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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3642

Question 4161

'Ipecac' is used in emergency medicine as an 'Emetic'. This means it:

Stops diarrhea
Induces vomiting✔️
Relieves pain
Cures infection

Correct Answer Logic:

Ipecac syrup was historically used to empty the stomach after poisoning.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3485

Question 4162

'Rauwolfia serpentina' (Asrol) is primarily used for:

Treating cough
Lowering high blood pressure (Hypertension)✔️
Increasing appetite
Treating malaria

Correct Answer Logic:

Reserpine, found in Rauwolfia, is a potent antihypertensive.

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Administration QUESTION #9541

Question 4163

Barnard's theory of organizational authority proposed that the source of authority is not the top of the hierarchy but rather the bottom. What is the precise concept he used, and what practical implication does it carry for public managers?

Zone of indifference — managers should issue orders within employees' tolerance range to ensure compliance✔️
Hawthorne effect — workers comply when given attention and feel special to management
Limited rationality — managers must accept that employees will only partially comply due to cognitive constraints
Scalar principle — authority must flow through a clearly defined chain to reach the subordinate

Correct Answer Logic:

Barnard argued that a subordinate ultimately chooses to accept or reject orders. He identified three zones: rejection, acceptance, and indifference. The practical implication is that managers must keep orders within the zone of indifference (or expand the zone of acceptance) by managing the cooperative relationship — rather than relying solely on formal authority.

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Education QUESTION #1491

Question 4164

The first Educational Conference held in Pakistan after independence took place in:

Lahore, 1948
Karachi, December 1947✔️
Islamabad, 1950
Dacca, 1949

Correct Answer Logic:

Under the leadership of Quaid-e-Azam Muhammad Ali Jinnah, the first educational conference was held in Karachi in December 1947, soon after the creation of Pakistan.

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FIA Act QUESTION #9974

Question 4165

Section 5-A was introduced into the FIA Act through:

The original 1974 enactment
FIA (Amendment) Ordinance, 2002✔️
A Supreme Court judgment
Police Order, 2002

Correct Answer Logic:

Section 5-A was added through the FIA (Amendment) Ordinance 2002.

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English QUESTION #8530

Question 4166

The synonym of 'Fugitive' is:

Absconder✔️
Vain
Enduring
Weak

Correct Answer Logic:

Fugitive means a person who flees; absconder.

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Boilers Mechanical Engineering QUESTION #2491

Question 4167

A mechanism is defined in mechanism theory as:

Any collection of rigid bodies
A kinematic chain in which at least one link has been grounded (fixed to the frame)✔️
A chain with exactly one degree of freedom
A system with more links than kinematic pairs

Correct Answer Logic:

By Reuleaux's definition, a mechanism is a kinematic chain where at least one link is grounded (fixed) to the frame.

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Education QUESTION #6751

Question 4168

A test has a Kuder-Richardson reliability of 0.85. A parallel form of the same test yields a test-retest-with-equivalent-forms correlation of 0.68. Which of the following best explains this discrepancy?

KR-20 measures stability over time, so it should always be lower than equivalent-forms reliability
KR-20 measures internal consistency within a single administration, while the equivalent-forms method captures both stability over time and equivalence across forms; thus the latter is typically lower✔️
The second test was harder, which automatically reduces reliability estimates
KR-20 is only applicable to essay tests, making the comparison invalid

Correct Answer Logic:

KR-20 is an internal consistency measure computed from a single test administration — it cannot capture the variance introduced by time passage or form differences. The equivalent-forms-with-retest method measures both stability and equivalence, capturing additional sources of variance that lower the coefficient. This explains why KR-20 (single administration) tends to exceed test-retest-with-equivalent-forms reliability.

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Library Sciences QUESTION #1525

Question 4169

In evaluating reference sources, 'currency' refers to:

The monetary cost of purchasing the source
The up-to-dateness of the information and the recentness of the publication or revision✔️
The popularity of the source among users
The language in which the source is published

Correct Answer Logic:

Currency as an evaluation criterion refers to how up-to-date the information is — including the publication or revision date and whether rapidly changing data (such as statistics or contact information) has been recently updated.

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Disaster Management QUESTION #6558

Question 4170

In designing DRR education for schools, what represents the most impactful curriculum integration approach?

Dedicated DRR subject
Age-appropriate integration across subjects with experiential learning through drills, simulations, and community projects✔️
Annual awareness day
Poster competitions

Correct Answer Logic:

Section 11.1 emphasizes age-appropriate learning across education levels with interactive materials and regular drills. Effective DRR education integrates concepts across curricula (geography, science, social studies) reinforced through experiential learning rather than isolated instruction.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3326

Question 4171

The enzyme 'Carbonic Anhydrase' is crucial in microbiology for:

Staining bacteria
Metabolism and $CO_2$ transport✔️
Sterilization
Building cell walls

Correct Answer Logic:

It catalyzes the reversible reaction between $CO_2$ and water.

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Therapeutics and Patient Care QUESTION #3911

Question 4172

What is the primary mechanism by which corticosteroids produce a beneficial therapeutic effect in acute severe asthma?

They cause acute bronchodilation
They reduce the inflammatory response✔️
They suppress precipitating infections
They prevent mediator release from mast cells

Correct Answer Logic:

Corticosteroids exert their anti-asthmatic effect by broadly suppressing the airway inflammatory response, reducing oedema, mucus production, and inflammatory cell infiltration, thereby improving airflow.

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Chemistry QUESTION #461

Question 4173

Hydrogen passed through phenol at 150?C in the presence of __________ catalyst gives cyclohexanol.

Tin
Nickel✔️
Iron
Sodium

Correct Answer Logic:

Nickel catalyst is used for hydrogenation

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Mathematics QUESTION #1319

Question 4174

The gradient operator $\nabla$ in Cartesian coordinates acts on a scalar field $\phi$ to give:

$\dfrac{\partial\phi}{\partial x}+\dfrac{\partial\phi}{\partial y}+\dfrac{\partial\phi}{\partial z}$
$\dfrac{\partial\phi}{\partial x}\hat{i}+\dfrac{\partial\phi}{\partial y}\hat{j}+\dfrac{\partial\phi}{\partial z}\hat{k}$✔️
$\left(\dfrac{\partial^2\phi}{\partial x^2}+\dfrac{\partial^2\phi}{\partial y^2}+\dfrac{\partial^2\phi}{\partial z^2}\right)$
$\phi\left(\hat{i}+\hat{j}+\hat{k}\right)$

Correct Answer Logic:

$\nabla\phi=\text{grad}\,\phi=\dfrac{\partial\phi}{\partial x}\hat{i}+\dfrac{\partial\phi}{\partial y}\hat{j}+\dfrac{\partial\phi}{\partial z}\hat{k}$. It is a vector field giving the direction and rate of maximum increase of the scalar field $\phi$.

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General Knowledge QUESTION #4758

Question 4175

Parachinar is the administrative capital of which tribal agency?

Khyber Agency
North Waziristan
South Waziristan
Kurram Agency✔️

Correct Answer Logic:

Parachinar is the main town and administrative center of the Kurram Agency (now Kurram District) in the former FATA, located near the Afghan border.

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Reading and Writing (Module-1) QUESTION #10393

Question 4176

The hikers, ------- by the sudden storm, sought shelter beneath a rocky overhang until the rain subsided.

undeterred
caught off guard✔️
delighted
unaffected

Correct Answer Logic:

Seeking shelter from a 'sudden' storm implies the hikers were surprised, matching 'caught off guard.'

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3065

Question 4177

Which process involves the 'Sublimation' of water from a frozen product under vacuum?

Spray drying
Lyophilization (Freeze drying)✔️
Tray drying
Vacuum drying

Correct Answer Logic:

Freeze drying (lyophilization) is used for very heat-sensitive biological products.

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MCQs Section QUESTION #4878

Question 4178

Which word is similar to "ACRIMONIOUS"

Bitter✔️
Provocative
Cheap
Volatile

Correct Answer Logic:

Acrimonious means having or showing strong bitterness or ill feeling in speech or manner. Bitter is its closest synonym.

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Academic/Professional (Social Sciences) QUESTION #10127

Question 4179

John Rawls's Theory of Justice is centrally built upon the concept of:

Utilitarian maximization
Justice as fairness, derived via the 'original position'✔️
Divine command
Historical entitlement alone

Correct Answer Logic:

Rawls's theory proposes justice as fairness, using the thought experiment of an 'original position' behind a 'veil of ignorance'.

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Mathematics QUESTION #4139

Question 4180

What is $\nabla \times \vec{r}$ where $\vec{r} = x\hat{i} + y\hat{j} + z\hat{k}$?

$\vec{r}$
$\vec{0}$✔️
$3\hat{k}$
$\frac{\vec{r}}{r}$

Correct Answer Logic:

$\nabla \times \vec{r} = \begin{vmatrix} \hat{i} & \hat{j} & \hat{k} \ \partial_x & \partial_y & \partial_z \ x & y & z \end{vmatrix} = \hat{i}(0-0) - \hat{j}(0-0) + \hat{k}(0-0) = \vec{0}$.

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