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Urdu QUESTION #5072

Question 4641

یوسفِ بے کارواں کا مفہوم کیا ہے؟

مظلوم و ستم زدہ✔️
اکیلا
لاثانی
رہبر و راہنما

Correct Answer Logic:

یوسفِ بے کارواں سے مراد وہ شخص ہے جو ستم زدہ اور مظلوم ہو۔

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Mathematics QUESTION #4087

Question 4642

The number of distinct cyclic subgroups of $\mathbb{Z}_{18}$ is equal to the number of positive divisors of 18. How many such subgroups exist?

$4$
$5$
$6$✔️
$8$

Correct Answer Logic:

Divisors of $18 = 2 \times 3^2$ are: $1,2,3,6,9,18$ — exactly 6 divisors. By the subgroup theorem for cyclic groups, $\mathbb{Z}_{18}$ has exactly one cyclic subgroup of each order dividing 18, giving $6$ cyclic subgroups in total.

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General Science and Ability QUESTION #256

Question 4643

Which contains a greater number of carbon atoms in one mole?

Chloroform
Methanol
Water
Ethanol✔️

Correct Answer Logic:

Ethanol (C2H5OH) has 2 carbon atoms per molecule, more than Chloroform (CHCl3) or Methanol (CH3OH).+1

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English QUESTION #2756

Question 4644

Choose the correct form: 'If she had left earlier

she ___ the train.'✔️
would catch
will catch
would have caught

Correct Answer Logic:

2

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General Knowledge QUESTION #2623

Question 4645

What is the function of a HEATSINK in a computer?

To store temporary data for quick access by the CPU
To connect the CPU to the RAM through a dedicated data channel
To dissipate (remove) heat from the CPU to prevent it from overheating✔️
To manage the flow of electrical power from the power supply to all components

Correct Answer Logic:

A heatsink is used to dissipate heat from our CPU. The CPU generates significant heat during operation. The heatsink draws this heat away from the CPU and disperses it into the surrounding air, often aided by a cooling fan, to prevent damage from overheating.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3232

Question 4646

'Anoxia' is a condition where there is:

A total lack of oxygen in the tissues✔️
A total lack of blood
Excessive $CO_2$
High temperature

Correct Answer Logic:

Anoxia is the extreme form of hypoxia.

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3666

Question 4647

Which drug is used to treat 'Amoebic Dysentery'?

Ipecac✔️
Senna
Aloe
Ginger

Correct Answer Logic:

Emetine from Ipecac is effective against amoebae.

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Basic Mathematics QUESTION #2893

Question 4648

Complete the pattern: $1, 8, 27, 64, \dots$

100
125✔️
81
150

Correct Answer Logic:

The series represents cubes: $1^3, 2^3, 3^3, 4^3$. Next is $5^3 = 125$.

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Biology QUESTION #4181

Question 4649

Myelin sheath acts as;

Protector
Insulator✔️
Sensor
Supporter

Correct Answer Logic:

Myelin sheath insulates nerve fibers and speeds up nerve impulse transmission.

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Civil Procedure QUESTION #3721

Question 4650

A neighbor's tree has a large, dead branch hanging over a homeowner's driveway. The homeowner warns the neighbor multiple times, but the neighbor does nothing. During a mild breeze, the branch falls and crushes the homeowner's car. What is the neighbor's best defense?

Act of God (the wind).
No duty to maintain natural conditions on land.
Contributory negligence by the homeowner for parking there.✔️
The neighbor had no 'intent' to harm the car.

Correct Answer Logic:

The neighbor was negligent in failing to prune a known dangerous branch. However, the neighbor will likely argue that the homeowner, knowing the danger, was contributorily negligent for parking directly under the branch.

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Professional QUESTION #1904

Question 4651

Under Rule 4(1)(b) which of the following correctly lists ALL major penalties?

Censure; withholding of increment; compulsory retirement; dismissal
Reduction to lower post or time-scale; compulsory retirement; removal from service; dismissal from service✔️
Stoppage at efficiency bar; reduction to lower post; removal from service
Withholding of promotion; compulsory retirement; dismissal from service

Correct Answer Logic:

Rule 4(1)(b) exhaustively lists four major penalties: (i) reduction to lower post/time-scale/stage; (ii) compulsory retirement; (iii) removal from service; and (iv) dismissal from service.

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Mathematics QUESTION #6015

Question 4652

If the matrix $P = \begin{pmatrix}1 & \alpha & 3\\1 & 3 & 3\\2 & 4 & 4\end{pmatrix}$ is the adjoint of a $3\times3$ matrix $A$ with $|A|=4$, find $\alpha$.

4
11✔️
5

Correct Answer Logic:

We use the property: $|adj(A)| = |A|^{n-1}$ for an $n\times n$ matrix. Here $n=3$, so $|P| = |A|^2 = 16$.

Compute $|P|$ by expanding along row 1 (with unknown $\alpha$):

$|P| = 1(3\cdot4-3\cdot4) - \alpha(1\cdot4-3\cdot2) + 3(1\cdot4-3\cdot2)$

$= 1(0) - \alpha(4-6) + 3(4-6) = 2\alpha - 6$

Setting $2\alpha - 6 = 16 \Rightarrow 2\alpha = 22 \Rightarrow \alpha = \mathbf{11}$

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3062

Question 4653

What is the 'HLB Value' system used for?

Measuring drug potency
Classifying surfactants for emulsions✔️
Calculating doses for the elderly
Determining glass type

Correct Answer Logic:

The Hydrophilic-Lipophilic Balance (HLB) value helps select the right emulsifying agent.

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Physics QUESTION #1171

Question 4654

The product of mass and velocity is known as:

Work
Moment
Impulse
Momentum✔️

Correct Answer Logic:

Momentum is defined as the product of mass and velocity: $\vec{p} = m\vec{v}$. It is a vector quantity measured in $\text{kg·m/s}$. Work is force times displacement, impulse is force times time (equal to change in momentum), and moment refers to torque.

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Therapeutics and Patient Care QUESTION #3891

Question 4655

On which days of the menstrual cycle should clomifene be taken to stimulate ovulation induction?

Days 0–5 of the menstrual cycle
Days 5–9 of the menstrual cycle✔️
Days 10–14 of the menstrual cycle
Days 20–24 of the menstrual cycle

Correct Answer Logic:

Clomifene citrate is typically prescribed from day 2–6 or day 5–9 of the menstrual cycle to induce follicular development and ovulation.

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Agronomy QUESTION #2053

Question 4656

The 'source–sink' relationship in crop physiology as applied to agronomic management refers to:

The relationship between irrigation source and water sink capacity of soil
The balance between photosynthetic capacity (source: leaves producing assimilates) and the capacity of storage organs (sink: grain, tuber) to accumulate dry matter, which determines yield potential✔️
The nutrient flow between organic matter source (manure) and plant nutrient sink (roots)
The relationship between rainfall source and soil water deficit (sink)

Correct Answer Logic:

In crop physiology, source = photosynthetic organs producing assimilates; sink = organs storing assimilates (grain, tubers). Yield is co-limited by both: a large source with small sink (poor grain set) wastes photosynthate; a large sink with small source (poor canopy) starves grain fill. Agronomic practices (planting density, nutrition, irrigation) manage both.

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Security Measures to Maintain Law and Order QUESTION #856

Question 4657

"Conflict of Interest" for an AD ASF occurs when:

They work overtime
A family member owns a terminal shop✔️
they fly on an airplane
they carry a weapon

Correct Answer Logic:

Ethical conduct requires officers to disclose and avoid situations where personal interests could compromise security decisions.

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Physics QUESTION #1184

Question 4658

The Lorentz force is given by:

F = q(v × B)✔️
Φ = ∂A/∂x + ∂A/∂y + ∂A/∂z
qF = q(v_d × B)
None of these

Correct Answer Logic:

The Lorentz force on a charge $q$ moving with velocity $\vec{v}$ in a magnetic field $\vec{B}$ is $\vec{F} = q(\vec{v} \times \vec{B})$. The full Lorentz force including the electric field is $\vec{F} = q(\vec{E} + \vec{v} \times \vec{B})$. Option (B) is the divergence of vector potential (unrelated), and option (C) has incorrect notation.

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General Knowledge QUESTION #4641

Question 4659

Four of the following five are similar in a definite way and so form a group. Which one of them does not belong to the group?

Umbrella✔️
Gloves
Shirt
Shoes

Correct Answer Logic:

No explanation provided for this question.

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Chemistry QUESTION #1069

Question 4660

Which one of the following reactions does NOT belong to Lassaigne's test?

$\text{Na} + \text{X} \xrightarrow{\Delta} \text{NaX}$
$2\text{CuO} + \text{C} \xrightarrow{\Delta} 2\text{Cu} + \text{CO}_2$✔️
$\text{Na} + \text{C} + \text{N} \xrightarrow{\Delta} \text{NaCN}$
$2\text{Na} + \text{S} \xrightarrow{\Delta} \text{Na}_2\text{S}$

Correct Answer Logic:

Lassaigne's test involves fusing the organic compound with sodium metal to convert covalent elements (N, S, halogens) into ionic sodium salts (NaCN, Na$_2$S, NaX). The reaction $2\text{CuO} + \text{C} \to 2\text{Cu} + \text{CO}_2$ is the copper oxide test used to detect carbon/hydrogen, and does NOT belong to Lassaigne's test.

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