Reading Mode - Questions

Paper-I (Pharmaceutics II (Industrial and Quality Control) and Pharmaceutics III (Hospital and Community Pharmacy)) QUESTION #5703

Question 10521

In the preparation of a secondary emulsion using the 'Dry Gum Method', what is the primary ratio of Oil:Water:Gum for a fixed oil?

$2:2:1$
$4:2:1$✔️
$3:2:1$
$1:1:1$

Correct Answer Logic:

The standard ratio for fixed oils in the dry gum method is 4 parts oil, 2 parts water, and 1 part gum.

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Federal Rules of Evidence (US) QUESTION #3790

Question 10522

A defendant is on trial for possession of stolen property. He testifies in his own defense. On cross-examination, the prosecutor asks, 'Isn't it true that you lied on your last two tax returns?' The defendant has never been convicted of tax fraud. Is the question permitted?

No, because there was no conviction.
Yes, because Rule 608(b) allows inquiry into specific instances of conduct on cross-examination if they are probative of the witness's character for truthfulness.✔️
No, because it is 'extrinsic evidence.'
Yes, but only if the defendant first introduced evidence of his own good character.

Correct Answer Logic:

Rule 608(b) allows a court to permit cross-examination into specific instances of conduct (even without conviction) if they are probative of the witness's character for truthfulness or untruthfulness.

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Logical Reasoning QUESTION #4433

Question 10523

One apple pie has $10$ slices, and each apple pie feeds five people. Henry is having a party with $200$ people. How many slices of pie does he need?

200
50
400✔️
100

Correct Answer Logic:

Each pie feeds $5$ people and has $10$ slices, so each person gets $\dfrac{10}{5} = 2$ slices. For $200$ people: total slices $= 200 \times 2 = 400$ slices.

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Biomedical Sciences QUESTION #3814

Question 10524

Which endocrine condition is specifically characterised by autoimmune-driven excessive secretion of thyroid hormone?

Addison's disease
Hashimoto thyroiditis
Graves' disease✔️
Wilson's disease

Correct Answer Logic:

Graves' disease is an autoimmune hyperthyroid condition caused by TSH-receptor stimulating antibodies, leading to excessive thyroid hormone production and clinical thyrotoxicosis.

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Reading and Writing (Module-1) QUESTION #5407

Question 10525

Mycorrhizal fungi in soil benefits many plants, substantially increasing the mass of some. A student conducted an experiment to illustrate this effect. The student chose three plant species for the experiment, including two that are mycorrhizal hosts (species known to benefit from mycorrhizal fungi) and one nonmycorrhizal species (a species that doesn't benefit from and may even be harmed by mycorrhizal fungi). The student then grew several plants from each species both in soil containing mycorrhizal fungi and in soil that had been treated to kill mycorrhizal and other fungi. After several weeks, the student measured the plants' average mass and was surprised to discover that _______. Which choice most effectively uses data from the table to complete the statement?

broccoli grown in soil containing mycorrhizal fungi had a slightly higher average mass than broccoli grown in soil that had been treated to kill fungi.✔️
corn grown in soil containing mycorrhizal fungi had a higher average mass than broccoli grown in soil containing mycorrhizal fungi.
marigolds grown in soil containing mycorrhizal fungi had a much higher average mass than marigolds grown in soil that had been treated to kill fungi.
corn had the highest average mass of all three species grown in soil that had been treated to kill fungi while marigolds had the lowest.

Correct Answer Logic:

The student would be surprised that broccoli (a nonmycorrhizal species) had slightly higher mass with fungi (7.5g vs 7g), contradicting the expectation that fungi wouldn't help or might harm it.

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Contracts QUESTION #5850

Question 10526

An installment contract states that the Seller will deliver 12 monthly shipments. The first shipment is slightly late. Can the Buyer cancel the whole contract?

Yes, under the 'Perfect Tender Rule'.
No, unless the delay substantially impairs the value of the whole contract.✔️
Yes, but only if the Buyer is a non-merchant.
No, because installment contracts cannot be canceled.

Correct Answer Logic:

The Perfect Tender Rule does not apply to installment contracts. Under UCC §2-612, the buyer can only reject an installment or cancel the contract if the defect substantially impairs the value.

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General Knowledge QUESTION #11549

Question 10527

Which famous computer worm historically holds the record for being among the most widespread?

ILOVEYOU✔️
Nimda
Melissa
Christmas

Correct Answer Logic:

The ILOVEYOU virus/worm (released May 4, 2000) is considered the most damaging and widespread computer virus in history. It spread via email with subject 'ILOVEYOU' and infected 10% of internet-connected computers worldwide within 10 days, causing an estimated $10 billion in damages. It originated in the Philippines.

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Statistics QUESTION #1988

Question 10528

Among all unbiased estimators of a parameter $\theta$, the one with the minimum variance is called:

A consistent estimator
A sufficient estimator
The UMVUE (Uniformly Minimum Variance Unbiased Estimator)✔️
A maximum likelihood estimator

Correct Answer Logic:

An estimator that is unbiased AND has the smallest variance among all unbiased estimators for every value of $\theta$ is called the UMVUE. By the Cramér-Rao inequality, no unbiased estimator can have variance below the Cramér-Rao lower bound.

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Business, Public administration and Policy QUESTION #10498

Question 10529

The concept of ambiguity in public administration primarily refers to:

The need for more precise job descriptions
The difficulty of specifying concrete and measurable objectives✔️
A lack of hierarchical structure within agencies
The challenge of separating political decisions from administrative ones

Correct Answer Logic:

Ambiguity in public administration refers to the inherent difficulty in clearly defining and measuring public policy objectives. Unlike private firms whose goals (profit) are quantifiable, public agencies must pursue multiple, often conflicting social goals that resist precise specification — making performance measurement and accountability structurally challenging.

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Economics QUESTION #1705

Question 10530

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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Math Physics Chemistry Biology QUESTION #4214

Question 10531

If a colorblind lady marries a normal man, their children will be:

Normal daughters and normal sons
Normal sons and carrier daughters
Colorblind sons and carrier daughters✔️
Colorblind sons and colorblind daughters

Correct Answer Logic:

Colorblind mother $\text{(X}^c\text{X}^c\text{)}$ × Normal father $\text{(X}^+\text{Y)}$ produces carrier daughters and colorblind sons.

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Molecular Biology / Bioinformatics / Biochemistry QUESTION #11083

Question 10532

What leads to the formation of the canal system in sponges (Porifera)?

Inner wall folding✔️
Gastro-vascular system
Reproduction
Porous walls

Correct Answer Logic:

The canal system in sponges develops from the folding of the inner wall (choanocyte layer). As the sponge body wall folds inward, it increases the surface area of choanocytes (collar cells) that line the canals and chambers, maximising water filtration and feeding efficiency. The three canal systems (asconoid, syconoid, leuconoid) represent increasing degrees of wall folding. The porous walls (ostia) allow water entry, but the canal system architecture itself results from inner wall folding.

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Pakistan Affairs QUESTION #9113

Question 10533

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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Biology Zoology Botany QUESTION #10828

Question 10534

Rats and mice have estrous cycles that repeat approximately every:

4–6 hours
4–6 days✔️
4–6 weeks
46 months

Correct Answer Logic:

Rats and mice are polyestrous with short estrous cycles of approximately 4–6 days. The mouse estrous cycle is ~4–5 days; the rat cycle is ~4–5 days. The cycle has four stages: proestrus, estrus (ovulation), metestrus (diestrus 1), and diestrus (diestrus 2). This short cycle makes rodents valuable research models for reproductive biology. Humans have a ~28-day menstrual cycle; cattle have a ~21-day cycle.

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Education QUESTION #7573

Question 10535

The belief that 'reforms are necessary in all walks of life' is a central focus of which philosophy?

Perennialism
Essentialism
Progressivism
Reconstructionism✔️

Correct Answer Logic:

Reconstructionism advocates for using education as a tool to reform society and address social problems, emphasizing that change and improvement are needed across all aspects of life.

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Mathematics QUESTION #1291

Question 10536

For the Cauchy Residue Theorem, the integral $\oint_C f(Z)\,dZ$ where $f$ has isolated singularities $z_1,z_2,\ldots,z_n$ inside $C$ equals:

Sum of residues
2$\pi i$ times sum of residues✔️
$\pi i$ times sum of residues
Twice the sum of residues

Correct Answer Logic:

Cauchy's Residue Theorem: $\oint_C f(Z)\,dZ=2\pi i\sum_{k=1}^n\text{Res}(f,z_k)$, where the sum is over all isolated singularities inside the positively oriented simple closed contour $C$. The factor $2\pi i$ is essential and always present.

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English Literature QUESTION #10744

Question 10537

Choose the grammatically correct sentence:

He was shocked when she told him who called her last night.✔️
He was shocked when she told him whom called her last night.
He was shocked when she told him what called her last night.
He was shocked when that she told him who called her last night.

Correct Answer Logic:

Option A is correct: 'He was shocked when she told him who called her last night.' Here 'who' is the subject of the embedded clause 'who called her last night' — the subject of 'called,' so the subject pronoun 'who' (not the object pronoun 'whom') is correct. Option B is wrong because 'whom' is an object pronoun but here it functions as subject. Option D incorrectly inserts 'that' before 'she.'

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Physics QUESTION #7087

Question 10538

A material has density $\rho$ and bulk modulus $K$. What is the increase in density when a uniform pressure $P$ is applied?

$\frac{\rho P}{K}$✔️
$\frac{\rho K}{P}$
$\frac{K}{\rho P}$
$\frac{PK}{\rho}$

Correct Answer Logic:

Bulk modulus $K = \rho \frac{dP}{d\rho}$.

Rearranging for change in density $d\rho$: $d\rho = \frac{\rho dP}{K}$
Given $dP = P$, the increase is $\frac{\rho P}{K}$.

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MCQs Section QUESTION #5302

Question 10539

اردو کا پہلا ڈرامہ کون سا ہے؟

انارکلی
اندر سبھا✔️
وارث
ان میں سے کوئی نہیں

Correct Answer Logic:

اردو کا پہلا ڈرامہ 'اندر سبھا' ہے جو آغا حسن امانت نے لکھا تھا۔

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Chemistry QUESTION #5582

Question 10540

In a reaction sequence, sodium phenoxide reacts with $CO_2$ under pressure at 125°C (Kolbe–Schmitt reaction) to give B, which on acetylation with $Ac_2O$ gives C. What is the major product C?

Methyl salicylate (OH and $COOCH_3$ on ring)
Ortho-acetoxybenzoic acid ($OCOCH_3$ and $COOH$ ortho)✔️
Para-acetoxybenzoic acid ($OCOCH_3$ and $COOH$ para)
A compound with keto groups

Correct Answer Logic:

Kolbe–Schmitt reaction: Sodium phenoxide + $CO_2$ (125°C, 5 atm) → Sodium salicylate (2-hydroxybenzoate), acidified to give salicylic acid (B = 2-hydroxybenzoic acid). Acetylation of salicylic acid with $Ac_2O$ preferentially acetylates the –OH group → product C = 2-(acetyloxy)benzoic acid = aspirin (ortho-acetoxybenzoic acid).

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