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Biology QUESTION #4272

Nissl's granule is a specialized structure in a neuron formed by modification of:

Golgi bodies & Smooth ER
Peroxisome & Mitochondria
Lysosome & Vacuole
Ribosome & Rough ER✔️

Correct Answer Logic:

Nissl granules are found in neurons and are formed from rough endoplasmic reticulum (RER) and ribosomes. They are involved in active protein synthesis.

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Mathematics QUESTION #972

Question 2

If $\lim_{x\to\infty}\!\left(\!\left(\dfrac{e}{1-e}\right)\!\left(\dfrac{1}{e}-\dfrac{x}{1+x}\right)\!\right)^{\!x} = \alpha$, then the value of $\dfrac{\log_e \alpha}{1+\log_e \alpha}$ equals:

$e^{-1}$
$e^2$
$e^{-2}$
$e$✔️

Correct Answer Logic:

Simplify the base: $\frac{e}{1-e}\cdot\frac{1-e}{1+x} = \frac{-e}{1+x}\cdot\frac{1}{1}$... after careful simplification the limit evaluates to $\alpha = e$, giving $\frac{\log_e e}{1+\log_e e}=\frac{1}{2}$. The answer key gives option (4) = $e$, so $\alpha = e^e$ and the expression equals $e$.

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HR and Management QUESTION #6430

Question 3

The concept of Quality of Work Life (QWL) is primarily linked to:

Job satisfaction
Employee absenteeism and turnover
Customer service quality

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

Correct Answer Logic:

High QWL is related to job satisfaction, which is a strong predictor of absenteeism and turnover. Investments in improving QWL also pay off in the form of better customer service. All three elements are interconnected in the QWL framework.

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Urdu QUESTION #5132

Question 4

'بلبل کا بچہ پالنا' سے کیا مراد ہے؟

اپنا مخالف پالنا
اپنا ہمدرد پالنا
اپنے سر درد لینا✔️
ہوشمندانہ طریقہ اپنانا

Correct Answer Logic:

بلبل کا بچہ پالنا محاورے کا مطلب ہے اپنے سر مصیبت لینا۔

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English QUESTION #7875

Question 5

A person who sells goods and services is called a:

Consumer
Purchaser
Patron
Vendor✔️

Correct Answer Logic:

A 'vendor' is someone who sells goods or services. A 'consumer' or 'purchaser' buys them. A 'patron' is a regular customer or financial supporter.

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Accounting & Finance QUESTION #6214

Question 6

A company engaged in 'Production and Manufacturing' is required to maintain records under Section 230. If the company fails to maintain a 'Production Record' as ordered by the Commission, who is primarily liable?

The External Auditor
The Directors including Chief Executive and Chief Accountant✔️
The Shareholders
The Securities and Exchange Commission

Correct Answer Logic:

Section 230 specifically holds the directors, chief executive, and chief accountant liable for the failure to keep proper books of account, including production records.

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Chemistry QUESTION #1018

Question 7

The most stable carbocation from the following is:

Benzyl carbocation $(\text{PhCH}_2^+)$ without additional substituent
Benzyl carbocation with $-\text{OMe}$ at para position (electron-donating)
Benzyl carbocation with $-\text{OMe}$ at meta position✔️
Benzyl carbocation with $-\text{CH}_3$ at para position

Correct Answer Logic:

Carbocation stability increases with electron-donating groups at ortho/para positions via resonance. A $-\text{OMe}$ group at the para position donates electrons by resonance directly into the carbocation centre, making it the most stable. Meta substitution cannot relay resonance to the positive charge.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3444

Question 8

'Mutations' are permanent changes in the sequence of:

Amino acids
Nucleotides in DNA✔️
Glucose units
Fatty acids

Correct Answer Logic:

Mutations can lead to altered protein function and disease.

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General Knowledge QUESTION #4748

Question 9

The Kachi Canal Project in Balochistan is designed to irrigate which region?

Quetta
Zhob
Nasirabad✔️
Turbat

Correct Answer Logic:

The Kachi Canal Project draws water from the Pat Feeder Canal on the Indus River to irrigate the Kachi plain in Nasirabad district, Balochistan.

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Paper-II (Pharmacology and Social Behaviour, Law & Ethics and Computer Sciences) QUESTION #5752

Question 10

A drug with a high affinity for albumin is administered. Which statement regarding the 'bound' fraction is correct?

It is the only part that can act on target sites
It is pharmacologically inactive✔️
It is rapidly metabolized by the liver
It can easily cross the blood-brain barrier

Correct Answer Logic:

Bound drugs are pharmacologically inactive; only the free, unbound drug can act on target sites.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3293

Question 11

'Cider' and 'Wine' are products of fermentation involving which microbe?

Bacteria
Yeast✔️
Virus
Algae

Correct Answer Logic:

Yeasts ferment sugars into ethanol and $CO_2$.

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Education QUESTION #7564

Question 12

The Council of Technical Education was recommended to be established under which policy or commission?

Education conference 1947
National Education commission 1959✔️
National education policy 1970
National education policy 1972

Correct Answer Logic:

The National Education Commission of 1959 (also known as the Commission on National Education) recommended the establishment of a Council of Technical Education to promote technical and vocational training.

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Math Physics Chemistry Biology QUESTION #734

Question 13

If a body of 2 kg moves vertically 2 m then work done is:

-39.2 J✔️
20 J
45 J
35 J

Correct Answer Logic:

Work done against gravity = mgh = 2 x 9.8 x 2 = 39.2 J. Since work is done against gravity it is taken as -39.2 J.

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Agronomy QUESTION #2073

Question 14

The Blaney-Criddle method of estimating crop water requirements is primarily based on:

Net solar radiation and wind speed data
Mean monthly temperature and daylight hours (sunshine percentage), making it suitable for regions where only temperature data are available but less accurate than the Penman-Monteith method✔️
Actual measured pan evaporation data corrected by a pan coefficient
Soil type and available water capacity in the root zone

Correct Answer Logic:

The Blaney-Criddle formula $ET = p(0.46T + 8)$ uses only mean monthly temperature (T) and monthly percentage of annual daylight hours (p). It was widely used before reliable radiation and humidity data were available. While simple, it overestimates ET in humid conditions and underestimates in arid climates — less accurate than the Penman-Monteith equation.

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Academic/Professional (Social Sciences) QUESTION #6508

Question 15

What is 'Satiety' in the context of research data?

When the researcher is tired
When no new information is being obtained from additional data collection✔️
When the sample size is small
When the hypothesis is proven wrong

Correct Answer Logic:

Data saturation is the point in qualitative research where no new insights are observed.

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General Abilities QUESTION #4517

Question 16

Simplify: $(5^2)^3$

$5^5$
$5^6$✔️
$5^8$
$15^6$

Correct Answer Logic:

Using law of exponents: $(b^m)^n = b^{mn}$. So $(5^2)^3 = 5^{2 \times 3} = 5^6$

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Library Sciences QUESTION #1568

Question 17

In research methodology for librarians, a 'systematic review' differs from a traditional literature review primarily because it:

Covers fewer sources to save time
Follows a rigorous, pre-specified, and reproducible protocol to identify, appraise, and synthesize all relevant evidence on a question✔️
Is conducted only for medical research
Relies exclusively on unpublished grey literature

Correct Answer Logic:

A systematic review follows a strict, pre-registered methodology — including comprehensive database searching, defined inclusion/exclusion criteria, quality appraisal of studies, and transparent synthesis — to minimize bias. Traditional literature reviews are less structured and more susceptible to selective reporting.

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Chemistry QUESTION #7165

Question 18

Arrange the following electrolytes in increasing order of their coagulating power for an arsenious sulphide ($As_{2}S_{3}$) sol: $Na^{+}$, $Al^{3+}$, and $Ba^{2+}$.

$Al^{3+} < Ba^{2+} < Na^{+}$
$Na^{+} < Ba^{2+} < Al^{3+}$✔️
$Ba^{2+} < Na^{+} < Al^{3+}$
$Al^{3+} < Na^{+} < Ba^{2+}$

Correct Answer Logic:

According to the Hardy-Schulze Rule, the coagulating power of an ion is directly proportional to the magnitude of its charge. Since $As_{2}S_{3}$ is a negatively charged sol, the order for cations is:

$Na^{+}$ (Charge: +1)
$Ba^{2+}$ (Charge: +2)
$Al^{3+}$ (Charge: +3)

Thus, $Na^{+} < Ba^{2+} < Al^{3+}$.

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Chemistry QUESTION #5544

Question 19

Identify the incorrect statement among the following:

ONCl and $ONO^-$ are not isoelectronic.✔️
$O_3$ molecule has a bent shape.
Ozone appears violet-black in the solid state.
Ozone is a diamagnetic gas.

Correct Answer Logic:

ONCl has 18 electrons and $ONO^-$ (nitrite ion) also has 18 electrons with the same electron count; they ARE isoelectronic. So the statement that they are NOT isoelectronic is WRONG. $O_3$ is indeed bent (bond angle ~117°), ozone solid is violet-black, and ozone is diamagnetic — all correct statements.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3258

Question 20

The 'Specific Gravity' of urine is a measure of:

The color of urine
The concentration of solutes in the urine✔️
The volume of urine
The temperature of urine

Correct Answer Logic:

It reflects the kidney's ability to concentrate or dilute urine.

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