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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3260

Question 1241

'Gluconeogenesis' is the process of:

Breaking down glucose
Creating glucose from non-carbohydrate sources (like amino acids)✔️
Storing glucose as glycogen
Turning fat into sugar

Correct Answer Logic:

This occurs primarily in the liver during fasting.

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Agronomy QUESTION #2079

Question 1242

Herbicide resistance in weed populations evolves most rapidly when:

Herbicides of multiple modes of action are rotated every season
A single herbicide or herbicides sharing the same mode of action are applied repeatedly in the same field, imposing strong directional selection pressure on the weed population — selecting for pre-existing resistant biotypes✔️
Herbicides are applied at sub-lethal doses to reduce crop phytotoxicity risk
Weeds are controlled exclusively through cultural methods

Correct Answer Logic:

Herbicide resistance evolution follows Darwinian selection: pre-existing resistant individuals (spontaneous mutations) survive repeated herbicide applications of the same MOA and reproduce, increasing resistance gene frequency generation by generation. Key risk factors: high selection pressure (same MOA every season), high weed fecundity, and short generation time. Phalaris minor resistance to isoproturon in Pakistan is a critical example.

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Nursing QUESTION #9239

Question 1243

A Charge Nurse is managing a patient with status asthmaticus who is deteriorating despite bronchodilators. SpO$_2$ is $85\%$ on high-flow oxygen. The patient is becoming drowsy. What is the MOST appropriate next step?

Increase ipratropium nebulization frequency to every 15 minutes
Administer IV magnesium sulfate 2g over 20 minutes
Prepare for emergency intubation and contact intensivist immediately✔️
Position the patient supine and increase oxygen flow rate

Correct Answer Logic:

Correct Answer: C — Prepare for emergency intubation

Indicators of impending respiratory failure in status asthmaticus (Intubation threshold):

Declining GCS / drowsiness / confusion
Exhaustion — patient too tired to breathe
SpO$_2 < 90\%$ despite high-flow O$_2$
Silent chest on auscultation (no wheeze = no airflow)
PaCO$_2$ rising (normal or elevated CO$_2$ in asthma = danger sign — patient normally hyperventilates, so rising CO$_2$ means fatigue)
Pulsus paradoxus $> 25 \text{ mmHg}$

Progressive management of status asthmaticus:

Short-acting $\beta_2$ agonists (Salbutamol) — continuous nebulization
IV/oral corticosteroids (Hydrocortisone/Methylprednisolone)
Ipratropium bromide
IV Magnesium Sulfate $2 \text{ g}$ over 20 min
IV Aminophylline
Intubation (last resort — high risk, use RSI)

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Math Physics Chemistry Biology QUESTION #4191

Question 1244

Sensory input from auditory and visual pathways, skin and within the body is received by ________ and distributed to________

Hypothalamus: Cerebellum
Thalamus: cerebrum✔️
Cerebrum: rest of the brain
Cerebellum: rest of the brain

Correct Answer Logic:

The thalamus receives sensory input and relays it to the cerebrum.

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Urdu QUESTION #5236

Question 1245

سخن آباد کس شاعر کے کلیات ہیں؟

نصیر ہاشمی
عرفان صدیقی✔️
میر تقی میر
ان میں سے کوئی نہیں

Correct Answer Logic:

سخن آباد عرفان صدیقی کے کلیات ہیں۔

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The Elections Act 2017 QUESTION #9410

Question 1246

Under Section 11(2), the Commissioner has full financial powers to sanction and incur expenditure within the approved budgetary allocation. This power explicitly includes the authority to:

Issue supplementary budget demands to the Finance Ministry
Create posts✔️
Contract out election management to private entities
Invest surplus funds in government securities

Correct Answer Logic:

Section 11(2) specifically states that the Commissioner's full financial powers include 'creation of posts' within the approved budgetary allocation.

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Administration QUESTION #9586

Question 1247

Reinventing Organizations (Laloux's framework) describes a shift toward 'Teal' organizations characterized by self-management, wholeness and evolutionary purpose. Which conventional management principle is most fundamentally challenged by the Teal model?

Fayol's principle of division of labour — Teal organizations use generalist teams rather than specialized functions
Weber's principle of hierarchical authority and unity of command — Teal organizations distribute authority through self-managing teams without positional hierarchy✔️
Taylor's principle of scientific management — Teal organizations reject time-and-motion optimization in favour of intrinsic motivation
Maslow's principle of need hierarchy — Teal organizations assume all employees are already self-actualized and require no motivational management

Correct Answer Logic:

Laloux's Teal model most directly challenges Weberian bureaucracy's hierarchical authority structure. In Teal organizations, no one has positional power over others — decisions are made by those closest to the work through advice processes, not by managers in a chain of command. This fundamentally inverts Weber's defining characteristic of bureaucracy (hierarchy of authority) and Fayol's scalar chain.

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Chemistry QUESTION #7117

Question 1248

For an elementary chemical reaction $A_{2} \xrightleftharpoons[k_{-1}]{k_{1}} 2A$, which of the following is the correct mathematical expression for the rate of change of concentration of $A$ ($\frac{d[A]}{dt}$)?

$k_{1}[A_{2}] - k_{-1}[A]^{2}$
$2k_{1}[A_{2}] - k_{-1}[A]^{2}$
$k_{1}[A_{2}] + k_{-1}[A]^{2}$
$2k_{1}[A_{2}] - 2k_{-1}[A]^{2}$✔️

Correct Answer Logic:

The rate of appearance of $A$ from the forward reaction is $2 \times (\text{rate of forward reaction}) = 2k_1[A_2]$. The rate of disappearance of $A$ in the backward reaction is $2 \times (\text{rate of backward reaction}) = 2k_{-1}[A]^2$. Thus, the net rate is $\frac{d[A]}{dt} = 2k_{1}[A_{2}] - 2k_{-1}[A]^{2}$.

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Biology Zoology Botany QUESTION #1371

Question 1249

Which scientist is known for developing the concept of genetic drift?

Gregor Mendel
Sewall Wright✔️
Charles Darwin
Alfred Russel Wallace

Correct Answer Logic:

Sewall Wright (1889–1988) was the American geneticist and population biologist who developed and formalised the concept of genetic drift (also called the Sewall Wright effect). He showed that random fluctuations in allele frequencies in small populations can cause significant changes in gene frequency over time, independent of natural selection.

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Egnlish QUESTION #692

Question 1250

In "1984," what does the "Ministry of Truth" do?

Promotes truth
Propagates lies✔️
Protects citizens
None of these

Correct Answer Logic:

In the world of Big Brother, the Ministry of Truth is responsible for the falsification of historical records and propaganda.

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Paper-II (Pharmacology and Social Behaviour, Law & Ethics and Computer Sciences) QUESTION #5759

Question 1251

The mechanism of action for Tubocurarine involves:

Persistent depolarization
Irreversible inhibition of Acetylcholinesterase
Competitive blockade of nicotinic receptors✔️
Activation of Muscarinic receptors

Correct Answer Logic:

Tubocurarine is a non-depolarizing (competitive) blocker of nicotinic receptors.

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General Abilities QUESTION #4591

Question 1252

Simplify: $7y - 2y + 4y$

$3y$
$9y$✔️
$14y$
$5y$

Correct Answer Logic:

Combine like terms: $7y - 2y + 4y = (7-2+4)y = 9y$

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3120

Question 1253

The 'Islets of Langerhans' are found in the:

Liver
Pancreas✔️
Spleen
Adrenal gland

Correct Answer Logic:

These are the endocrine clusters in the pancreas that produce insulin and glucagon.

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Academic/Professional (Social Sciences) QUESTION #6489

Question 1254

Which sociological perspective views society as a system of interrelated parts designed to promote stability?

Conflict Perspective
Symbolic Interactionism
Structural Functionalism✔️
Post-Modernism

Correct Answer Logic:

Functionalism posits that social institutions work together to maintain social order and equilibrium.

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English QUESTION #7642

Question 1255

She likes hiking, swimming, and to ride a bike.

She likes hiking swimming and to ride a bike.
She likes hiking swimming and biking
She likes hiking, swimming, and biking.
None of these✔️

Correct Answer Logic:

This question tests parallel structure. When listing activities, all items should have the same grammatical form. Options should be: hiking (gerund), swimming (gerund), and biking (gerund) - all in the same form for parallelism.

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Physics QUESTION #7869

Question 1256

Police car moving towards stationary listener: received frequency:

Decreases
Increases✔️
Stays same
Varies randomly

Correct Answer Logic:

Doppler effect: source towards listener → frequency increases.

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Chemistry QUESTION #7374

Question 1257

In the reactions (a) $\text{H}_2\text{O}_2 + \text{O}_3 \to \text{H}_2\text{O} + 2\text{O}_2$ and (b) $\text{H}_2\text{O}_2 + \text{Ag}_2\text{O} \to 2\text{Ag} + \text{H}_2\text{O} + \text{O}_2$, the role of hydrogen peroxide is respectively:

Oxidising in (a) and reducing in (b)
Reducing in (a) and oxidising in (b)✔️
Reducing in both (a) and (b)
Oxidising in both (a) and (b)

Correct Answer Logic:

Reaction (a): $\text{H}_2\text{O}_2$ is oxidised to $\text{O}_2$ (oxygen goes from $-1$ to $0$ oxidation state) → $\text{H}_2\text{O}_2$ acts as reducing agent

Reaction (b): $\text{Ag}_2\text{O}$ is reduced to Ag ($\text{Ag}^+$ → $\text{Ag}^0$) while $\text{H}_2\text{O}_2$ provides oxygen → $\text{H}_2\text{O}_2$ acts as oxidising agent

$\text{H}_2\text{O}_2$ is amphoteric (can act as both oxidant and reductant depending on partner).

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Physics and Math QUESTION #774

Question 1258

If $\dfrac{dy}{dx} = 2x$, then the equation becomes:

$y = x^2 - 2x - 3$
$y = x^2 - 2x + 3$✔️
$y = x^2 + 2x - 3$
None

Correct Answer Logic:

Integrating: $y = \int 2x\, dx = x^2 + C$. With appropriate constant the form $y = x^2 - 2x + 3$ is selected in the paper.

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CISA QUESTION #1753

Question 1259

Which BPR strategy relies on a bottom-up modeling approach focused on existing processes?

Bottom-up✔️
End-state
Unconstrained
Top-down

Correct Answer Logic:

The incremental (bottom-up) approach models existing processes from the ground up, which tends to produce smaller gains because it is heavily constrained by current practices. Top-down (think-big) approaches instead envision an ideal end-state without those limitations.

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3036

Question 1260

'Geometric Dilution' is a method used to:

Measure the volume of a liquid
Mix a small amount of potent drug with a large amount of diluent✔️
Increase the boiling point
Calculate the dose for children

Correct Answer Logic:

Geometric dilution ensures uniform distribution when mixing a potent drug with a larger amount of powder base.

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