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An excited utterance is a statement relating to a startling event or condition, made while the declarant was under the stress of excitement that it caused. It is a valid exception to the hearsay rule.

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Urdu QUESTION #5217

Question 4206

خوشی کے موقع پر جو حروف استعمال ہوتے ہیں انہیں کیا کہا جاتا ہے؟

حروفِ دکھ
حروفِ تاسف
حروفِ جار
حروفِ انبساط✔️

Correct Answer Logic:

خوشی اور مسرت کے اظہار کے لیے جو حروف استعمال ہوتے ہیں انہیں حروفِ انبساط کہتے ہیں۔

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Dairy Food Science and Technology QUESTION #5966

Question 4207

Which test is performed to detect coliform bacteria in milk as an indicator of post-pasteurization contamination?

Total Plate Count (TPC)
Most Probable Number (MPN) or Petrifilm coliform count✔️
Reductase Test (MBRT)
Phosphatase Test

Correct Answer Logic:

Coliform bacteria ($E.\;coli$, $Klebsiella$, $Enterobacter$) should be absent or very low in properly pasteurized milk. Detection uses the MPN method (lauryl sulfate tryptose broth with gas production) or direct plating on selective media (VRBA, Petrifilm CC). Coliforms in pasteurized milk indicate post-pasteurization contamination.

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Psychology QUESTION #5585

Question 4208

Consider the following table showing values of x and y:

x	y
1	2
2	4
3	6

What is the relationship between x and y?

$y = x$
$y = 2x$✔️
$y = x^2$
$y = x + 2$

Correct Answer Logic:

From the table, each value of y is exactly twice x, so the relationship is $y = 2x$.

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General Knowledge QUESTION #172

Question 4209

The British constitution can be amended through a _______ majority.

Two-Third
Three-Fourth
One-Two
None of these✔️

Correct Answer Logic:

The UK has an uncodified constitution; it can be amended by a simple majority in Parliament.

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Tourism & Hospitality Management QUESTION #1638

Question 4210

According to the Travel & Tour Operations course, which of the following correctly describes the THREE phases of tour operations as a business process?

Planning, Marketing, and Evaluation
Pre-tour operation (planning, packaging, and marketing), Tour execution (on-ground management and delivery), and Post-tour phase (evaluation, feedback, and follow-up)✔️
Costing, Pricing, and Selling
Booking, Departure, and Return

Correct Answer Logic:

The Travel & Tour Operations course (Module overview) explicitly identifies three major functions of tour operations: (1) Pre-tour operation — covering planning, supplier contracting, packaging, costing, and marketing; (2) Tour execution — the on-ground delivery of the tour; and (3) Post-tour phase — covering evaluation, customer feedback, complaint handling, and future planning.

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Statistics QUESTION #1994

Question 4211

If sampling is done with replacement from a population with mean $\mu = 4$ and variance $\sigma^2 = \frac{20}{9}$, then by Chebyshev's theorem, the probability that the sample mean $\bar{X}$ (for $n = 36$) lies between 3.26 and 4.74 is AT LEAST:

$0.75$✔️
$0.95$
$0.50$
$0.68$

Correct Answer Logic:

Here $\sigma_{\bar{X}}^2 = \sigma^2/n = (20/9)/36 = 20/324$, so $\sigma_{\bar{X}} = \sqrt{20}/18$. The interval $(3.26, 4.74)$ is $\mu \pm 0.74$. Then $k = 0.74/\sigma_{\bar{X}}$. Chebyshev gives $P(|\bar{X}-\mu|\leq k\sigma_{\bar{X}}) \geq 1 - 1/k^2$. With $k^2 = 4$, the lower bound is $1 - 1/4 = 0.75$.

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General Knowledge QUESTION #2622

Question 4212

Which of the following CORRECTLY describes the difference between HDMI and DVI cables?

HDMI outputs only video while DVI outputs both video and audio
HDMI outputs both video and audio while DVI generally outputs video only✔️
Both HDMI and DVI output only video without any audio
Both HDMI and DVI output both audio and video identically

Correct Answer Logic:

HDMI (High Definition Multimedia Interface) outputs BOTH video and audio through a single cable. DVI (Digital Visual Interface) cables generally output VIDEO ONLY. This makes HDMI more practical for connecting computers to monitors and TVs with speakers.

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Biology QUESTION #4304

Question 4213

Once an action potential reaches the membrane of a skeletal muscle fiber, what is the first event in the contraction process?

Actin and myosin form a cross-bridge
Calcium is pumped back into the sarcoplasmic reticulum
Calcium is released from the sarcoplasmic reticulum✔️
ATP is hydrolyzed by troponin

Correct Answer Logic:

When an action potential arrives, it triggers the sarcoplasmic reticulum to release $Ca^{2+}$ ions, which bind to troponin, moving tropomyosin and allowing cross-bridge formation.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3541

Question 4214

'Colchicum' is a drug used primarily to treat:

Gout✔️
Asthma
Heartburn
Skin rash

Correct Answer Logic:

Colchicine is used for acute gout attacks.

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3055

Question 4215

The abbreviation 'o.u.' (oculus uterque) means:

Both eyes✔️
Left ear
Each hour
Once daily

Correct Answer Logic:

'o.u.' stands for both eyes.

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Chemistry QUESTION #1073

Question 4216

Which of the following aqueous solutions will exhibit the highest boiling point?

$0.01\text{M}\ \text{Na}_2\text{SO}_4$✔️
$0.015\text{M}\ \text{C}_6\text{H}_{12}\text{O}_6$
$0.01\text{M}\ \text{Urea}$
$0.01\text{M}\ \text{KNO}_3$

Correct Answer Logic:

Boiling point elevation $\propto i \times m$ (van't Hoff factor $\times$ molality). Na$_2$SO$_4$: $i=3$, effective molality $=0.03$. Glucose: $i=1$, $=0.015$. Urea: $i=1$, $=0.01$. KNO$_3$: $i=2$, $=0.02$. Highest: $0.01\text{M}\ \text{Na}_2\text{SO}_4$ with effective particles $=0.03$.

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Tourism & Hospitality Management QUESTION #1626

Question 4217

According to the Heritage Management course, the 'Operational Guidelines of the UNESCO World Heritage Committee' are referenced primarily in relation to which aspect of heritage management?

The architectural design standards for new hotel construction near heritage sites
The international norms, criteria, and management requirements for inscribing and maintaining World Heritage Sites, including Outstanding Universal Value assessment✔️
Hotel classification standards near world heritage sites
The marketing budget allocation for heritage tourism destinations

Correct Answer Logic:

The Heritage Management course lists the 'Operational Guidelines of the UNESCO World Heritage Committee' as a key recommended reading and covers it in the context of Cultural Heritage Planning and Development (Module 5) and Heritage Tourism (Module 4) — specifically the criteria for Outstanding Universal Value, nomination processes, and ongoing management obligations for inscribed sites.

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Chemistry QUESTION #5546

Question 4218

Which of the following substances exists as a covalent crystal (network solid) in the solid state?

Iodine
Silicon✔️
Sulphur
Phosphorus

Correct Answer Logic:

Silicon forms a giant covalent (network) crystal similar to diamond, where each Si atom is covalently bonded to four others in a tetrahedral arrangement extending throughout the crystal. This gives it a very high melting point. Iodine forms molecular crystals, sulphur and phosphorus also form molecular crystals.

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English QUESTION #2774

Question 4219

Which ONE WORD means: 'A doctor who treats diseases of the mind'?

Physician
Cardiologist
Neurologist
Psychiatrist✔️

Correct Answer Logic:

A 'Psychiatrist' is a medical doctor who specializes in the diagnosis and treatment of mental disorders. A Physician is a general doctor; Cardiologist treats heart diseases; Neurologist treats nervous system disorders.

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Electrical Engineering QUESTION #2184

Question 4220

A causal LTI system has impulse response $h[n] = (0.5)^n u[n]$ and is excited by a unit step $x[n] = u[n]$. The steady-state output value is:

$2$✔️
$1$
$0.5$
$\infty$

Correct Answer Logic:

DC gain $H(e^{j0}) = \sum_{n=0}^{\infty}(0.5)^n = \frac{1}{1-0.5} = 2$. For a unit step (DC magnitude $= 1$), steady-state output $= 2\times1 = 2$.

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