The classification of blood based on the ABO system, comprising types A, B, AB, and O. What is this called?
Difficulty: Hard
About this MCQ
This Hard General Science and Nature question asks: The classification of blood based on the ABO system, comprising types A, B, AB, and O. What is this called? The correct choice is A. Blood Types. Read the options below, commit to one, then use the explanation to see why that choice holds and why the others do not.
General Science and Nature items like this one are written for Pakistan exams such as CSS, FPSC, PPSC, and NTS. The difficulty label is a hint about how much of the topic the stem assumes, not a score. Tags and exam names, when they are present, tell you where else the same idea is tested. Previous and next links stay in General Science and Nature so you can continue the subject. Related questions point at nearby stems if you want another angle on the same idea.
Treat the explanation as part of the question, not a footnote. If you missed it, reread the stem against the correct option before you open the next General Science and Nature item. A timed quiz is the same pool with a clock and a score. A past paper is a full sitting rather than this single question.
- A. Blood Types ✓
- B. Speed of Light
Why not B: “Speed of Light” does not fit this question. The answer is Blood Types.
- C. White Blood Cells
Why not C: “White Blood Cells” does not fit this question. The answer is Blood Types.
- D. Vitamin D
Why not D: “Vitamin D” does not fit this question. The answer is Blood Types.
Correct answer
A. Blood Types
Explanation
Blood Types (option A) is the accepted answer to “The classification of blood based on the ABO system, comprising types A, B, AB, and O. What is this called”. Option B (Speed of Light) does not fit this question. Option C (White Blood Cells) does not fit this question. Option D (Vitamin D) does not fit this question. For this General Science and Nature question, the accepted answer is Blood Types.
Source: General Knowledge Official Reference Guide
Tags: FPSC, PPSC, General Knowledge, NTS, General Science and Nature
Submitted by: MCQsHub Editorial
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