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Ability / HR / Governance / Special Education QUESTION #1934

Under Schedule VI which body/authority submits cases to the President for orders in his discretion?

All Federal Divisions for their respective subjects
Only the Cabinet Division (for appointment of caretaker PM) and the Parliamentary Affairs Division (for dissolution of National Assembly under Article 58(2))✔️
Only the Parliamentary Affairs Division
The Prime Minister on advice of the Cabinet

Correct Answer Logic:

Schedule VI (Rule 15-A(2)) lists only two categories of cases for the President's orders in his own discretion: (1) Appointment of Care-taker Prime Minister under Article 224(1A) — Cabinet Division; and (2) Dissolution of National Assembly under Article 58(2) — Parliamentary Affairs Division.

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Journalism / Mass Communication QUESTION #6380

Question 2

The British Broadcasting Corporation (BBC) was established in 1923. What distinguished its funding model from the commercial radio broadcasting system developed in the United States?

The BBC was funded entirely by private corporate advertising, similar to U.S. commercial stations
The BBC used public taxes (licence fees) on radio receivers rather than commercial advertising to pay for its broadcasts, allowing it greater insulation from direct government and commercial influence✔️
The BBC received all its funding directly from the British government's treasury budget
The BBC relied on listener donations rather than either advertising or taxation

Correct Answer Logic:

In 1922, a New York radio station ran what is considered the first commercial radio broadcast (a 10-minute promotion for co-op apartments). This established the commercial/advertising model for American radio. Britain took a different path. In 1923, the BBC was established using public taxes on radio receivers (later evolved into the television licence fee). This model was designed to fund programming without dependence on commercial sponsors, giving the BBC greater independence from market pressures and direct government control. The textbook notes: “Although most countries of that era also adopted government-sponsored radio broadcasting, the BBC and CBC are among the few that were able to insulate programming content from direct government influence.” In contrast, “most countries used radio to further the political aims of those in power.” The Canadian Broadcasting Corporation (CBC) was modelled after the BBC for similar reasons.

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Maths QUESTION #7940

Question 3

Evaluate: $\left[\dfrac{1}{216}\right]^{-2/3} + \left[\dfrac{1}{27}\right]^{-4/3}$

$\dfrac{3}{4}$✔️
$\dfrac{2}{3}$
$\dfrac{3}{9}$
$\dfrac{1}{8}$

Correct Answer Logic:

$\left[\dfrac{1}{216}\right]^{-2/3} = 216^{2/3} = (6^3)^{2/3} = 6^2 = 36$
$\left[\dfrac{1}{27}\right]^{-4/3} = 27^{4/3} = (3^3)^{4/3} = 3^4 = 81$
Sum $= 36 + 81 = 117$. Note: The answer key states $\dfrac{3}{4}$. Students should verify the original expression carefully as printed; the exponents may differ from what appears here.

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Mathematics QUESTION #1293

Question 4

If $\vec{r} = x\hat{i} + y\hat{j} + z\hat{k}$ and $r = |\vec{r}|$, then $\nabla r^n$ equals:

$nr^{n-2}$
$nr^{n-1}\vec{r}$
$nr^{n-2}\vec{r}$✔️
$nr^n\vec{r}$

Correct Answer Logic:

Using the chain rule: $\nabla r^n = n r^{n-1}\nabla r$. Since $\nabla r = \dfrac{\vec{r}}{r}$, we get $\nabla r^n = n r^{n-1}\cdot\dfrac{\vec{r}}{r} = nr^{n-2}\vec{r}$.

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English QUESTION #8476

Question 5

Select the word OPPOSITE in meaning to: Microcosm

universe
atomic
celestial
macrocosm✔️

Correct Answer Logic:

Microcosm is a small representative system; macrocosm is the large whole.

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Chemistry QUESTION #4369

Question 6

Which of the following is true about pressure for an ideal gas at $-273\ °C$?

$P = 1\ atm$
$P = 2\ atm$
$P = 3\ atm$
$P = 0\ atm$✔️

Correct Answer Logic:

$-273\ °C = 0\ K$ (absolute zero). By the ideal gas law $PV = nRT$, at $T = 0\ K$, $P = \frac{nRT}{V} = 0$. At absolute zero, all molecular motion ceases and pressure becomes zero.

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General Knowledge QUESTION #8275

Question 7

What does the acronym SIM commonly stand for in mobile technology?

Single in line Module
Single-in-Line Memory
Subscriber Identity Module✔️
None of these

Correct Answer Logic:

SIM stands for Subscriber Identity Module

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3403

Question 8

'Glucagon' acts to:

Lower blood sugar
Raise blood sugar by promoting glycogenolysis✔️
Store fat
Build muscle

Correct Answer Logic:

It is the antagonist to insulin, released when blood sugar is low.

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Biology Zoology Botany QUESTION #1352

Question 9

The portion of the digestive tract of a pigeon that produces 'pigeon's milk' used in feeding young is the:

Proventriculus
Gizzard
Crop✔️
None of these

Correct Answer Logic:

The crop is the enlarged pouch in the oesophagus of pigeons and doves. During the breeding season, the crop lining of both parents proliferates under the influence of prolactin to produce 'pigeon milk' — a protein- and fat-rich secretion regurgitated to feed nestlings. The proventriculus is the glandular stomach and the gizzard is the muscular grinding stomach.

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Chemistry QUESTION #1008

Question 10

The species which does NOT undergo disproportionation reaction is:

$\text{ClO}_3^-$
$\text{ClO}^-$
$\text{ClO}_2^-$
$\text{ClO}_4^-$✔️

Correct Answer Logic:

$\text{ClO}_4^-$ (perchlorate) has chlorine in its highest oxidation state ($+7$), so it cannot be oxidized further. Disproportionation requires an element to be simultaneously oxidized and reduced, which is impossible at the maximum oxidation state.

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Math (Module-1) QUESTION #5463

Question 11

Nasir bought $9$ identical storage bins. He used a $\$63$ coupon off the total price. After the coupon, the total was $\$27$. What was the original price of one bin?

9
10✔️
11
12

Correct Answer Logic:

Let $p$ be the price per bin. $9p - 63 = 27 \implies 9p = 90 \implies p = 10$.

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General Knowledge QUESTION #2592

Question 12

The binary system is the communication language of computers. Which of the following correctly describes it?

A system using digits 0 through 9 for all calculations
A base-2 numeral system that uses only the digits 0 and 1✔️
A system that uses letters A through F alongside numbers
A system that uses 10 different signal levels to store data

Correct Answer Logic:

The binary system, also known as the base-2 numeral system, uses only two digits: 0 and 1. Computers use binary because electronic circuits can easily represent two states — OFF (0) and ON (1).

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Agronomy QUESTION #2086

Question 13

An ideal seedbed for small-seeded crops (wheat, canola) must achieve which combination of physical characteristics?

Deep (30+ cm), fine, loose structure with maximum air pore space
Firm at depth for capillary water supply to germinating seeds, fine and friable at the surface (clods < 5–10 mm), level for uniform sowing depth, and free from large clods that create air pockets around seeds causing poor seed-soil contact✔️
Saturated with water to maximum field capacity before sowing
Rough and cloddy to prevent wind erosion of the seedbed before germination

Correct Answer Logic:

Small seeds have limited food reserves — they need intimate seed-soil contact for water imbibition (capillary supply from firm subsoil), precise sowing depth (1–3 cm), and fine tilth for rapid, uniform emergence. Large clods create air gaps around seeds, disrupting water supply. However, over-pulverization destroys structure, causing surface crusting that impedes seedling emergence.

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Islamic Studies QUESTION #7932

Question 14

The Zaboor was revealed on:

Hazrat Musa
Hazrat Isa
Hazrat Dawood✔️
Hazrat Muhammad (S.A.W)

Correct Answer Logic:

Zaboor (Psalms) was revealed to Hazrat Daud (David) AS. It is one of the four major revealed books in Islam (along with Torah, Gospel, and Quran). The Zaboor contained hymns and prayers praising Allah. Hazrat Daud (AS) was blessed with a beautiful voice and would recite Zaboor, causing birds and mountains to glorify Allah with him.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3503

Question 15

'Nutgall' (Quercus infectoria) is a rich source of:

Alkaloids
Tannic acid✔️
Volatile oil
Starch

Correct Answer Logic:

Galls are pathological outgrowths rich in gallotannic acid.

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Chemistry QUESTION #7354

Question 16

A ball of mass 0.66 kg moves at 100 m/s. The de Broglie wavelength associated with it (given $h = 6.6 \times 10^{-34}$ Js) will be:

$6.6 \times 10^{-34}$ m
$1.0 \times 10^{-35}$ m✔️
$1.0 \times 10^{-32}$ m
$6.6 \times 10^{-32}$ m

Correct Answer Logic:

de Broglie formula: $\lambda = \dfrac{h}{mv}$

$\lambda = \dfrac{6.6 \times 10^{-34}}{0.66 \times 100} = \dfrac{6.6 \times 10^{-34}}{66} = 1.0 \times 10^{-35}$ m

This wavelength is vanishingly small, which is why macroscopic objects do not show observable wave behaviour — confirming why quantum effects are only relevant at the atomic/subatomic scale.

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Physics QUESTION #1154

Question 17

What is the change in phase if a wave is reflected from a denser medium?

$3\pi$
$0$
$\pi$✔️
$2\pi$

Correct Answer Logic:

When a wave is reflected from a denser (more rigid) medium, it undergoes a phase change of $\pi$ (180°). This is analogous to a transverse wave on a string being reflected from a fixed end, where the displacement is inverted.

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Accounting & Finance QUESTION #1227

Question 18

A project's profitability index is equal to the ratio of a project's future cash flows to the project's:

Present value; initial cash outlay✔️
Net present value; initial cash outlay
Present value; depreciable basis
Net present value; depreciable basis

Correct Answer Logic:

The Profitability Index (PI) is defined as: $\text{PI} = \dfrac{\text{Present Value of Future Cash Flows}}{\text{Initial Cash Outlay}}$. It measures the value created per unit of investment. A PI greater than 1 indicates the project adds value. It is sometimes expressed as $\text{PI} = 1 + \dfrac{\text{NPV}}{\text{Initial Outlay}}$.

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Pharmacokinetics and Pharmacodynamics QUESTION #3850

Question 19

What is the most reliable pharmacokinetic measurement to demonstrate bioequivalence between two tablet formulations containing the same drug dose?

Disintegration time
Dissolution time
Serum concentration✔️
Rate of excretion

Correct Answer Logic:

Bioequivalence is established by comparing pharmacokinetic parameters ($\text{AUC}$, $C_{\max}$, and $T_{\max}$) derived from serum concentration–time profiles after administration of both formulations.

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Psychology QUESTION #9839

Question 20

When new learning improves retention of previously acquired material, this is called:

Positive transfer✔️
Negative transfer
Reproductive facilitation
Reproductive interference

Correct Answer Logic:

Positive transfer occurs when learning a new task facilitates performance or retention of a previously learned task. Negative transfer involves new learning interfering with the old instead.

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