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Chemistry QUESTION #7360

Which of the following statements is INCORRECT about the Bohr atomic model?

It establishes the stability of the atom
It is contradicted by the Heisenberg uncertainty principle✔️
It explains the origin of spectral lines
Electrons behave as both particle and wave

Correct Answer Logic:

Bohr's model limitations:
Option (2) is the wrong statement about a fault — it is actually a correct criticism. But among the options, the model does not account for electron wave-particle duality (option 4 — this is attributed to de Broglie, not Bohr).

Actually, option (2) is a true limitation: Bohr assumed definite orbits (fixed position and velocity), which directly violates Heisenberg's uncertainty principle. The correct answer marked is (2) as the false premise Bohr made. Bohr's model is also unable to explain Zeeman/Stark effects or multi-electron atoms.

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Urdu QUESTION #4467

Question 662

چراغ پا ہونا محاورہ ہے اس کا مفہوم کیا ہے؟ (What is the meaning of the idiom 'Charagh pa hona'?)

غصے کی کیفیت✔️
روشنی بکھیرنا
خوشیاں بانٹنا
کھڑا رہنا

Correct Answer Logic:

'Charagh pa hona' is an idiom meaning to become extremely angry or enraged.

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Geography QUESTION #1245

Question 663

The point in the sky directly over the observer is called:

Horizon
Zenith✔️
Aphelion
None of these

Correct Answer Logic:

The zenith is the point in the celestial sphere directly above an observer — the point at exactly 90° from all points on the observer's horizon. The horizon is the line where the sky meets the Earth. Aphelion is the point in Earth's orbit farthest from the Sun. The zenith is used as a reference point in astronomy and navigation.

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General Knowledge QUESTION #4718

Question 664

Reuters news agency belongs to which country?

USA
Germany
UK✔️
France

Correct Answer Logic:

Reuters is a British multinational news agency founded in 1851 by Paul Julius Reuter, headquartered in London, United Kingdom.

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Tourism & Hospitality Management QUESTION #1598

Question 665

Which of the following statements about the CPEC (China-Pakistan Economic Corridor) is correctly identified in the Pakistan Tourist Destinations course as a benefit to tourism?

CPEC is expected to damage Pakistan's natural tourist sites through industrialization
CPEC infrastructure development (roads, energy, connectivity) is expected to enhance tourism accessibility and create new investment opportunities in Pakistan's tourist destinations✔️
CPEC has no relevance to tourism development in Pakistan
CPEC focuses exclusively on industrial development with no tourism component

Correct Answer Logic:

The Pakistan Tourist Destinations course lists 'CPEC and benefits to Tourism Industry' under the Neotourism module, recognizing that CPEC's infrastructure development — improved roads, connectivity, and economic investment — creates new opportunities for tourism accessibility, accommodation investment, and regional destination development in Pakistan.

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English QUESTION #8394

Question 666

Fill in the blank: I am so _______ with my class that I want to quit.

Bored✔️
Bore
Bores
Boring

Correct Answer Logic:

'Bored with' means feeling weary or uninterested.

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Accounting & Finance QUESTION #9651

Question 667

In an Independent Branch reconciliation, which of the following is a reason for the difference between the Head Office Account balance in branch books and the Branch Account balance in HO books?

Different depreciation rates applied
Goods in transit from HO to branch✔️
Different accounting policies
Year-end accruals at the branch

Correct Answer Logic:

The two balances may differ due to: (1) cash in transit, (2) goods in transit, and (3) mistakes committed by either party. Goods dispatched by HO but not yet received at branch create a timing difference, causing a temporary mismatch in both parties' books.

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General Abilities QUESTION #4589

Question 668

Two numbers are in ratio $7:9$. If their sum is $64$, what is the larger number?

$28$
$36$✔️
$32$
$56$

Correct Answer Logic:

Total parts = $7+9=16$. Larger = $\frac{9}{16} \times 64 = 36$

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Boilers Mechanical Engineering QUESTION #3992

Question 669

The 'Bourdon Tube' is the most common component found in a:

Water Level Gauge
Pressure Gauge✔️
Steam Trap
Blow-off Cock

Correct Answer Logic:

The tube straightens under pressure, moving the needle on the gauge dial.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3462

Question 670

'Transcription' produces which molecule?

DNA
RNA✔️
Protein
Lipid

Correct Answer Logic:

A single strand of mRNA is synthesized from the DNA template.

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Islamic Studies QUESTION #329

Question 671

"Do not raise your voice above the voice of the Prophet (ﷺ)." This order is in:

Al-Ahzab
Al-Maidah
Al-Hujurat✔️
Al-Najm

Correct Answer Logic:

This etiquette is commanded in the opening verses of Surah Al-Hujurat.

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Dairy Food Science and Technology QUESTION #5921

Question 672

The process of 'tempering' milk before cheese making refers to:

Adding rennet to cold milk to delay coagulation
Adjusting the temperature of pasteurized milk to the optimal coagulation temperature ($30\text{–}32^{\circ}\text{C}$ for most cheeses)✔️
Standardizing the fat content to the desired level
Adding calcium chloride to improve rennet coagulation

Correct Answer Logic:

After pasteurization and cooling, milk must be tempered (warmed) to the coagulation temperature, typically $28\text{–}35^{\circ}\text{C}$ depending on cheese variety. $\text{CaCl}_2$ ($0.01\text{–}0.02\%$) is also commonly added to restore calcium ions lost during pasteurization and improve gel firmness.

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General Knowledge QUESTION #8975

Question 673

Dynamite was discovered by which scientist?

Daimler
Alfred Nobel✔️
Sigmund Freud
Harry Mosely

Correct Answer Logic:

Alfred Nobel invented dynamite.

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Math Physics Chemistry Biology QUESTION #4272

Question 674

Nissl's granule is a specialized structure in a neuron formed by modification of:

Golgi bodies & Smooth ER
Peroxisome & Mitochondria
Lysosome & Vacuole
Ribosome & Rough ER✔️

Correct Answer Logic:

Nissl granules are found in neurons and are formed from rough endoplasmic reticulum (RER) and ribosomes. They are involved in active protein synthesis.

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English QUESTION #2702

Question 675

What do we call: 'A place where birds are kept'?

Apiary
Aviary✔️
Zoo
Aquarium

Correct Answer Logic:

An 'aviary' is for birds; an 'apiary' is for bees.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3213

Question 676

'Growth Hormone' (GH) is secreted by the:

Posterior Pituitary
Anterior Pituitary✔️
Thyroid Gland
Adrenal Medulla

Correct Answer Logic:

The anterior pituitary (adenohypophysis) produces GH, TSH, ACTH, etc.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3211

Question 677

'Negative Feedback' mechanism is used by the body to:

Increase a stimulus continuously
Oppose a change and restore balance✔️
Store fat
Produce sound

Correct Answer Logic:

Most hormones are regulated by negative feedback to maintain homeostasis.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3506

Question 678

'Castor Oil' is obtained from the seeds of 'Ricinus communis'. It is used as a:

Potent Purgative✔️
Skin moisturizer only
Cooking oil
Flavoring agent

Correct Answer Logic:

Castor oil is a stimulant laxative.

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Civil Engineering QUESTION #6584

Question 679

Boussinesq's theory of stress distribution in soils is applicable when:

Stress in soil is proportional to strain (elastic behaviour)✔️
Stress is independent of strain
Stress is inversely proportional to strain
Stress is proportional to the square of strain

Correct Answer Logic:

Boussinesq's solution assumes the soil mass is a homogeneous, isotropic, linearly elastic semi-infinite half-space, meaning stress is proportional to strain (Hooke's Law applies).

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Law QUESTION #9533

Question 680

A suit for recovery is decreed in A's favour. B appeals to the District Court. The District Court dismisses the appeal. B files a second appeal to the High Court. The High Court does not formulate a substantial question of law at the time of admission. Judgment is delivered by the High Court in the second appeal. B argues that failure to formulate the substantial question of law at admission is a fatal procedural defect. Is this argument correct?

No; formulation of the substantial question of law is optional
Yes; under Section 100 CPC, the High Court is required to formulate the substantial question of law at the time of admitting the second appeal, and the appeal must be heard on that question; failure to do so is a jurisdictional error that can vitiate the High Court's judgment✔️
Yes; but it only affects the costs of the appeal
No; the High Court can formulate the question at any stage including during judgment

Correct Answer Logic:

Section 100 CPC mandates that the High Court shall formulate the substantial question of law before admitting a second appeal, and the appeal is to be heard on the question so formulated. This is a mandatory procedural safeguard. Failure to formulate the question at admission and then deciding on a question not formulated is a procedural irregularity that can be challenged.

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