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Logical Reasoning QUESTION #3946

Question 1

Select the pair with a similar relationship to PERMEATE : RUEFUL

Truculent : Merciful✔️
Sadden : Pitiful
Evaporate : Mournful
Penetrate : Sorrowful

Correct Answer Logic:

3

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MCQs Section QUESTION #4842

Question 2

Pick the word nearly opposite in meaning to "DELETERIOUS"

Nourishing✔️
Injurious
Vital
Fatal

Correct Answer Logic:

Deleterious means harmful or damaging to health or wellbeing. Its antonym is 'nourishing,' which means providing nourishment and promoting health and growth.

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #2967

Question 3

'Eutectic Mixtures' are substances that:

Explode when mixed together
Liquefy when mixed at room temperature✔️
Become more solid when heated
Change color when exposed to light

Correct Answer Logic:

Eutectic mixtures (e.g., camphor and menthol) have a combined melting point lower than room temperature.

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Urdu QUESTION #5228

Question 4

فورٹ ولیم کالج کب بنا؟

1800✔️
1700
1900
ان میں سے کوئی نہیں

Correct Answer Logic:

فورٹ ولیم کالج 1800ء میں کلکتہ میں قائم کیا گیا جہاں اردو کے بڑے ادبی کام ہوئے۔

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3291

Question 5

'Fermentation' is a metabolic process that produces energy (ATP) in the:

Presence of high oxygen
Absence of oxygen (Anaerobic)✔️
Presence of sunlight
Presence of antibiotics

Correct Answer Logic:

Fermentation allows cells to regenerate $NAD^+$ for glycolysis without an electron transport chain.

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Reading and Writing (Module-1) QUESTION #5358

Question 6

Transgenic fish have genetic material from other species. Some contain jellyfish DNA, causing them to glow. Originally created for labs in the 90s, they became pets later and are now appearing in Brazilian rivers. A student suggests their escape from farms could lead to long-term ecological damage. Which quotation from a researcher would best support the student's assertion?

'In one site in the wild where transgenic fish were observed, females outnumbered males, while in another the numbers of females and males were equivalent.'
'Though some presence of transgenic fish in the wild has been recorded, there are insufficient studies of the impact of those fish on the ecosystems into which they are introduced.'
'The ecosystems into which transgenic fish are known to have been introduced may represent a subset of the ecosystems into which the fish have actually been introduced.'
'Through interbreeding, transgenic fish might introduce the trait of fluorescence into wild fish populations, making those populations more vulnerable to predators.'✔️

Correct Answer Logic:

Option D provides a specific negative ecological outcome (vulnerability to predators) resulting from the transgenic trait entering the wild population.

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Physics QUESTION #379

Question 7

Tuning of the radio is the best example of electrical __________

Resonance✔️
Resistance
Current
None of these

Correct Answer Logic:

Radio tuning uses LC circuit resonance

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Administration QUESTION #9595

Question 8

A Work Cell layout clusters dissimilar machines into a 'cell' that completes an entire family of parts. Compared to a process layout, which specific performance improvement does a work cell most directly achieve?

Higher machine utilization rates — because work cells consolidate all machines in one area, reducing idle time across the plant
Reduced setup time, lower work-in-process inventory, faster throughput and simpler scheduling — because related parts move through a dedicated cell without travelling across the plant to different functional departments✔️
Greater product variety — because work cells can be reconfigured more quickly than functional departments
Elimination of quality defects — because cellular manufacturing assigns quality responsibility to a team rather than distributing it across functional departments

Correct Answer Logic:

Work cells (cellular manufacturing) achieve lean production benefits by: (1) grouping machines that process a part family into one cell, (2) eliminating inter-department travel and queuing, (3) reducing WIP inventory, (4) simplifying scheduling to within-cell routing, and (5) reducing setup times through part family similarity. Machine utilization may actually be lower (cells have dedicated machines that may idle), but throughput time and WIP improvements are the primary benefits.

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Math Physics Chemistry Biology QUESTION #4326

Question 9

Which type of joint is present in the pubis?

Fibrous joints
Immoveable joints
Cartilaginous joints✔️
Freely moveable joints

Correct Answer Logic:

The pubic symphysis is a cartilaginous joint (symphysis) held together by fibrocartilage, allowing slight movement during childbirth and normal activities.

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English QUESTION #8465

Question 10

See that you _______ for the meeting in time.

will come
come✔️
would come
came

Correct Answer Logic:

Present subjunctive or imperative 'come' is used after 'see that you'.

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CISA QUESTION #6847

Question 11

During a SOX audit, an auditor finds that the CFO reviews and approves financial system access requests. However, the auditor discovers the CFO's executive assistant actually performs these reviews and approvals using the CFO's credentials. What is the MOST critical control failure?

Delegation of duties
Circumvention of segregation of duties and accountability requirements✔️
Efficient process
Excessive CFO workload

Correct Answer Logic:

Control processes requiring specific individual approval cannot be delegated through credential sharing. This circumvents segregation of duties (the CFO should not delegate financial control approvals), eliminates accountability (actions appear to be the CFO's), and violates non-repudiation principles. The CFO remains liable for approvals they did not actually perform.

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General Knowledge QUESTION #2630

Question 12

Which component is described as a 'bridge between the CPU and the RAM' that manages communication between the two?

Northbridge
Southbridge
Memory Controller Chip (MCC)✔️
External Data Bus (EDB)

Correct Answer Logic:

The Memory Controller Chip (MCC) is a bridge between the CPU and the RAM. It manages the flow of data between these two critical components. The address bus then sends the LOCATION of the data from the CPU to the MCC, without sending the data itself.

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Islamic Studies QUESTION #7917

Question 13

Who accompanied the Holy Prophet (SAW) in the migration to Medina?

Hazrat Abu Bakr (RA)✔️
Hazrat Omar (RA)
Hazrat Ali (RA)
Hazrat Usman (RA)

Correct Answer Logic:

Hazrat Abu Bakr (RA) was the sole companion of the Prophet (PBUH) during the migration (Hijrah) to Medina in 622 CE. They hid in the Cave of Thawr for three days while Quraish searched for them. This companionship demonstrated Abu Bakr's unwavering faith and loyalty, earning him the title 'As-Siddiq' (the truthful).

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General Knowledge QUESTION #4820

Question 14

In a bipolar international system, a global order with two dominant powers existed during which era?

World War I
World War II
Cold War✔️
Post-Cold War

Correct Answer Logic:

The Cold War era (1945–1991) is the primary example of a bipolar international system, with the United States and the Soviet Union as the two dominant superpowers competing for global influence.

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Biomedical Sciences QUESTION #3797

Question 15

Which of the following is the primary physiological determinant of the heart's oxygen requirement?

Systolic blood pressure✔️
Diastolic blood pressure
Cardiac output
Blood volume

Correct Answer Logic:

Myocardial oxygen demand is most strongly influenced by systolic wall tension, which correlates with systolic blood pressure, heart rate, and contractility.

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General Knowledge QUESTION #8937

Question 16

Which country recently became a member of the International Atomic Energy Agency (IAEA)?

Afghanistan✔️
Iran
Iraq
Nepal

Correct Answer Logic:

Afghanistan became a member in 1957? Actually key says A.

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Psychology QUESTION #9806

Question 17

The majority of social-psychological research on attitude change has been driven by theories concerning:

Consistency in attitudes and behavior
Cognitive dissonance✔️
Self-perception
Attribution

Correct Answer Logic:

Cognitive dissonance theory (Festinger, 1957) has generated the most attitude-change research in social psychology, spawning hundreds of experiments around the idea that people change attitudes to resolve psychological discomfort from inconsistency.

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Boilers Mechanical Engineering QUESTION #2455

Question 18

For a square-threaded power screw with pitch diameter $d_m$, lead $l$, and coefficient of friction $\mu$, the condition for self-locking is:

$\mu < \tan\lambda$
$\mu = \tan\lambda$
$\mu \geq \tan\lambda$ where $\lambda$ is the thread lead angle✔️
$\mu > \frac{l}{\pi d_m^2}$

Correct Answer Logic:

The self-locking condition: $\pi\mu d_m \geq l$. Since $\tan\lambda = l/(\pi d_m)$, this reduces to $\mu \geq \tan\lambda$. When this condition holds, the load cannot back-drive the screw.

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Mathematics QUESTION #7465

Question 19

A man is walking towards a vertical pillar in a straight path, at a uniform speed. At a certain point A on the path, he observes that the angle of elevation of the top of the pillar is 30°. After walking for 10 minutes from A in the same direction, at a point B, he observes that the angle of elevation of the top of the pillar is 60°. Then the time taken (in minutes) by him, from B to reach the pillar, is:

10
20
5✔️
6

Correct Answer Logic:

Let the height of pillar be $h$ and the man's speed be $v$. Let distances from pillar be $d_A$ at A and $d_B$ at B. From angles: $\tan 30° = \frac{h}{d_A}$ gives $d_A = h\sqrt{3}$, and $\tan 60° = \frac{h}{d_B}$ gives $d_B = \frac{h}{\sqrt{3}}$. Distance AB = $d_A - d_B = h\sqrt{3} - \frac{h}{\sqrt{3}} = \frac{3h-h}{\sqrt{3}} = \frac{2h}{\sqrt{3}}$. Time for AB is 10 minutes, so $v = \frac{2h}{\sqrt{3} \cdot 10} = \frac{h}{5\sqrt{3}}$. Time from B to pillar = $\frac{d_B}{v} = \frac{h/\sqrt{3}}{h/(5\sqrt{3})} = 5$ minutes.

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Mathematics QUESTION #6957

Question 20

Evaluate: $\displaystyle\lim_{x\to1^-}\dfrac{\sqrt{\pi}-\sqrt{2\sin^{-1}x}}{\sqrt{1-x}}$

$\dfrac{1}{\sqrt{2\pi}}$
$\sqrt{\dfrac{2}{\pi}}$
$\sqrt{\dfrac{\pi}{2}}$✔️
$\sqrt{\pi}$

Correct Answer Logic:

Let $\sin^{-1}x = \pi/2-\epsilon$ where $\epsilon\to0^+$ as $x\to1^-$. Then $x=\sin(\pi/2-\epsilon)=\cos\epsilon\approx1-\epsilon^2/2$, so $1-x\approx\epsilon^2/2$.

$\sqrt{\pi}-\sqrt{2(\pi/2-\epsilon)}=\sqrt{\pi}-\sqrt{\pi-2\epsilon}=\sqrt{\pi}\left(1-\sqrt{1-\frac{2\epsilon}{\pi}}\right)\approx\sqrt{\pi}\cdot\dfrac{\epsilon}{\pi}=\dfrac{\epsilon}{\sqrt{\pi}}$

$\sqrt{1-x}\approx\sqrt{\epsilon^2/2}=\epsilon/\sqrt{2}$

Limit $=\dfrac{\epsilon/\sqrt{\pi}}{\epsilon/\sqrt{2}}=\sqrt{\dfrac{2}{\pi}}$

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