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MCQs Section QUESTION #4837

Pick the word nearly similar in meaning to "ANATHEMA"

Curse✔️
Cure
Anemia
Asthma

Correct Answer Logic:

Anathema means a formal curse or something or someone greatly detested or loathed. Example: Corruption is anathema to good governance.

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Urdu QUESTION #5224

Question 2

استعارے کے لغوی معنی ہیں؟

ادھار لینا✔️
اشارہ کرنا
نقد کی چیز لینا
ان میں سے کوئی نہیں

Correct Answer Logic:

استعارے کے لغوی معنی ادھار لینا یا مستعار لینا ہیں۔ یہی وجہ ہے کہ اس میں ایک چیز کا نام دوسری کو دیا جاتا ہے۔

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Mechanical Engineering QUESTION #2390

Question 3

The phase margin (PM) of a control system is defined as:

The gain at the phase crossover frequency
$PM = 180° + \angle Y_1(j\omega_{gc})$ where $\omega_{gc}$ is the gain crossover frequency (where $|Y_1(j\omega)|=1$)✔️
$PM = |Y_1(j\omega_{pc})|$ where $\omega_{pc}$ is the phase crossover frequency
The bandwidth of the closed-loop system

Correct Answer Logic:

Phase margin: $PM=180°+\phi_{gc}$ where $\phi_{gc}=\angle Y_1(j\omega_{gc})$ at the gain crossover frequency. PM indicates how much additional phase lag would bring the system to the verge of instability. Typically $PM\geq45°$ is desired.

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Basic Mathematics QUESTION #2872

Question 4

Find $20\%$ of $30\%$ of $500$.

30✔️
150
20
60

Correct Answer Logic:

Calculation: $30\%$ of $500 = 150$. Then $20\%$ of $150 = 30$.

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Mathematics QUESTION #4165

Question 5

Using Green's theorem, $\oint_C \vec{F} \cdot d\vec{r} = \iint_R \left(\frac{\partial Q}{\partial x} - \frac{\partial P}{\partial y}\right) dA$ where $\vec{F} = [\frac{1}{2}xy^4, \frac{1}{2}x^4y]$. For the rectangle $[0,3] \times [0,2]$, what is the value?

$6$
$12$
$18$✔️
$36$

Correct Answer Logic:

$\frac{\partial Q}{\partial x} = 2x^3y$, $\frac{\partial P}{\partial y} = 2xy^3$. So $\iint_R (2x^3y - 2xy^3) dA = \int_0^3\int_0^2 (2x^3y - 2xy^3) dy dx = 18$.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3193

Question 6

'Peripheral Resistance' to blood flow is primarily determined by the diameter of:

Aorta
Veins
Arterioles✔️
Capillaries

Correct Answer Logic:

Arterioles are known as the 'resistance vessels' because they can significantly constrict or dilate.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3119

Question 7

Hydrochloric Acid (HCl) is secreted by which cells in the stomach?

Chief cells
Parietal cells✔️
Mucous cells
G-cells

Correct Answer Logic:

Parietal cells secrete HCl and intrinsic factor (necessary for Vitamin $B_{12}$ absorption).

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Pakistan Affairs QUESTION #4679

Question 8

Who served as the Special Representative of the United States for Afghanistan and Pakistan Affairs (SRAP)?

Richard Holbrooke✔️
Joan Elizabeth
Gen. MacArthur
George Mitchell

Correct Answer Logic:

Richard Holbrooke served as the first US Special Representative for Afghanistan and Pakistan (SRAP) from January 2009 until his death in December 2010.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3411

Question 9

Which electrolyte is the 'Main Extracellular Cation' responsible for fluid balance?

Potassium ($K^+$)
Sodium ($Na^+$)✔️
Calcium ($Ca^{2+}$)
Chloride ($Cl^-$)

Correct Answer Logic:

Sodium is the primary ion in the ECF; Potassium is the primary ion in the ICF.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3550

Question 10

'Nux Vomica' contains which toxic alkaloid?

Caffeine
Strychnine✔️
Nicotine
Quinine

Correct Answer Logic:

Strychnine is a potent CNS stimulant and poison.

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Commerce QUESTION #1228

Question 11

The discount rate at which two projects have identical _________ is referred to as Fisher's rate of intersection.

Present values
Net present values✔️
IRRs
Profitability indexes

Correct Answer Logic:

Fisher's rate of intersection (or Fisher's rate) is the discount rate at which the NPVs of two mutually exclusive projects are equal — the crossover rate. At this rate, both projects have identical Net Present Values. Below this rate, one project is preferred; above it, the other is preferred. It is used to resolve conflicts between NPV and IRR rankings.

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Logical Reasoning QUESTION #4430

Question 12

The virus spreads rapidly in the town. It infected the people — First day: $8$, Second day: $16$, Third day: $32$. What will the number of infected people be on the next day?

44 people
56 people
64 people✔️
74 people

Correct Answer Logic:

The number of infected people doubles each day: $8 \rightarrow 16 \rightarrow 32 \rightarrow\ ?$. This is a geometric progression with common ratio $r = 2$. Next term $= 32 \times 2 = 64$ people.

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Architecture QUESTION #2364

Question 13

In soil compaction, the Zero Air Voids (ZAV) curve or 100% saturation curve represents:

The maximum dry density achievable for a given soil at any compactive effort
The theoretical maximum dry density $\gamma_{d,max}$ at a given water content $w$ if all air voids are eliminated, given by $\gamma_d = \dfrac{G_s \gamma_w}{1 + w G_s}$✔️
The field density achieved by standard Proctor compaction test
The relationship between void ratio and effective stress during consolidation

Correct Answer Logic:

The ZAV curve is the theoretical upper bound of dry density at any moisture content, computed as $\gamma_d = \dfrac{G_s \gamma_w}{1 + w G_s}$, assuming $S = 100\%$ (all voids filled with water, no air). In practice, compaction curves plot below and to the left of the ZAV curve. The ZAV curve does not represent an achievable state during compaction but serves as a reference limit.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3211

Question 14

'Negative Feedback' mechanism is used by the body to:

Increase a stimulus continuously
Oppose a change and restore balance✔️
Store fat
Produce sound

Correct Answer Logic:

Most hormones are regulated by negative feedback to maintain homeostasis.

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Paper-I (Pharmaceutics II (Industrial and Quality Control) and Pharmaceutics III (Hospital and Community Pharmacy)) QUESTION #5693

Question 15

Which of the following is a 'Chemical Incompatibility' resulting from an oxidation-reduction reaction?

Salicylic acid with Iron salts
Ascorbic acid in alkaline solution✔️
Calcium Gluconate with Sodium Bicarbonate
Magnesium Sulfate with Alcohol

Correct Answer Logic:

Ascorbic acid (Vitamin C) is highly susceptible to oxidation, especially in alkaline conditions.

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Paper-I (Pharmaceutics II (Industrial and Quality Control) and Pharmaceutics III (Hospital and Community Pharmacy)) QUESTION #5720

Question 16

A healthcare unit incorporates specialized scientific equipment and trained professionals working as a team. What is the fundamental aim of Hospital Pharmacy quality assurance?

To maximize profit
Manufacturing, assembling, and purchase of pharmaceuticals✔️
Reducing the number of doctors
Designing hospital architecture

Correct Answer Logic:

The text lists quality assurance for manufacturing and purchase as a primary aim.

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Physics QUESTION #4416

Question 17

If the length of a conductor is made 4 times its original length, its resistance becomes:

Quarter
Half
Zero
4 times✔️

Correct Answer Logic:

Resistance $R = \dfrac{\rho L}{A}$. Since $R \propto L$ (at constant cross-sectional area and resistivity), if $L$ becomes $4L$, then $R$ becomes $4R$. The resistance becomes $\mathbf{4}$ times the original.

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Others section QUESTION #4809

Question 18

Which gas is considered the most significant contributor to the greenhouse effect and climate change?

Ozone
Chlorofluorocarbons
Carbon Dioxide✔️
Methane

Correct Answer Logic:

Carbon Dioxide (CO2) is considered the most significant greenhouse gas contributing to climate change due to its high concentration in the atmosphere and long atmospheric lifetime, largely from burning fossil fuels.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3238

Question 19

'Diffusion' across a membrane is FASTER if:

The membrane is thicker
The concentration gradient is smaller
The surface area is larger✔️
The temperature is lower

Correct Answer Logic:

Fick's Law states that diffusion rate increases with larger surface area and steeper gradients.

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Federal Rules of Evidence (US) QUESTION #3776

Question 20

In a criminal trial for armed robbery, the prosecution seeks to introduce a witness's testimony that the defendant's brother offered the witness $\$5,000$ to 'forget' what he saw. The defendant was not present during this conversation and there is no evidence he authorized it. Is this testimony admissible?

No, because it is hearsay not subject to any exception.
Yes, as a statement by a co-conspirator under Rule 801(d)(2)(E).
Yes, to show the defendant's 'consciousness of guilt' via his agent.
No, because the statement cannot be attributed to the defendant under Rule 801(d)(2).✔️

Correct Answer Logic:

Under Rule 801(d)(2), a statement is not hearsay if it is offered against an opposing party and was made by the party's agent. However, without proof of agency or authorization, the brother's statement is inadmissible hearsay against the defendant. It fails the 'opposing party's statement' test.

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