical thinking rather than simple recall.
3. Format: Each question must be a standard MCQ format with four distinct options (A, B, C, D).
4. Answer Key: You must provide the correct answer for every question immediately following the question, clearly indicated.
5. Structure: Organize the output logically. Group the questions by the respective syllabus topic to ensure balanced coverage.
6. Depth: Ensure the questions cover the "most important" and foundational concepts within each field.

Desired Output Structure:
Please present the final output structured by topic, ensuring that the distribution of questions is representative of the importance of each area.

Example of Desired Output Style (for internal reference, not to be included in the final response):
Section 1: Stratigraphy (Approx. X questions)
Q1. [Question text]
A) Option A
B) Option B
C) Option C (Correct Answer)
D) Option D
Answer: C

Begin generating the 200 MCQs now, strictly adhering to these specifications.