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Physics QUESTION #1180

The ratio between the angular momentum and orbital magnetic moment vector of the first orbital electron of hydrogen atom is known as:

Total Magnetic Moment
Bohr Magneton✔️
Magnetic Moment
None of these

Correct Answer Logic:

The ratio of the orbital magnetic moment to the orbital angular momentum is the gyromagnetic ratio: $\frac{\mu_L}{L} = \frac{e}{2m_e}$. The quantum of magnetic moment defined this way is the Bohr magneton: $\mu_B = \frac{e\hbar}{2m_e} = 9.274 \times 10^{-24}\ \text{J/T}$. It is the natural unit of atomic magnetic dipole moments.

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Physics QUESTION #7017

Question 2

A mass of $10\text{ kg}$ is suspended vertically by a rope. A horizontal force is applied to the rope at a specific point, causing the rope at the ceiling to deviate by an angle of $45^\circ$. If the system is in equilibrium, what is the magnitude of the horizontal force? (Assume $g = 10\text{ ms}^{-2}$)

$200\text{ N}$
$140\text{ N}$
$70\text{ N}$
$100\text{ N}$✔️

Correct Answer Logic:

At equilibrium, the horizontal component of the tension $T \sin(45^\circ)$ equals the applied force $F$, and the vertical component $T \cos(45^\circ)$ equals the weight $mg$. Dividing the two equations gives $F = mg \tan(45^\circ)$. Since $\tan(45^\circ) = 1$ and $mg = 10 \times 10 = 100$, the force $F = 100\text{ N}$.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3251

Question 3

The 'Pleural Cavity' is a fluid-filled space that:

Protects the heart
Protects the lungs and reduces friction during breathing✔️
Contains the stomach
Stores air

Correct Answer Logic:

The pleura allow the lungs to slide smoothly against the chest wall.

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Administration QUESTION #2941

Question 4

In marketing, the process of "Market Segmentation" involves:

Selling the exact same product to every possible customer
Dividing a broad market into distinct groups based on shared characteristics✔️
Increasing the total price of products to maximize profit margins
None of these

Correct Answer Logic:

Segmentation allows businesses to target specific groups (demographic, geographic, etc.) with tailored marketing strategies.

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The Elections Act 2017 QUESTION #9450

Question 5

Section 97(6) applies when equality of votes exists among more than two contesting candidates. The Commission must issue a fresh Election Programme with a polling date not later than how many days from the date of consolidation?

Forty-five days
Thirty days
Sixty days✔️
Ninety days

Correct Answer Logic:

Section 97(6) states: 'the Commission shall issue fresh Election Programme for the constituency and determine the date of polling day which shall not be later than sixty days from the date of consolidation of results of the constituency.'

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Egnlish QUESTION #694

Question 6

The "Wessex" novels were written by:

Charles Dickens
Thomas Hardy✔️
George Eliot
None of these

Correct Answer Logic:

Thomas Hardy set most of his major novels in the semi-fictional region of Wessex.

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Civil Engineering QUESTION #6616

Question 7

What is the primary reason for using a 'moment connection' instead of a 'shear connection' in a steel frame?

To reduce the cost of fabrication
To allow for easier thermal expansion
To provide lateral stability and resistance to wind/seismic loads✔️
To ensure the beam behaves as a simply supported member

Correct Answer Logic:

Moment connections (Rigid connections) transfer both shear and bending moments, allowing the frame to act as a rigid system that resists lateral forces through frame action (portal effect).

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Chemistry QUESTION #5551

Question 8

What is the total number of lone pairs of electrons in the $I_3^-$ ion?

9✔️
12
3
6

Correct Answer Logic:

In $I_3^-$: Central iodine has 3 lone pairs, each terminal iodine has 3 lone pairs each. Total lone pairs = 3 (central I) + 3 (terminal I) + 3 (terminal I) = 9 lone pairs. The structure is linear with the central I having 2 bond pairs and 3 lone pairs ($sp^3d$ hybridization).

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #2994

Question 9

The primary difference between a Syrup and an Elixir is:

Syrups are always alcoholic
Elixirs are less sweet and less viscous than syrups✔️
Syrups contain no water
Elixirs are only for external use

Correct Answer Logic:

Elixirs contain alcohol for solubility and are typically less viscous than sucrose-heavy syrups.

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Math Physics Chemistry Biology QUESTION #4326

Question 10

Which type of joint is present in the pubis?

Fibrous joints
Immoveable joints
Cartilaginous joints✔️
Freely moveable joints

Correct Answer Logic:

The pubic symphysis is a cartilaginous joint (symphysis) held together by fibrocartilage, allowing slight movement during childbirth and normal activities.

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Chemistry QUESTION #7810

Question 11

Acetic acid can be prepared by hydrolysis of:

Ethanol
Ethene
Methanoic acid
Methyl cyanide✔️

Correct Answer Logic:

Hydrolysis of methyl cyanide (acetonitrile, CH₃CN) yields acetic acid: $\mathrm{CH_3CN + 2H_2O \rightarrow CH_3COOH + NH_3}$.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3352

Question 12

'Zoonotic' diseases are those that:

Are found only in zoos
Are transmitted from animals to humans✔️
Are caused by plants
Are not infectious

Correct Answer Logic:

Rabies and Anthrax are common zoonotic diseases.

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English QUESTION #8529

Question 13

The synonym of 'Exemplify' is:

Over
Illustrate✔️
Answer
Summary

Correct Answer Logic:

Exemplify means to illustrate by example.

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Disaster Management QUESTION #6560

Question 14

Which principle should guide the design of climate-smart agricultural practices for disaster-affected communities?

Maximum yield
Integration of climate resilience, market viability, environmental sustainability, and adaptation to local agro-ecological conditions✔️
Traditional methods
Modern technology

Correct Answer Logic:

Section 10.2 promotes climate-smart agriculture as part of resilient livelihoods. Effective climate-smart agriculture must balance multiple objectives: resilience to climate variability, economic viability, environmental sustainability, and appropriateness to local conditions and farmer capacities.

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Therapeutics and Patient Care QUESTION #3902

Question 15

Which of the following antimicrobial agents is NOT absorbed into the systemic circulation following oral administration?

Cefalexin
Nystatin✔️
Trimethoprim
Rifampicin

Correct Answer Logic:

Nystatin is a polyene antifungal that is not absorbed from the GI tract when given orally. It is used exclusively for topical treatment of oral, pharyngeal, and gastrointestinal candidiasis.

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General Knowledge QUESTION #8966

Question 16

Leo Tolstoy was the author of which famous novel?

The Idiot
Dark Continent
For Whom the Bell Tolls
War and Peace✔️

Correct Answer Logic:

Tolstoy wrote War and Peace.

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English QUESTION #8525

Question 17

The synonym of 'Banish' is:

Recall
Expel✔️
Digest
Exonerate

Correct Answer Logic:

Banish means to expel or send away.

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Accounting & Finance QUESTION #6114

Question 18

X and Y share profits 3:2. Interest on drawings: X $550, Y $450 (at 5%). Profit for year: $94,000. Loan interest paid to X: $3,000. Each partner drew an amount equal to their salary. What was Y's share of residual profit?

$28,800
$29,200✔️
$30,000
$38,000

Correct Answer Logic:

Option B ($29,200) is correct.

X's salary = $550 ÷ 5% = $11,000; Y's salary = $450 ÷ 5% = $9,000

Residual profit = $94,000 − $3,000 + $1,000 − $11,000 − $9,000 = $73,000 (Interest on drawings added back: $550+$450=$1,000)

Y's share = 2/5 × $73,000 = $29,200

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Education QUESTION #6708

Question 19

In a discussion on controversial social issues, a teacher notices students merely echo textbook positions without critical examination. To promote deeper understanding, the teacher should PRIMARILY:

Provide more authoritative sources
Encourage students to defend opposing viewpoints and examine underlying assumptions✔️
Give definitive answers to avoid confusion
Focus on memorization of accepted perspectives

Correct Answer Logic:

Deeper understanding requires students to engage with multiple perspectives, examine assumptions, and construct reasoned positions. Having students argue opposing viewpoints develops critical thinking and reveals complexity beyond surface-level knowledge.

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Urdu QUESTION #5150

Question 20

Distant drums sound sweeter کے درست ترجمے کا انتخاب کیجیے۔

دوری سے پیار بڑھتا ہے
گھر کی دوری سے گھر کی قدر ہوتی ہے
دور کے ڈھول ہی اچھے
دور کے ڈھول سہانے✔️

Correct Answer Logic:

Distant drums sound sweeter کا اردو میں درست مفہوم ہے 'دور کے ڈھول سہانے' یعنی جو چیز دور ہو وہ اچھی لگتی ہے۔

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