What does Human Heart refer to?
Difficulty: Easy
About this MCQ
This Easy General Science and Nature question asks: What does Human Heart refer to? The correct choice is A. The muscular organ that pumps blood through the circulatory system, consisting of four chambers. 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. The muscular organ that pumps blood through the circulatory system, consisting of four chambers ✓
- B. The largest planet in the solar system, a gas giant known for its Great Red Spot
Why not B: “The largest planet in the solar system, a gas giant known for its Great Red Spot” does not fit this question. The answer is The muscular organ that pumps blood through the circulatory system, consisting of four chambers.
- C. The theoretical lowest possible temperature, equal to zero on the Kelvin scale or about -273.15 degrees Celsius
Why not C: “The theoretical lowest possible temperature, equal to zero on the Kelvin scale or about -273.15 degrees Celsius” does not fit this question. The answer is The muscular organ that pumps blood through the circulatory system, consisting of four chambers.
- D. A gas law stating that the pressure of a gas is inversely proportional to its volume at constant temperature
Why not D: “A gas law stating that the pressure of a gas is inversely proportional to its volume at constant temperature” does not fit this question. The answer is The muscular organ that pumps blood through the circulatory system, consisting of four chambers.
Correct answer
A. The muscular organ that pumps blood through the circulatory system, consisting of four chambers
Explanation
The muscular organ that pumps blood through the circulatory system consisting of four chambers option A is the accepted answer to What does Human Heart refer to Option B The largest planet in the solar system a gas giant known for its Great Red Spot does not fit this question Option C The theoretical lowest possible temperature equal to zero on the Kelvin scale or about - degrees Celsius does not fit this question Option D A gas law stating that the pressure of a gas is inversely proportional to its volume at constant temperature does not fit this question For this General Science and Nature question the accepted answer.
Source: General Knowledge Official Reference Guide
Tags: FPSC, PPSC, General Knowledge, NTS, General Science and Nature
Submitted by: MCQsHub Editorial
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