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Library Sciences QUESTION #1563

Which type of library circulation system uses barcodes or RFID tags on both library cards and items, and automates the charging and discharging process through an Integrated Library System (ILS)?

Browne system
Ledger system
Automated circulation system✔️
Dummy card system

Correct Answer Logic:

Automated circulation systems use barcodes or RFID technology on items and patron cards, linked to an Integrated Library System (ILS), to automatically record loans, returns, renewals, and holds — replacing manual systems like the Browne system or ledger-based methods.

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MCQs Section QUESTION #4871

Question 2

Correct antonym of "BI-PARTISAN" is

Narrow minded✔️
Progressive
Representing two parties
Divided

Correct Answer Logic:

Bi-partisan means involving cooperation between two political parties. Its antonym is 'narrow minded,' implying a refusal to cooperate or consider opposing viewpoints.

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Chemistry QUESTION #7176

Question 3

In a $10 \text{ m}^{3}$ container at $1000 \text{ K}$, a mixture of $0.5$ moles of gas A and $x$ moles of gas B exerts a total pressure of $200 \text{ Pa}$. If $R$ is the gas constant, find the value of $x$.

$\frac{2R}{4+R}$
$\frac{2R}{4-R}$
$\frac{4+R}{2R}$
$\frac{4-R}{2R}$✔️

Correct Answer Logic:

Using the Ideal Gas Equation $PV = nRT$:

Total moles $n = 0.5 + x$
$200 \times 10 = (0.5 + x) \times R \times 1000$
$2000 = (0.5 + x)1000R$
$2 = (0.5 + x)R$
$2/R = 0.5 + x$
$x = \frac{2}{R} - \frac{1}{2} = \frac{4-R}{2R}$

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General Knowledge QUESTION #8658

Question 4

In which year was natural gas discovered at the Sui gas field in Balochistan?

1950
1952✔️
1954
1958

Correct Answer Logic:

Sui gas was discovered in 1952.

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Mathematics QUESTION #974

Question 5

Suppose that the number of terms in an A.P. is $2k,\ k\in\mathbb{N}$. If the sum of all odd terms of the A.P. is 40, the sum of all even terms is 55, and the last term exceeds the first term by 27, then $k$ is equal to:

6
5✔️
8
4

Correct Answer Logic:

Let first term $=a$, common difference $=d$, number of terms $=2k$. Sum of odd-positioned terms $=k\left(a+\frac{(2k-1)d}{2}\cdot\text{...}\right)=40$, even terms $=55$. Difference: $kd=15$. Last $-$ first $=(2k-1)d=27$. From $kd=15$ and $(2k-1)d=27$: dividing gives $2k-1=\frac{27k}{15} \Rightarrow k=5$.

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3047

Question 6

'Physical Incompatibility' is often visible as:

Precipitation or liquefaction✔️
A change in chemical structure
Increased pharmacological effect
Development of a new smell

Correct Answer Logic:

Physical incompatibilities involve changes in solubility, state, or appearance.

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Medicinal Chemistry and Biopharmaceutics QUESTION #3819

Question 7

A patient is prescribed Lugol's Solution ($5\%$ iodine) $0.3$ mL three times daily. What is the total daily iodine dose?

$15$ mg
$30$ mg
$45$ mg✔️
$90$ mg

Correct Answer Logic:

$5\%$ iodine $= 5\ \text{g}/100\ \text{mL} = 50\ \text{mg/mL}$. Each dose $= 0.3 \times 50 = 15\ \text{mg}$. Three doses $= 15 \times 3 = 45\ \text{mg}$ per day.

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Math Physics Chemistry Biology QUESTION #4279

Question 8

Hippocampus plays an important role in the:

Formation of short-term memory
Formation of image on retina
Formation of long-term memory✔️
Formation of emotions

Correct Answer Logic:

The hippocampus, located in the limbic system, is crucial for consolidating short-term memory into long-term memory and spatial navigation.

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Accounting & Finance QUESTION #1228

Question 9

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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Pakistan Affairs QUESTION #9048

Question 10

The major source of electrical energy in Pakistan is:

Thermal Power (fossil fuels)✔️
Hydroelectricity
Nuclear Power
Solar Energy

Correct Answer Logic:

Thermal (oil, gas, coal) is the largest source.

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Chemistry QUESTION #7162

Question 11

Which of the following chemical equations is correctly balanced and shows the right products?

$[Mg(H_{2}O)_{6}]^{2+} + (EDTA)^{4-} \rightarrow [Mg(EDTA)]^{2-} + 6H_{2}O$✔️
$CuSO_{4} + 4KCN \rightarrow K_{2}[Cu(CN)_{4}] + K_{2}SO_{4}$
$Li_{2}O + 2KCl \rightarrow 2LiCl + K_{2}O$
$CO + 2H_{2} \xrightarrow{catalyst} CH_{3}OH$

Correct Answer Logic:

Option 1 is the correct representation of a complexometric reaction where the polydentate ligand EDTA replaces the water molecules coordinated to Magnesium. Note that the charge on the resulting complex is correctly balanced as $2 + (-4) = -2$.

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General Abilities QUESTION #7653

Question 12

If the sum and product of the roots of a quadratic equation are 55 and 66 respectively, which of the following represents the correct quadratic equation?

$x^2 - 55x + 66 = 0$✔️
$x^2 + 55x - 66 = 0$
$x^2 - 55x - 66 = 0$
None of these

Correct Answer Logic:

For a quadratic equation $x^2 - Sx + P = 0$, where S is the sum of roots and P is the product of roots. Given: sum = 55 and product = 66. Therefore, the equation is $x^2 - 55x + 66 = 0$. This follows from Vieta's formulas.

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General Abilities QUESTION #2842

Question 13

What is the difference between Compound Interest and Simple Interest on Rs. 10,000 at $5\%$ per annum for 2 years?

Rs. 20
Rs. 25✔️
Rs. 30
Rs. 50

Correct Answer Logic:

SI $= \dfrac{10000 \times 5 \times 2}{100} = 1000$. CI: Amount $= 10000 \times (1.05)^2 = 10000 \times 1.1025 = 11025$. CI $= 1025$. Difference $= 1025 - 1000 = Rs.\ 25$.

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General Knowledge QUESTION #8783

Question 14

Which is the world's oldest parliament (still functioning)?

US Congress
Japan Diet
Iceland Althing✔️
UK Parliament

Correct Answer Logic:

The Althing of Iceland was founded in 930 AD.

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Accounting & Finance QUESTION #9628

Question 15

In the LIFO method of stock valuation compared to FIFO, which of the following is correct during a period of rising prices?

LIFO produces a higher closing stock value and lower cost of sales
LIFO produces a lower gross profit and a lower closing stock value than FIFO✔️
LIFO produces the same gross profit as FIFO because total cost is the same
LIFO and FIFO only differ in the treatment of opening stock

Correct Answer Logic:

Under rising prices, LIFO assigns the most recent (higher) costs to cost of sales, resulting in a higher COGS and thus lower gross profit. Conversely, the older (lower) costs remain in closing stock, giving a lower closing stock value. FIFO does the opposite: lower costs to COGS, higher gross profit, and higher closing stock.

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Chemistry QUESTION #5552

Question 16

According to Molecular Orbital Theory, which of the following species will NOT be a stable molecule?

$H_2^-$
$H_2^{2-}$✔️
$He_2^{2+}$
$He_2^+$

Correct Answer Logic:

Bond order for $H_2^{2-}$: 2 bonding + 2 antibonding electrons = BO = 0 → unstable. $H_2^-$: BO = 0.5 (stable). $He_2^{2+}$: 2 bonding, 0 antibonding electrons: BO = 1 (stable). $He_2^+$: BO = 0.5 (stable). Therefore $H_2^{2-}$ with BO = 0 is not a viable molecule.

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English QUESTION #488

Question 17

He proved that if only germs were excluded of wounds, inflammation was averted.

that if✔️
germs were
excluded of wounds
inflammation was

Correct Answer Logic:

Error: 'that if' should be restructured

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3467

Question 18

'Maltose' is a disaccharide commonly known as:

Table sugar
Milk sugar
Malt sugar✔️
Fruit sugar

Correct Answer Logic:

It consists of two glucose molecules.

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Chemistry QUESTION #4341

Question 19

Pick the crystalline solid:

Cement
Ceramics
Concrete
Copper✔️

Correct Answer Logic:

Copper is a crystalline solid with a face-centered cubic (FCC) lattice structure. Cement, ceramics, and concrete are amorphous or mixed solids.

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Reading and Writing (Module-1) QUESTION #5355

Question 20

Bosco Verticale, a residential complex in Milan featuring towers covered in plants, has been a symbol of green architecture since 2014. Architect Stefano Boeri designed it to promote urban biodiversity. However, critics are cautious; they point out that even though the trees were specially grown for this project, it is still uncertain if they will be able to survive in such an atypical environment. According to the text, why are some critics skeptical of the concept behind Bosco Verticale?

Some essential aspects of Bosco Verticale's design are difficult to adapt to locations other than Milan.
The plant life on Bosco Verticale ended up being less varied than Boeri had envisioned it would be.
The construction of Bosco Verticale was no less environmentally damaging than the construction of more conventional buildings is.
It is unclear whether Bosco Verticale can support the plant life included in its design.✔️

Correct Answer Logic:

The text states that critics aren't sure if the trees can 'thrive in this unusual setting,' which matches option D.

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