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Psychology QUESTION #9819

The concept of homeostasis is most closely associated with the name:

Richter
Cannon✔️
Levin
Warden

Correct Answer Logic:

Walter Cannon coined the term homeostasis (1932) in The Wisdom of the Body, describing the body's mechanisms for maintaining stable internal equilibrium. He also described the fight-or-flight response.

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Physics QUESTION #7292

Question 1462

The coordinates of a particle at any time $t$ are $x = 5t - 2t^2$ and $y = 10t$ (metres, seconds). The acceleration of the particle at $t = 2\text{ s}$ is:

$5\text{ m/s}^2$
$-4\text{ m/s}^2$✔️
$-8\text{ m/s}^2$
$0$

Correct Answer Logic:

$a_x = \dfrac{d^2x}{dt^2} = -4\text{ m/s}^2$ (constant)

$a_y = \dfrac{d^2y}{dt^2} = 0$

Acceleration vector $= -4\hat{i}\text{ m/s}^2$ at all times, including $t = 2\text{ s}$. Magnitude $= \mathbf{4\text{ m/s}^2}$, directed in $-x$ direction.

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General Knowledge QUESTION #8718

Question 1463

What is the typical economic effect of deficit financing on an economy?

Inflation✔️
Deflation
Depression
Recession

Correct Answer Logic:

Deficit financing (spending more than revenue) often leads to inflation.

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General Ability and Fire Fighting QUESTION #5624

Question 1464

Removing one side of the Fire Tetrahedron will:

Increase the intensity of the fire
Have no effect on combustion
Extinguish or suppress the fire✔️
Only slow the fire temporarily

Correct Answer Logic:

If any one of the four elements (Fuel

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English QUESTION #8509

Question 1465

The fire was finally brought _______ control.

to
on
under✔️
at

Correct Answer Logic:

'Brought under control' means subdued.

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Biology QUESTION #7243

Question 1466

Two microbes found to be very useful in genetic engineering are:

Diplococcus sp. and Pseudomonas sp.
Crown gall bacterium and Caenorhabditis elegans
Escherichia coli and Agrobacterium tumefaciens✔️
Vibrio cholerae and a tailed bacteriophage

Correct Answer Logic:

E. coli is the workhorse of genetic engineering — used for cloning, protein expression, and plasmid propagation. Agrobacterium tumefaciens is used to introduce foreign genes into plant cells via its Ti plasmid. Together they are the most commonly used microbes in genetic engineering.

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CISA QUESTION #1741

Question 1467

Which of the following statements about the audit committee is NOT accurate?

Senior executives inside the organisation oversee and direct the audit committee, assigning it compliance-related responsibilities.✔️
The audit committee possesses the authority to hire and terminate executives, with particular focus on external auditors and senior management.
The audit committee is composed of board members and has the authority to engage external auditors, who may meet with the committee independently on a quarterly basis.
The audit committee gives senior executives a confidential forum through which complex problems can be raised and solutions explored.

Correct Answer Logic:

The audit committee does NOT answer to, and is NOT overseen by, internal executives. Rather, it is the audit committee — typically composed of independent board members — that exercises oversight over executive management. It provides independent governance, engages and dismisses external auditors, and gives executives a confidential channel for escalating problems. The claim that executives 'oversee' the audit committee fundamentally inverts the correct governance relationship.

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Chemistry QUESTION #4356

Question 1468

Oxidation numbers of X, Y, Z are $+6$, $-2$, $\&$ $-1$ respectively. Possible molecular formula when atoms combine:

$X_2YZ$
$XY_2Z_2$✔️
$XYZ_2$
$XY_2Z$

Correct Answer Logic:

For electrical neutrality, the sum of oxidation numbers must equal zero. For $XY_2Z_2$: $(+6) + 2(-2) + 2(-1) = +6 - 4 - 2 = 0$ ✓. This is the correct formula.

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Education QUESTION #6767

Question 1469

A testing agency wants to determine whether a new aptitude test produces scores consistent with scores from an already-validated ability test administered simultaneously. Which reliability/validity method is being employed?

Test-retest reliability
Concurrent criterion validity✔️
Predictive criterion validity
Split-half reliability

Correct Answer Logic:

Concurrent validity is a form of criterion validity where two measures are administered at the same time (concurrently) and their scores are correlated. If the new test scores align with the validated test, this is evidence of concurrent validity. It is not reliability (which involves the same test repeated or split) nor predictive validity (which requires a future criterion).

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Security Measures to Maintain Law and Order QUESTION #936

Question 1470

Which of the following is an example of a 'Prohibited Item' in the cabin?

A book
A sharp metallic object
A bottle of water (over 100ml)
Both B and C✔️

Correct Answer Logic:

Items that can be used as weapons or liquid explosives are restricted to maintain the order and safety of the flight.

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3013

Question 1471

Which ointment base is known as a 'Greaseless' base?

Oleaginous base
Absorption base
Water-soluble base✔️
Emulsion base

Correct Answer Logic:

Water-soluble bases (like PEG) contain no fats and are completely washable.

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English QUESTION #8304

Question 1472

You _______ respect your parents and teachers.

Should✔️
Would
Would have
Should have

Correct Answer Logic:

'Should' expresses moral obligation.

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Pakistan Affairs QUESTION #600

Question 1473

Durand Agreement (British India & Afghanistan) signed in:

August 1842
November 1893✔️
May 1879
None of These

Correct Answer Logic:

The agreement was signed on November 12, 1893, between Sir Mortimer Durand and Amir Abdur Rahman Khan.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3393

Question 1474

Enzymes act as biological catalysts by:

Increasing the temperature of a reaction
Lowering the activation energy✔️
Changing the final product
Being consumed in the reaction

Correct Answer Logic:

Enzymes speed up reactions without being used up themselves.

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General Knowledge QUESTION #8785

Question 1475

The world's longest land border (frontier) is between which two countries?

America and Canada✔️
Russia and China
Argentina and Brazil
China and Mongolia

Correct Answer Logic:

The Canada-US border is the longest international land border.

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Pakistan Affairs QUESTION #289

Question 1476

Indicate one of the Key outcomes of the Lucknow Pact of 1916.

Acceptance of separate electorates✔️
Communal award
Abolition of princely states
Demand for complete independence

Correct Answer Logic:

Congress agreed to the Muslim League's demand for separate electorates for the first time.

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #2998

Question 1477

What is the concentration of alcohol in 'Strong Ginger Tincture'?

$20\%$
$50\%$
$90\%$✔️
$70\%$

Correct Answer Logic:

Strong Ginger Tincture is a high-alcohol preparation, typically containing $90\%$ ethanol.

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Reading and Writing (Module-1) QUESTION #5336

Question 1478

Sunlight is essential for photosynthesis; ______, too much direct exposure can damage the delicate tissues of some shade-loving plants. Which choice completes the text with a transition that most logically connects the ideas?

however✔️
furthermore
likewise
therefore

Correct Answer Logic:

'However' signals the contrast between sunlight being 'essential' and 'damaging.'

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Reading and Writing (Module-1) QUESTION #5394

Question 1479

Handedness, a preferential use of either the right or left hand, typically is easy to observe in humans. Because this trait is present but less _______ in many other animals, animal-behavior researchers often employ tasks specially designed to reveal individual animals' preferences for a certain hand or paw. Which choice completes the text with the most logical and precise word or phrase?

recognizable✔️
intriguing
significant
useful

Correct Answer Logic:

'Recognizable' means apparent or identifiable. The text indicates handedness is easy to observe in humans but requires special tasks to identify in other animals, meaning it's less recognizable.

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Pakistan Affairs QUESTION #9120

Question 1480

Which district is part of the Hazara Division of Khyber Pakhtunkhwa along with Abbottabad, Battagram, Kohistan, and Mansehra?

Mardan
Mingora
Haripur✔️
Khanpur

Correct Answer Logic:

Haripur is the fifth district of Hazara Division.

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