Which term refers to the muscular organ that pumps blood through the circulatory system, consisting of four chambers?
Difficulty: Easy
About this MCQ
This Easy General Science and Nature question asks: Which term refers to the muscular organ that pumps blood through the circulatory system, consisting of four chambers? The correct choice is A. Human Heart. 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. Human Heart ✓
- B. Human Skeleton
Why not B: “Human Skeleton” does not fit this question. The answer is Human Heart.
- C. Speed of Light
Why not C: “Speed of Light” does not fit this question. The answer is Human Heart.
- D. Insects
Why not D: “Insects” does not fit this question. The answer is Human Heart.
Correct answer
A. Human Heart
Explanation
Human Heart is the term that matches “Which term refers to the muscular organ that pumps blood through the circulatory system, consisting of four chambers” (option A). Option B (Human Skeleton) does not fit this question. Option C (Speed of Light) does not fit this question. Option D (Insects) does not fit this question. For this General Science and Nature question, the accepted answer is Human Heart.
Source: General Knowledge Official Reference Guide
Tags: FPSC, PPSC, General Knowledge, NTS, General Science and Nature
Submitted by: MCQsHub Editorial
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