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Library Sciences QUESTION #1572

In serials management, a 'check-in' record serves which primary function?

Recording the cost of each serial subscription
Systematically tracking the receipt of each issue of a periodical to identify gaps, missing issues, or irregular publication✔️
Binding completed serial volumes
Providing access to serial articles through an index

Correct Answer Logic:

The check-in record (or kardex) is a serials control tool that tracks the arrival of each issue of a periodical subscription. It enables librarians to quickly identify missing or late issues, claim them from vendors, and maintain a complete run — critical for academic and special library serials management.

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Planning QUESTION #5024

Question 7082

In social impact assessment, what is the 'displacement effect'?

Physical relocation of residents✔️
Psychological impact of change
Economic loss
Environmental degradation

Correct Answer Logic:

Displacement (direct or indirect/economic) involves forced relocation of residents due to development projects. Direct displacement is physical removal; economic displacement occurs when rising costs force residents out. Both have severe social impacts requiring mitigation measures and resettlement assistance.

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Math Physics Chemistry Biology QUESTION #4288

Question 7083

Which is the common feature between cardiac and smooth muscles?

Voluntary
Involuntary✔️
Branched
Unbranched

Correct Answer Logic:

Both cardiac and smooth muscles are involuntary — they operate without conscious control, unlike skeletal muscle which is voluntary.

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Islamic Studies QUESTION #335

Question 7084

Sahifa-e-Hammam bin Munabbih is contained in its entirety in which book?

Sahih Bukhari
Sahih Muslim
Musnad Ahmad✔️
Sunan Tirmidhi

Correct Answer Logic:

This early Hadith collection is preserved within the Musnad of Imam Ahmad bin Hanbal.

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Dairy Food Science and Technology QUESTION #5988

Question 7085

The concentration of lactose in cow's milk ($\approx 4.7\%$) controls milk yield because:

Lactose concentration in milk is independent of blood osmolarity
Milk yield is primarily determined by lactose synthesis in the mammary gland, because water follows osmotically; cows that synthesize more lactose produce more milk✔️
Blood glucose directly determines cheese yield
Lactose synthesis is inhibited by mastitis because inflammation increases blood lactose

Correct Answer Logic:

Lactose is synthesized by lactose synthase ($\beta$-1,4-galactosyltransferase $+$ $\alpha$-lactalbumin) in the Golgi apparatus. Lactose is the main osmotic driver — water follows osmotically into the alveolar lumen. Mastitis reduces $\alpha$-lactalbumin synthesis, impairing lactose synthase activity and reducing milk yield.

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Professional QUESTION #1824

Question 7086

Under Section 3(3) added by Act No. IX of 2016, when a civil servant of a devolved Ministry is transferred to a Province under the Eighteenth Amendment, on what terms and conditions does he become a provincial civil servant?

On terms and conditions as may be determined by the Provincial Government
On terms and conditions as may be prescribed by the Federal Government
On the same terms and conditions as were applicable to him before such transfer✔️
On terms and conditions to be negotiated between the Federal and Provincial Governments

Correct Answer Logic:

Section 3(3) specifically provides that when a civil servant of a devolved Ministry or Division working in an Attached Department or Subordinate Office situated in a Province is transferred to that Province, he shall become a civil servant of the respective Province on the same terms and conditions of service as were applicable to him before such transfer.

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3019

Question 7087

'Vanishing Creams' are typically of what type?

W/O Emulsion
O/W Emulsion✔️
Non-emulsified
Purely oleaginous

Correct Answer Logic:

Vanishing creams are O/W emulsions that disappear into the skin upon application.

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Pakistan Affairs QUESTION #602

Question 7088

The Third Battle of Panipat (1761) was fought between Ahmad Shah Abdali and:

The Mughals
The Marhattas✔️
The British
None of These

Correct Answer Logic:

The battle was a major conflict between the Durrani Empire and the Maratha Empire.

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Islamic Studies QUESTION #7930

Question 7089

In which night the Quran was revealed?

Shab-e-Miraj
Lailat-ul-Qadr✔️
Lail-tul-Aroos
Shab-e-Barat

Correct Answer Logic:

The Quran was revealed on Laylat al-Qadr (The Night of Power), which falls in the last ten nights of Ramadan, most likely the 27th night. This night is described in Surah Al-Qadr as 'better than a thousand months.' The entire Quran was sent down from Lauh al-Mahfuz to the lowest heaven on this night, then revealed gradually to the Prophet over 23 years.

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General Abilities QUESTION #4586

Question 7090

Solve proportion: $\frac{3}{x} = \frac{9}{27}$

$x = 9$✔️
$x = 3$
$x = 27$
$x = 81$

Correct Answer Logic:

Cross-multiply: $9x = 81$, so $x = 9$

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Mathematics QUESTION #1277

Question 7091

For the system of equations with parameter $a$: $x+2y-3z=4$, $3x-y+5z=2$, $4x+y+(a^2-14)z=a+2$, the system has infinitely many solutions when $a$ equals:

2
$-2$
Both $2$ and $-2$✔️
No value of $a$

Correct Answer Logic:

Row-reducing the augmented matrix leads to the condition $(a^2-14-\text{something})z=a+2-\text{something}$. The coefficient of $z$ in the last row becomes $a^2-14+\frac{14}{7}\cdot...$. After elimination: $(a^2-4)z=(a-2)$ in the last equation. For infinite solutions: coefficient and RHS both zero: $a^2-4=0\Rightarrow a=\pm2$ and $a-2=0\Rightarrow a=2$. So infinite solutions at $a=2$; no solution at $a=-2$.

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Chemistry QUESTION #1009

Question 7092

The molar solubility ($s$) of zirconium phosphate with formula $(\text{Zr}^{4+})_3(\text{PO}_4^{3-})_4$ is given by the relation:

$\left(\dfrac{K_{sp}}{9612}\right)^{1/3}$
$\left(\dfrac{K_{sp}}{6912}\right)^{1/7}$✔️
$\left(\dfrac{K_{sp}}{8435}\right)^{1/7}$
$\left(\dfrac{K_{sp}}{5348}\right)^{1/6}$

Correct Answer Logic:

Dissolution: $\text{Zr}_3(\text{PO}_4)_4 \rightleftharpoons 3\text{Zr}^{4+} + 4\text{PO}_4^{3-}$. If solubility $= s$: $[\text{Zr}^{4+}]=3s$, $[\text{PO}_4^{3-}]=4s$. $K_{sp} = (3s)^3(4s)^4 = 27s^3 \cdot 256s^4 = 6912\,s^7$. So $s = \left(\dfrac{K_{sp}}{6912}\right)^{1/7}$.

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General Knowledge QUESTION #8808

Question 7093

Which country has the highest ratio of internet users per 1,000 people?

Sweden
USA
Iceland✔️
China

Correct Answer Logic:

Iceland has one of the highest internet penetration rates.

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Chemistry QUESTION #7792

Question 7094

4 g of Mg heated in excess O₂. Theoretical yield of MgO (g) is: $2\mathrm{Mg} + \mathrm{O}_2 \rightarrow 2\mathrm{MgO}$

3.7 g
4.2 g
5.4 g✔️
6.6 g

Correct Answer Logic:

Molar mass Mg = 24 g/mol: moles Mg = 4/24 = 0.1667 mol. 2 mol Mg → 2 mol MgO, so mol MgO = 0.1667 mol. Molar mass MgO = 40 g/mol: mass = 0.1667×40 = 6.67 g ≈ 6.6 g.

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Chemistry QUESTION #465

Question 7095

In synthetic fibres __________ bonding is responsible for tensile strength.

Nitrogen
Hydrogen
Oxygen
None of these✔️

Correct Answer Logic:

Answer key shows D (None of these)

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Urdu QUESTION #5103

Question 7096

ادب کی اصطلاح میں تنقید کے معانی کیا ہیں؟

تشریح
نکتہ چینی✔️
وصف
ان میں سے کوئی نہیں

Correct Answer Logic:

تنقید کے لغوی معنی پرکھنا یا جانچنا ہیں۔ ادبی اصطلاح میں اس سے مراد کسی فن پارے کی خوبیوں اور خامیوں کو اجاگر کرنا ہے۔

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Physics QUESTION #7018

Question 7097

Two forces $P$ and $Q$ have magnitudes $2F$ and $3F$ respectively, acting at an angle $\theta$ to each other. If the magnitude of force $Q$ is doubled, the resulting force also doubles. What is the value of the angle $\theta$?

$120^\circ$✔️
$60^\circ$
$90^\circ$
$30^\circ$

Correct Answer Logic:

Using the resultant formula $R^2 = A^2 + B^2 + 2AB \cos \theta$. Initially, $R^2 = (2F)^2 + (3F)^2 + 2(2F)(3F)\cos \theta = 13F^2 + 12F^2 \cos \theta$. When $Q$ is doubled ($6F$), the new resultant is $2R$, so $(2R)^2 = (2F)^2 + (6F)^2 + 2(2F)(6F)\cos \theta = 40F^2 + 24F^2 \cos \theta$. Substituting $4R^2$ and solving the equations yields $\cos \theta = -0.5$, which corresponds to $120^\circ$.

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General Knowledge QUESTION #4727

Question 7098

The 2005 Nobel Peace Prize was awarded to Mohamed ElBaradei together with which organization?

UNESCO
International Atomic Energy Agency (IAEA)✔️
World Health Organization
UNICEF

Correct Answer Logic:

The 2005 Nobel Peace Prize was jointly awarded to Mohamed ElBaradei and the International Atomic Energy Agency (IAEA) for their efforts to prevent nuclear energy from being used for military purposes.

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Mathematics QUESTION #7475

Question 7099

Let $\vec{u}$ be a vector coplanar with the vectors $\vec{a} = 2\hat{i} + 3\hat{j} - \hat{k}$ and $\vec{b} = \hat{j} + \hat{k}$. If $\vec{u}$ is perpendicular to $\vec{a}$ and $\vec{u} \cdot \vec{b} = 24$, then $|\vec{u}|^2$ is equal to:

256
84
336✔️
315

Correct Answer Logic:

Since $\vec{u}$ is coplanar with $\vec{a}$ and $\vec{b}$, we can write $\vec{u} = x\vec{a} + y\vec{b} = x(2\hat{i}+3\hat{j}-\hat{k}) + y(\hat{j}+\hat{k}) = 2x\hat{i} + (3x+y)\hat{j} + (-x+y)\hat{k}$. Condition $\vec{u} \perp \vec{a}$: $\vec{u} \cdot \vec{a} = 2x(2) + (3x+y)(3) + (-x+y)(-1) = 0$, giving $4x + 9x + 3y + x - y = 0$, so $14x + 2y = 0$, thus $y = -7x$. Condition $\vec{u} \cdot \vec{b} = 24$: $(3x+y)(1) + (-x+y)(1) = 24$, giving $3x+y-x+y = 24$, so $2x+2y = 24$, thus $x+y = 12$. From $y=-7x$: $x-7x = 12$, so $-6x=12$ and $x=-2$, giving $y=14$. Thus $\vec{u} = -4\hat{i} + 8\hat{j} + 16\hat{k}$, and $|\vec{u}|^2 = 16 + 64 + 256 = 336$.

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Law QUESTION #9494

Question 7100

A Court passes a decree directing B to hand over possession of a house to A. B vacates but his tenant T, who was not a party to the suit, refuses to vacate. A applies for execution against T. T argues he cannot be bound by a decree passed in a suit to which he was not a party. How should the Court proceed?

T must be impleaded as a party in a fresh suit
T is correct; a decree binds only parties to the suit
The Court can examine whether T is in possession as a representative or agent of B; if so, delivery of possession can be effected against T in execution without a separate suit✔️
T can only be dispossessed by a separate suit for eviction

Correct Answer Logic:

Under Order XXI CPC, a decree for possession of property can be executed against the judgment-debtor and those claiming through him, including tenants who entered possession after the suit was filed or who hold under the judgment-debtor in a representative capacity. The Court investigates T's status in the execution proceedings.

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