Study HubHubPage 21/62Scan verified MCQs with the answer highlighted, then open explanations when you want the reasoning.
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Pakistan highways
The Karakoram Highway in Pakistan is how many kilometers long?
The Karakoram Highway in Pakistan is approximately 804 kilometers long, making option A the closest and correct answer. Option B (805 km) is slightly off, and option C (803 km) is less accurate. 'None of these' is incorrect since the length is well documented.
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Instruments
Who invented the Doctor's Thermometer?
Daniel Gabriel Fahrenheit invented the mercury-in-glass thermometer, which is considered the basis for the modern clinical thermometer, often called the Doctor's Thermometer. The other options are incorrect or misspelled.
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Earth’s orbit
If the plane of the Earth's equator were not inclined to the plane of Earth's orbit, what would be the effect?
If the Earth's equatorial plane were not inclined to the plane of its orbit (the ecliptic), there would be no seasonal variation because the Sun's rays would strike the Earth uniformly throughout the year. Therefore, there would be no change of seasons.
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Human digestive system
In which of the following organs of the human body does the maximum absorption of food take place?
The small intestine is the primary site for the absorption of nutrients from digested food due to its large surface area and specialized structures like villi and microvilli. The large intestine mainly absorbs water and electrolytes, while the liver processes nutrients but does not absorb them from food.
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Percentages
What is (25/3)% of a given number? (Note: The base number is not specified.)
The question is incomplete as it does not specify the base value to which (25/3)% should be applied. Without this, the answer cannot be determined. Therefore, among the given options, 'None of these' is the correct choice.
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Ratio & Percentages
Salaries of A, B, and C are in the ratio 1:2:3. The combined salary of B and C is Rs. 60,000. By what percent is the salary of C more than that of A?
Given the ratio of salaries A:B:C = 1:2:3, let A = x. Then B = 2x and C = 3x. Since B + C = 60000, 2x + 3x = 5x = 60000, so x = 12000. Salary of A = 12000, Salary of C = 36000. The percentage by which C is more than A is ((36000 - 12000) / 12000) * 100 = 200%.
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Technology
Though Mitsubishi built the VCR market from 1969 onward with its VHS standard, it was actually another company that made the first video recorder. Name it.
Ampex was the first company to develop and market the video tape recorder in 1956, predating Mitsubishi's VHS system introduced in 1969. Therefore, Ampex is correctly identified as the maker of the first video recorder.
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Crusades
Pope Innocent III, who became pope in 1198, led the -------.
Pope Innocent III, who became pope in 1198, was the initiator and leader behind the Fourth Crusade, which took place from 1202 to 1204. He called for this crusade to reclaim Jerusalem but it ended up diverting to Constantinople.
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Pakistan institutions
The Atomic Energy Commission of Pakistan was established in which year?
The Atomic Energy Commission of Pakistan was established in 1954, making option A the correct answer. This commission was formed to oversee the development and regulation of nuclear energy in Pakistan.
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Electronics
The invention of which product by Robert Noyce in 1959 made electronic equipment shrink in size?
Robert Noyce co-invented the integrated circuit in 1959, which allowed electronic equipment to become much smaller and more efficient compared to earlier technologies like transistors and vacuum tubes. This invention was crucial in miniaturizing electronic devices.