Q. 1
Pakistan Affairs
Difficulty: Medium
(1 Mark)
Optical Fiber System is a:
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Step-by-Step Explanation & Concept Rationale
Optical fiber uses light pulses to transmit high-speed data and voice.
Q. 2
Pakistan Affairs
Difficulty: Medium
(1 Mark)
Diabetes is caused due to the deficiency of:
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Step-by-Step Explanation & Concept Rationale
This condition arises when the pancreas does not produce enough insulin.
Q. 3
Pakistan Affairs
Difficulty: Medium
(1 Mark)
Which of the following is the only food that does not get spoiled?
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Step-by-Step Explanation & Concept Rationale
Honey's unique chemical composition allows it to last indefinitely without spoiling.
Q. 4
Pakistan Affairs
Difficulty: Medium
(1 Mark)
The main function of kidney is:
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Step-by-Step Explanation & Concept Rationale
Kidneys filter the blood to remove metabolic waste and excess water as urine.
Q. 5
Pakistan Affairs
Difficulty: Medium
(1 Mark)
It is dangerous to sleep under trees at night because plants give out:
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Step-by-Step Explanation & Concept Rationale
At night, plants generally stop photosynthesis and only respire, releasing CO2.
Q. 6
Pakistan Affairs
Difficulty: Medium
(1 Mark)
Which of the following have maximum calories?
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Step-by-Step Explanation & Concept Rationale
Fats provide approximately 9 calories per gram, more than double carbohydrates or proteins.
Q. 7
Pakistan Affairs
Difficulty: Medium
(1 Mark)
Which of the following diseases is caused by virus?
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Step-by-Step Explanation & Concept Rationale
Smallpox was a viral disease; the others listed are bacterial or protozoan.
Q. 8
Pakistan Affairs
Difficulty: Medium
(1 Mark)
The hole developed in the Ozone layer is over:
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Step-by-Step Explanation & Concept Rationale
The most significant depletion of the ozone layer occurs over the Antarctic region.
Q. 9
Pakistan Affairs
Difficulty: Hard
(1 Mark)
The speed of sound is ___ the speed of light:
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Step-by-Step Explanation & Concept Rationale
Note: Key identifies 'a' (greater than) which is a factual error. Light is much faster than sound.
Q. 10
Pakistan Affairs
Difficulty: Hard
(1 Mark)
Which of the following blood groups is called a universal donor?
💡
Step-by-Step Explanation & Concept Rationale
Type O-negative blood can be safely given to people of any other blood type.
Q. 11
Pakistan Affairs
Difficulty: Medium
(1 Mark)
What is the Richter Scale used to measure?
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Step-by-Step Explanation & Concept Rationale
This numerical scale expresses the magnitude of an earthquake.
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