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General Knowledge QUESTION #8275

Question 661

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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Chemistry QUESTION #7372

Question 662

A magnetic moment of 2.83 BM is exhibited by which of the following ions? (At. nos: Ti = 22, Cr = 24, Mn = 25, Ni = 28)

$\text{Ti}^{3+}$
$\text{Ni}^{2+}$✔️
$\text{Cr}^{3+}$
$\text{Mn}^{2+}$

Correct Answer Logic:

Formula: $\mu = \sqrt{n(n+2)}$ BM, where $n$ = number of unpaired electrons.

For $\mu = 2.83$ BM: $2.83 = \sqrt{n(n+2)}$ → $n = 2$

Checking $\text{Ni}^{2+}$: Ni (Z=28) = [Ar] 3d⁸ 4s². $\text{Ni}^{2+}$ = [Ar] 3d⁸ → 2 unpaired electrons → $\mu = \sqrt{2 \times 4} = \sqrt{8} \approx 2.83$ BM ✓

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Paper-II (Pharmacology and Social Behaviour, Law & Ethics and Computer Sciences) QUESTION #5787

Question 663

When Federal and State laws regarding pharmacy practice conflict, the pharmacist must:

Follow Federal only
Follow State only
Follow the most restrictive✔️
Follow the least restrictive

Correct Answer Logic:

In legal conflicts, the more restrictive law must be followed[cite: 7].

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Pakistan Affairs QUESTION #9035

Question 664

Pakistan has recently been granted observer status in which international organization?

Gulf Cooperation Council (GCC)
Shanghai Cooperation Organization (SCO)✔️
Organization for Economic Cooperation and Development (OECD)
None of the above

Correct Answer Logic:

Pakistan became an SCO observer in 2005 and later a full member in 2017.

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Social Studies QUESTION #10076

Question 665

Which of the following describes the process by which new ideas and technologies spread across a population?

Acculturation
Evolution
Diffusion✔️
None of these

Correct Answer Logic:

Diffusion refers to the spread of ideas, practices, or technologies from one group or place to another.

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Psychology QUESTION #9749

Question 666

In an experiment, the group that receives no treatment is referred to as the:

Control group✔️
Experimental group
No group
Placebo group

Correct Answer Logic:

The control group is the baseline group that receives no treatment. It is compared against the experimental group to isolate the effect of the independent variable. Without a control group, results cannot be attributed solely to the treatment.

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Math Physics Chemistry Biology QUESTION #11322

Question 667

Which of the following is a sex-influenced gene?

A
B✔️
C
D

Correct Answer Logic:

Gene B is an example of a sex-influenced gene.

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Mathematics QUESTION #7447

Question 668

If the 2nd, 5th and 9th terms of a non-constant A.P. are in G.P., then the common ratio of this G.P. is:

$\frac{4}{3}$✔️
1
$\frac{7}{4}$
$\frac{8}{5}$

Correct Answer Logic:

Let the A.P. be $a, a+d, a+2d, \ldots$ The 2nd term is $a+d$, 5th term is $a+4d$, and 9th term is $a+8d$. For these to be in G.P.: $(a+4d)^2 = (a+d)(a+8d)$. Expanding: $a^2 + 8ad + 16d^2 = a^2 + 9ad + 8d^2$, which simplifies to $8d^2 = ad$. Since the A.P. is non-constant, $d \neq 0$, so $a = 8d$. The three terms become $9d, 12d, 16d$. Common ratio = $\frac{12d}{9d} = \frac{4}{3}$.

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Education QUESTION #11635

Question 669

Systematic, progressive change in mental processes that supports all learning and performance across development is referred to as:

Moral development
Cognitive development✔️
Social-emotional development
None of these

Correct Answer Logic:

Cognitive development refers to the systematic growth and change in thinking, reasoning, memory, and problem-solving abilities across the lifespan. Jean Piaget is its most prominent theorist. It is distinct from moral development (values and ethical reasoning) and social-emotional development (interpersonal skills and emotional regulation).

Correct Answer: B — Cognitive development.

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Accounting & Finance QUESTION #9633

Question 670

An asset purchased for Rs. 150,000 with an estimated life of 10 years is depreciated on the straight-line method. After Year 2, it is classified as 'Written Down Value'. What is the Written Down Value at the end of Year 2, and what is the annual depreciation charge?

WDV = Rs. 130,000; Annual depreciation = Rs. 15,000
WDV = Rs. 120,000; Annual depreciation = Rs. 15,000✔️
WDV = Rs. 135,000; Annual depreciation = Rs. 7,500
WDV = Rs. 120,000; Annual depreciation = Rs. 30,000

Correct Answer Logic:

Annual depreciation (SLM) = Cost ÷ Estimated life = 150,000 ÷ 10 = Rs. 15,000. Accumulated depreciation after Year 2 = 15,000 × 2 = Rs. 30,000. Written Down Value = Cost – Accumulated Depreciation = 150,000 – 30,000 = Rs. 120,000.

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General Knowledge QUESTION #4721

Question 671

What is the official currency of China?

Rouble
Yen
Yuan (Renminbi)✔️
Won

Correct Answer Logic:

The official currency of China is the Renminbi (RMB), with the base unit called the Yuan. The Rouble is Russian, Yen is Japanese, and Won is Korean.

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Maths QUESTION #7943

Question 672

Express $\dfrac{7}{8}$ as a percentage:

67½%
31%
97½%
87½%✔️

Correct Answer Logic:

$\dfrac{7}{8} \times 100 = \dfrac{700}{8} = 87.5\% = 87\tfrac{1}{2}\%$

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Geography QUESTION #6309

Question 673

In diffusion of innovation theory, which adopter category represents the critical mass for widespread acceptance?

Innovators (2.5%)
Early Adopters (13.5%)
Early Majority (34%)✔️
Late Majority (34%)

Correct Answer Logic:

The Early Majority (34%) represents the critical mass or 'tipping point' in Rogers' diffusion model. Once this pragmatic group adopts an innovation, widespread acceptance becomes inevitable. They adopt just before the average member of society.

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Administration QUESTION #2939

Question 674

What is the fundamental purpose of a "Balance Sheet" in financial accounting?

Recording the total revenue and expenses over a specific period
Showing a company's financial position (assets/liabilities) at a specific point in time✔️
Tracking the daily cash inflows and outflows of the business
None of these

Correct Answer Logic:

A balance sheet provides a snapshot of what a company owns (assets) and owes (liabilities) on a particular date.

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Biology Zoology Botany QUESTION #10793

Question 675

Continental drift theory proposed that all continents were once a single supercontinent called:

Pangaea✔️
Laurasia
Gondwanaland
Madagascar

Correct Answer Logic:

Pangaea (Greek: 'all Earth') was the supercontinent proposed by Alfred Wegener (1912) that contained all of Earth's landmasses approximately 300–200 million years ago. Pangaea began breaking apart during the Triassic/Jurassic, first splitting into Laurasia (northern: North America, Europe, Asia) and Gondwanaland (southern: South America, Africa, Antarctica, Australia, India). The process drove the evolution of distinct regional flora and fauna.

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Contracts QUESTION #5845

Question 676

A Buyer orally agrees to purchase a used car for $5,000. The Buyer pays a $500 deposit, which the Seller accepts. Is the contract enforceable?

No, because the total price is over $500 and there is no signed writing.
Yes, but only for $500 worth of the car.
Yes, the entire contract is enforceable because partial payment was accepted.✔️
No, unless the car is a 'unique' good.

Correct Answer Logic:

Under UCC §2-201(3)(c), a contract is enforceable with respect to goods for which payment has been made and accepted.

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Statistics QUESTION #1983

Question 677

In a two-way ANOVA with interaction (subjects $\times$ students, with replication), if $SS_{Total} = SS_{Rows} + SS_{Cols} + SS_{Interaction} + SS_{Error}$, the degrees of freedom for the interaction term when there are $r$ rows, $c$ columns, and $n$ replications per cell is:

rc - 1
(r-1)(c-1)✔️
rc(n-1)
rcn - 1

Correct Answer Logic:

In a two-way ANOVA with $r$ row levels, $c$ column levels, and $n$ replications per cell, the degrees of freedom for interaction is $(r-1)(c-1)$. The error df is $rc(n-1)$ and total df is $rcn - 1$.

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Pakistan Affairs QUESTION #601

Question 678

Rohtas Fort, located in Jhelum was built by:

Zaheer ud Din Babur
Mohammad Tughlaq
Sher Shah Suri✔️
None of These

Correct Answer Logic:

Sher Shah Suri constructed this fortress in the 16th century.

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Accounting & Finance QUESTION #6075

Question 679

What is the main objective of maintaining a sales ledger control account?

To guarantee that customer statements are dispatched on time
To keep a record of the total discounts received by the business
To minimize the potential for irrecoverable debts
To check the mathematical correctness of the individual accounts in the sales ledger✔️

Correct Answer Logic:

A control account acts as an independent check on the arithmetical accuracy of the subsidiary ledger. It verifies that the total of individual customer balances matches the total recorded in the general ledger.

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Physics QUESTION #7084

Question 680

If velocity ($V$), acceleration ($A$), and force ($F$) are the fundamental units, find the dimensions of Young's modulus.

$V^{-2}A^{2}F^{-2}$
$V^{-2}A^{2}F^{2}$
$V^{-4}A^{-2}F$
$V^{-4}A^{2}F$✔️

Correct Answer Logic:

Young's Modulus $[Y] = [ML^{-1}T^{-2}]$.

Force $[F] = [MLT^{-2}] \implies M = F L^{-1} T^2$
Velocity $[V] = [LT^{-1}]$ and Acceleration $[A] = [LT^{-2}]$
Solving for $L$ and $T$: $T = V/A$ and $L = V^2/A$.
Substituting these into the formula for $Y$ yields $V^{-4}A^2F$.

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