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English QUESTION #8394

Question 101

Fill in the blank: I am so _______ with my class that I want to quit.

Bored✔️
Bore
Bores
Boring

Correct Answer Logic:

'Bored with' means feeling weary or uninterested.

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Planning QUESTION #5004

Question 102

In landscape ecology, what does 'edge effect' refer to?

Boundary between administrative zones
Ecological changes at habitat boundaries✔️
Urban-rural fringe development
Waterfront development patterns

Correct Answer Logic:

Edge effect describes changes in species composition, microclimate, and ecological processes at the boundary between two habitats (forest-field, wetland-upland). Increased fragmentation creates more edges, affecting biodiversity and ecosystem function—critical for ecological planning.

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Maths QUESTION #4505

Question 103

What is $5 \div 0$?

$0$
$5$
Undefined✔️
$\infty$

Correct Answer Logic:

Division by zero is undefined. We cannot divide any number by zero.

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Nursing QUESTION #9281

Question 104

A patient is admitted with diabetic ketoacidosis (DKA). Which arterial blood gas (ABG) pattern is expected?

pH 7.50, PaCO₂ 50 mmHg, HCO₃⁻ 30 mEq/L
pH 7.28, PaCO₂ 28 mmHg, HCO₃⁻ 10 mEq/L✔️
pH 7.48, PaCO₂ 30 mmHg, HCO₃≯ 26 mEq/L
pH 7.32, PaCO₂ 55 mmHg, HCO₃≯ 28 mEq/L

Correct Answer Logic:

In Diabetic Ketoacidosis (DKA), insulin deficiency leads to:

Excess fat breakdown → ketone body production
Accumulation of ketoacids → metabolic acidosis
Compensatory hyperventilation (Kussmaul breathing) → \\text{PaCO}_2 falls (respiratory compensation)

Expected ABG in DKA:

Parameter	Value	Interpretation
pH	< 7.35	Acidosis
\\text{PaCO}_2	< 35 mmHg	Respiratory compensation (hyperventilation)
\\text{HCO}_3^-	< 18 mEq/L	Primary metabolic loss

Option B (pH 7.28, PaCO₂ 28, HCO₃ 10) fits perfectly — metabolic acidosis with respiratory compensation.

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Math Physics Chemistry Biology QUESTION #7743

Question 105

Which blood group contains both anti-A and anti-B antibodies in the serum?

A
AB
B
O✔️

Correct Answer Logic:

Blood group O has no A or B antigens on RBCs, but both anti-A and anti-B antibodies in plasma. Group A has anti-B; group B has anti-A; group AB has no antibodies.

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Chemistry QUESTION #7362

Question 106

The correct set of four quantum numbers for the valence electron of rubidium ($Z = 37$) is:

5, 0, 0, +½✔️
5, 1, 0, +½
5, 1, 1, +½
6, 0, 0 +½

Correct Answer Logic:

Electronic configuration of Rb (Z=37):
[Kr] 5s¹

The valence electron is in the 5s subshell:

$n = 5$
$\ell = 0$ (s-subshell)
$m = 0$
$s = +\frac{1}{2}$

So the quantum numbers are (5, 0, 0, +½).

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Pakistan Affairs QUESTION #9113

Question 107

Most of Pakistan's electricity is generated by which method?

Hydel Power
Nuclear Power
Solar Power
Thermal Power (fossil fuels)✔️

Correct Answer Logic:

Thermal (oil, gas, coal) is the largest source.

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Geography QUESTION #6303

Question 108

The Hadley Cell circulation is characterized by three features:

Rising air at the equator and sinking at ~30° latitude
Surface trade winds flowing from subtropical highs to equatorial lows
Return flow aloft from equator toward poles

Which statements are correct?

Only 1 and 2
Only 2 and 3
Only 1 and 3
All three statements: 1, 2, and 3✔️

Correct Answer Logic:

The Hadley Cell is a thermally-driven circulation: (1) air rises at the ITCZ near the equator due to intense heating, (2) flows poleward aloft, (3) sinks at subtropical highs (~30°N/S), and (4) returns equatorward as surface trade winds. All three statements correctly describe this fundamental atmospheric circulation.

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CISA QUESTION #1759

Question 109

Which of the following statements about a records management system (RMS) is FALSE?

It provides a list of each data file to be protected
It is not necessary for demonstrating proper record-keeping practices✔️
It contains metadata describing acceptable and unacceptable handling procedures
It forms the foundation of all security control decisions made by management

Correct Answer Logic:

An RMS based on ISO 15489 is internationally recognized and serves as the foundation for all data-handling decisions. Its absence indicates a governance control failure. It is essential for proper record-keeping evidence, making option B false.

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Math Physics Chemistry Biology QUESTION #11260

Question 110

A person with blood group AB$^+$ can safely receive blood from:

Only AB$^+$ donors
AB$^+$ and O$^-$ donors
Any blood group (universal recipient)✔️
Only A$^+$ and B$^+$ donors

Correct Answer Logic:

AB$^+$ is the universal recipient for red blood cell transfusions because it has both A and B antigens on RBCs and the Rh factor, so it does not produce antibodies against A, B, or Rh antigens. However, for plasma transfusions, AB is the universal donor.

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Islamic Studies QUESTION #225

Question 111

Which event was called Fateh Mubeen (Clear Victory) in the Holy Qur'an?

Conquest of Makkah
Peace of Hudaybiyah✔️
Battle of Badr
None of these

Correct Answer Logic:

Surah Al-Fath refers to the Treaty of Hudaybiyah as a "clear victory" due to its strategic results.

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #2981

Question 112

The 'Formulary' part of a pharmacopoeia typically contains:

History of drugs
Formulas for preparing dosage forms✔️
Names of all doctors in the country
Price lists of medicines

Correct Answer Logic:

A formulary provides specific recipes and instructions for compounding pharmaceutical preparations.

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Paper-I (Pharmaceutics II (Industrial and Quality Control) and Pharmaceutics III (Hospital and Community Pharmacy)) QUESTION #5706

Question 113

The term 'Synergism' in pharmacology refers to:

$1 + 1 < 2$
$1 + 1 = 2$
$1 + 1 > 2$✔️
$1 - 1 = 0$

Correct Answer Logic:

Synergism occurs when the combined effect of two drugs is greater than the sum of their individual effects.

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Mathematics QUESTION #1269

Question 114

The Cauchy-Riemann equations in polar form are:

$\dfrac{\partial u}{\partial r}=\dfrac{\partial v}{\partial\theta},\quad \dfrac{\partial u}{\partial\theta}=-\dfrac{\partial v}{\partial r}$
$\dfrac{\partial u}{\partial r}=\dfrac{1}{r}\dfrac{\partial v}{\partial\theta},\quad \dfrac{\partial u}{\partial\theta}=-r\dfrac{\partial v}{\partial r}$✔️
$r\dfrac{\partial u}{\partial r}=\dfrac{\partial v}{\partial\theta},\quad \dfrac{\partial u}{\partial\theta}=-r\dfrac{\partial v}{\partial r}$
$\dfrac{\partial u}{\partial r}=\dfrac{\partial v}{\partial\theta},\quad r\dfrac{\partial u}{\partial\theta}=\dfrac{\partial v}{\partial r}$

Correct Answer Logic:

In polar coordinates $z=re^{i\theta}$, the Cauchy-Riemann equations become: $\dfrac{\partial u}{\partial r}=\dfrac{1}{r}\dfrac{\partial v}{\partial\theta}$ and $\dfrac{1}{r}\dfrac{\partial u}{\partial\theta}=-\dfrac{\partial v}{\partial r}$. These are the standard polar C-R equations.

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Economics QUESTION #1705

Question 115

Pakistan's industrial sector has historically underperformed relative to its regional peers. Which combination of structural bottlenecks most comprehensively explains this chronic underperformance?

Persistent shortage of technically skilled and vocationally trained labour
Chronic energy deficits that raise production costs and disrupt manufacturing operations
Deficient physical and logistical infrastructure including roads, ports, and industrial zones
All of these✔️

Correct Answer Logic:

Pakistan's industrial growth has been simultaneously constrained by all three factors: (1) a skills mismatch — low-quality technical and vocational education produces insufficient skilled manpower; (2) energy shortages — load-shedding and high electricity/gas tariffs significantly raise the cost of doing business; and (3) infrastructure deficits — poor road networks, congested ports, and inadequate industrial estates reduce competitiveness. Together they explain Pakistan's deindustrialisation trends.

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Education QUESTION #6740

Question 116

The primary limitation of performance objectives is that they:

Lack clarity
May not adequately measure complex cognitive processes and creativity✔️
Are too specific
Cannot be assessed

Correct Answer Logic:

While performance objectives specify observable behaviors and measurable outcomes clearly, they may inadequately capture complex processes like creativity, critical thinking, or deep conceptual understanding that don't reduce easily to specific observable behaviors.

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Chemistry QUESTION #7372

Question 117

A magnetic moment of 2.83 BM is exhibited by which of the following ions? (At. nos: Ti = 22, Cr = 24, Mn = 25, Ni = 28)

$\text{Ti}^{3+}$
$\text{Ni}^{2+}$✔️
$\text{Cr}^{3+}$
$\text{Mn}^{2+}$

Correct Answer Logic:

Formula: $\mu = \sqrt{n(n+2)}$ BM, where $n$ = number of unpaired electrons.

For $\mu = 2.83$ BM: $2.83 = \sqrt{n(n+2)}$ → $n = 2$

Checking $\text{Ni}^{2+}$: Ni (Z=28) = [Ar] 3d⁸ 4s². $\text{Ni}^{2+}$ = [Ar] 3d⁸ → 2 unpaired electrons → $\mu = \sqrt{2 \times 4} = \sqrt{8} \approx 2.83$ BM ✓

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