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MCQs Section QUESTION #5261

Question 1

'سیدالشہداء' قواعد کی رو سے کیا ہے؟

خطاب
خاص
لقب✔️
عرف

Correct Answer Logic:

سیدالشہداء ایک لقب ہے جو کسی خاص صفت یا شہادت کی وجہ سے دیا جاتا ہے۔

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Biology QUESTION #7247

Question 2

In prokaryotes, chromatophores are:

Specialized granules responsible for colouration of cells
Structures responsible for organizing the shape of cells
Inclusion bodies lying free inside the cells for carrying out various metabolic activities
Internal membrane systems that become extensive and complex in photosynthetic bacteria✔️

Correct Answer Logic:

In prokaryotes, chromatophores are internal membrane systems (invaginations of plasma membrane) that become extensive and complex in photosynthetic bacteria such as purple bacteria and green sulfur bacteria. They bear photosynthetic pigments and are functionally analogous to chloroplasts.

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English QUESTION #8337

Question 3

She felt _______ when she went on stage.

nervous✔️
anxious
worried
agitated

Correct Answer Logic:

'Nervous' best describes stage fright.

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Math Physics Chemistry Biology QUESTION #538

Question 4

Which of the following is used for lowering blood cholesterol?

Neurospora
Griseofulvin
Aspergillus
Lovastatin✔️

Correct Answer Logic:

Lovastatin lowers cholesterol

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MCQs Section QUESTION #5064

Question 5

'پتا پتا بوٹا بوٹا' والا شعر کس کا ہے؟

علامہ اقبال
میر تقی میر✔️
غالب
ان میں سے کوئی نہیں

Correct Answer Logic:

پتا پتا بوٹا بوٹا حال ہمارا جانے ہے، یہ مشہور شعر میر تقی میر کا ہے۔

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Administration QUESTION #2916

Question 6

In the context of administrative reform, "Devolution" specifically refers to:

Transfer of power to local levels✔️
Centralization of authority
Privatization of state assets
Reduction of the workforce

Correct Answer Logic:

Devolution is the statutory delegation of powers from the central government of a sovereign state to govern at a subnational level, such as a local government.

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Education QUESTION #6775

Question 7

Which of the following actions MOST directly threatens the consequence validity of a high-stakes examination?

Using moderately difficult items with acceptable discrimination indices
Teaching exclusively to the specific test items used in past exams (teaching to the test), which artificially narrows the curriculum and constrains student learning✔️
Administering equivalent forms of the test across different testing centers
Using a Table of Specification to ensure content balance

Correct Answer Logic:

Consequence validity evaluates the intended and unintended effects of using assessment results. When teaching to the test occurs, the unintended consequence is a narrowed curriculum — students learn test content, not the broader domain. This undermines the fundamental educational purpose of assessment, representing a direct threat to consequence validity.

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General Science and Ability QUESTION #262

Question 8

Why red light is used in traffic signal for danger?

Short wavelength
High frequency
Long wavelength and high frequency
Long wavelength and short frequency✔️

Correct Answer Logic:

Red light has the longest wavelength in the visible spectrum and scatters the least.+1

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Education QUESTION #11626

Question 9

The famous Hawthorne Studies, which explored the relationship between working conditions and productivity, were conducted during the period:

1927–1932✔️
1985–1987
1970–1980
None of these

Correct Answer Logic:

The Hawthorne Studies were conducted at the Western Electric Hawthorne Works in Chicago between 1927 and 1932 by Elton Mayo and his colleagues. They revealed that workers’ productivity was influenced by social and psychological factors (attention, group norms) rather than physical conditions alone — giving rise to the “Hawthorne Effect.”

Correct Answer: A — 1927–1932.

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Dairy Food Science and Technology QUESTION #5944

Question 10

What happens to the titratable acidity of milk when alkali (e.g. $\text{NaHCO}_3$) is added by adulterators?

Titratable acidity increases
Titratable acidity decreases, masking souring of the milk ($\text{pH}$ rises)✔️
Titratable acidity remains unchanged as $\text{NaHCO}_3$ is neutral
$\text{pH}$ decreases proportionally to alkali added

Correct Answer Logic:

Adulterators add alkali ($\text{NaHCO}_3$, $\text{Na}_2\text{CO}_3$) to neutralize lactic acid produced during souring, masking high titratable acidity (expressed as $\%$ lactic acid) and raising $\text{pH}$. Detection by Rosalic acid or alizarin test shows alkaline reaction.

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English QUESTION #7544

Question 11

Choose the correct meaning of the word pair "Principal and Principle"

Principal = rule; Principle = head of school.
Principal = head of school; Principle = moral rule.✔️
Both mean the same.
Principal = student; Principle = money.

Correct Answer Logic:

Principal refers to the head of a school or a sum of money; "Principle" means a fundamental truth or moral rule.

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English QUESTION #8334

Question 12

He used to live _______ comfort.

with
in✔️
by
on

Correct Answer Logic:

'Live in comfort' is the standard phrase.

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Boilers Mechanical Engineering QUESTION #2516

Question 13

In normal-tangential (n-t) coordinates, the acceleration of a particle moving along a curved path with speed $v$ and radius of curvature $\rho$ is:

Only the tangential component $\dot{v}\,\hat{e}_t$
Only the normal component $\frac{v^2}{\rho}\hat{e}_n$
Both $a_t = \dot{v}$ tangentially and $a_n = \frac{v^2}{\rho}$ normally✔️
A single vector directed toward the center of curvature

Correct Answer Logic:

In n-t coordinates: $\mathbf{a}=\dot{v}\hat{e}_t + \frac{v^2}{\rho}\hat{e}_n$. The tangential component $a_t=\dot{v}$ reflects speed change; the normal (centripetal) component $a_n=v^2/\rho$ reflects direction change.

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3608

Question 14

'Nutgall' (Quercus infectoria) is a rich source of:

Alkaloids
Tannic acid✔️
Volatile oil
Starch

Correct Answer Logic:

Galls are pathological outgrowths rich in gallotannic acid.

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English QUESTION #8424

Question 15

I take much delight _______ reading poetry.

To
For
In✔️
By

Correct Answer Logic:

'Delight in' is the correct prepositional phrase.

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CISA QUESTION #6832

Question 16

An organization's incident response plan assigns the CIO as the sole decision-maker during security incidents. The CIO is frequently traveling internationally across multiple time zones. What is the PRIMARY weakness?

Single point of failure in incident response leadership✔️
Need for deputy or alternate decision-makers to ensure timely incident response
Excessive authority concentration
Insufficient escalation procedures

Correct Answer Logic:

Having a single decision-maker who is frequently unavailable creates a critical single point of failure. Security incidents require rapid response—delays waiting for one person can allow incidents to escalate. The organization needs designated alternates with equivalent authority to ensure continuous incident response capability.

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CISA QUESTION #1754

Question 17

When selecting a BPR project, which type of process typically offers the highest return on investment?

Marginal process
Nonworking process✔️
Working process
Excluded process

Correct Answer Logic:

Nonworking processes — whether manual or automated — are usually the highest BPR priority if their business value can be justified. Fixing a broken process yields greater improvement than optimizing one that already functions.

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Mathematics QUESTION #11227

Question 18

The range of $\sec^{-1} x$ is:

$[0,\pi]$
$\left[0,\pi\right]\setminus\left\{\dfrac{\pi}{2}\right\}$✔️
$\left[-\dfrac{\pi}{2},\dfrac{\pi}{2}\right]$
$\left[-\dfrac{\pi}{2},\dfrac{\pi}{2}\right]\setminus\{0\}$

Correct Answer Logic:

The range of $\sec^{-1}x$ (arcsecant) is $[0,\pi]\setminus\{\pi/2\}$, since $\sec(\pi/2)$ is undefined. The domain is $|x|\geq 1$ (i.e. $x\leq -1$ or $x\geq 1$), and the range is $[0,\pi]$ excluding the point $\pi/2$ where secant is undefined.

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Paper-II (Pharmacology and Social Behaviour, Law & Ethics and Computer Sciences) QUESTION #5779

Question 19

According to the Drug Act 1976, a drug that is not labeled in the prescribed manner is classified as:

Adulterated
Spurious
Misbranded✔️
Substandard

Correct Answer Logic:

According to the Drug Act, misbranding includes improper labeling or missing warnings[cite: 7].

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Physics QUESTION #7027

Question 20

A point particle with mass $m$ and velocity $v_0$ undergoes a collision with a stationary particle of the same mass. Following the impact, the total kinetic energy of the system is observed to be $50\%$ greater than the initial kinetic energy. Determine the magnitude of the relative velocity between the two particles after the collision.

$\frac{v_{0}}{2}$
$\frac{v_{0}}{\sqrt{2}}$
$\frac{v_{0}}{4}$
$\sqrt{2}v_{0}$✔️

Correct Answer Logic:

Initial $KE = \frac{1}{2}mv_0^2$. Final $KE = 1.5 \times (\frac{1}{2}mv_0^2)$. Let final velocities be $v_1$ and $v_2$. By conservation of momentum, $mv_0 = m(v_1 + v_2)$, so $v_0 = v_1 + v_2$. The relative velocity is $|v_2 - v_1|$. Using the relation $2(v_1^2 + v_2^2) = (v_1 + v_2)^2 + (v_1 - v_2)^2$ and substituting energy and momentum values, we find the relative velocity is $\sqrt{2}v_0$.

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