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Islamic Studies QUESTION #239

Question 1

Who was the first to treat Hindus as 'People of the Book' (Zimmis)?

Hazrat Usman Ghani
Muhammad bin Qasim✔️
Muhallab bin Abi Safra
None of these

Correct Answer Logic:

During the conquest of Sindh, Muhammad bin Qasim extended protection to Hindus and Buddhists.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3321

Question 2

'Hemolysis' on a Blood Agar plate appearing as a CLEAR zone around a colony is:

Alpha-hemolysis
Beta-hemolysis✔️
Gamma-hemolysis
No hemolysis

Correct Answer Logic:

Beta-hemolysis indicates complete destruction of red blood cells.

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Dairy Food Science and Technology QUESTION #5928

Question 3

Casein micelles in milk are stabilized against aggregation primarily by:

Van der Waals attraction forces
Steric stabilization by the $\kappa$-casein 'hairy layer' and electrostatic repulsion (negative surface charge, zeta potential $\approx -20\;\text{mV}$)✔️
Hydrophobic bonding to fat globule membranes
Disulfide bonds between $\beta$-casein molecules

Correct Answer Logic:

Casein micelle stability depends on: steric repulsion from the protruding GMP portion of $\kappa$-casein on the micelle surface; and electrostatic repulsion due to negative surface charge (zeta potential $\approx -20\;\text{mV}$ at milk $\text{pH}$). Removal of either causes aggregation.

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Biology Zoology Botany QUESTION #1342

Question 4

Sympathetic and parasympathetic limbs of the Autonomic Nervous System that mostly work opposite to each other are responsible for regulating body homeostasis by:

Involuntary internal process✔️
Involuntary external process
Voluntary internal process
None of these

Correct Answer Logic:

The Autonomic Nervous System (ANS) regulates involuntary internal processes such as heart rate, digestion, glandular secretions, smooth muscle activity, and respiration. The sympathetic division prepares the body for 'fight or flight' and the parasympathetic for 'rest and digest' — both acting automatically without conscious control on internal organs.

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Urdu QUESTION #5129

Question 5

ضرب المثل مکمل کریں: اوکھلی میں ______ دینا

دھر
سر✔️
دار
زر

Correct Answer Logic:

درست ضربِ مثل ہے: 'اوکھلی میں سر دینا' یعنی جان بوجھ کر مصیبت مول لینا۔

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The Constitution of Pakistan QUESTION #9359

Question 6

Under Article 209, the Supreme Judicial Council's function regarding judges includes which of the following that is NOT within its powers?

Inquiring into incapacity of a judge
Presenting a report to the President for removal of a judge
Directly removing a judge from office✔️
Giving a judge an opportunity to show cause before presentation of adverse findings

Correct Answer Logic:

Article 209 establishes the Supreme Judicial Council to inquire into incapacity or misconduct of judges. However, the Council does not itself remove judges — it reports to the President, who then acts on the report. Direct removal power lies with the President on the Council's recommendation, not with the Council itself.

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Math Physics Chemistry Biology QUESTION #7768

Question 7

Which statement about viruses is NOT true?

Contain DNA
Can replicate on their own✔️
Can infect bacteria
They have subcellular structure

Correct Answer Logic:

Viruses cannot replicate on their own; they require a host cell's machinery. They contain either DNA or RNA, can infect bacteria (bacteriophages), and are subcellular (acellular).

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Electrical Engineering QUESTION #2150

Question 8

A $50\text{ kVA}$ transformer has a copper loss of $800\text{ W}$ at full load. What will be the copper loss at half load?

$400\text{ W}$
$200\text{ W}$✔️
$100\text{ W}$
$600\text{ W}$

Correct Answer Logic:

Copper loss varies as the square of the load ($P_{cu} \propto I^2$). At half load, the loss is $(\frac{1}{2})^2 \times 800\text{ W} = \frac{1}{4} \times 800\text{ W} = 200\text{ W}$.

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MCQs Section QUESTION #4901

Question 9

A little under a million years ago, the briny waters of the Baltic Sea began flooding into the cold North Atlantic: geologists are still debating _____ gradual or cataclysmic.

whether the flood was gradual or created a cataclysm
if the flood was gradual or created a cataclysm
about whether the flood was gradual or cataclysmic
whether the flood was gradual or cataclysmic✔️

Correct Answer Logic:

It maintains clean parallel adjective structure: 'gradual or cataclysmic.' Option A breaks parallelism by pairing adjective 'gradual' with verb phrase 'created a cataclysm.' Option B misuses 'if' in an indirect question. Option C adds a superfluous 'about.' Option E is redundant.

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Physics QUESTION #7301

Question 10

A ball is thrown vertically upward with initial speed $u$. The distance covered during the last $t$ seconds of its ascent is:

$ut$
$\dfrac{1}{2}gt^2$✔️
$ut - \dfrac{1}{2}gt^2$
$(u+g)t$

Correct Answer Logic:

By time-reversal symmetry: the last $t$ seconds of ascent is equivalent to free fall from rest for $t$ seconds.

Distance $= \dfrac{1}{2}gt^2$

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General Knowledge QUESTION #2612

Question 11

The MOTHERBOARD of a computer is best described as:

A high-speed memory chip that stores temporary data
The body or circulatory system of the computer that connects all the pieces together✔️
The component that converts electricity from the wall into usable power for the computer
A type of storage device that holds music and documents

Correct Answer Logic:

The motherboard is the body or circulatory system of the computer that connects all the pieces together. Every major component — CPU, RAM, storage, ports — is connected through or to the motherboard.

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Dairy Food Science and Technology QUESTION #5997

Question 12

The 'water holding capacity' (WHC) of yoghurt gel is related to:

Total fat content of the milk used
The protein network density, degree of cross-linking, and porosity of the casein gel — determined by pre-heat treatment of milk (denatured $\beta$-Lg plugs gel pores), fermentation $\text{pH}$, and protein concentration✔️
The amount of starter culture added
Incubation temperature above $45^{\circ}\text{C}$

Correct Answer Logic:

WHC of yoghurt gel determines syneresis susceptibility. High WHC $=$ less syneresis. WHC is improved by: high heat treatment of milk ($90\text{–}95^{\circ}\text{C}/5\text{–}10\;\text{min}$) — denatured $\beta$-Lg associates with $\kappa$-casein increasing network density; higher protein concentration (SMP fortification); slower acidification; EPS-producing strains.

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Law QUESTION #9470

Question 13

Plaintiff A files a suit for recovery of Rs. 500,000 against Defendant B in a Civil Court whose pecuniary jurisdiction is capped at Rs. 300,000. B appears and contests the suit on merits for two years without raising any objection to jurisdiction. The Court ultimately decrees the suit in favour of A. On appeal, B for the first time raises the pecuniary jurisdiction objection. How should the appellate Court treat this objection?

Allow the objection since jurisdiction cannot be conferred by consent of parties
Dismiss the objection because it was not raised in the Court of first instance at the earliest opportunity and no failure of justice resulted✔️
Remand the matter to the trial Court to determine the jurisdictional question afresh
Allow the objection since pecuniary jurisdiction is a fundamental matter that cannot be waived

Correct Answer Logic:

Under Section 21 CPC, no objection as to the place of suing (including pecuniary jurisdiction) shall be allowed by any appellate or revisional Court unless the objection was taken in the Court of first instance at the earliest possible opportunity, and there has been a consequent failure of justice. B's two-year silence without raising the objection defeats the plea entirely.

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Logical Reasoning QUESTION #4433

Question 14

One apple pie has $10$ slices, and each apple pie feeds five people. Henry is having a party with $200$ people. How many slices of pie does he need?

200
50
400✔️
100

Correct Answer Logic:

Each pie feeds $5$ people and has $10$ slices, so each person gets $\dfrac{10}{5} = 2$ slices. For $200$ people: total slices $= 200 \times 2 = 400$ slices.

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Chemistry QUESTION #7167

Question 15

Under what specific conditions can the Tyndall effect be clearly observed?

Particle diameter is much smaller than the wavelength; refractive indices are similar
Particle diameter is not much smaller than the wavelength; refractive indices are similar
Particle diameter is much smaller than the wavelength; refractive indices differ significantly
Particle diameter is not much smaller than the wavelength; refractive indices differ significantly✔️

Correct Answer Logic:

The Tyndall effect is the scattering of light by colloidal particles. It is observed only when:

The diameter of the dispersed particles is not much smaller than the wavelength of light used.
The refractive indices of the dispersed phase and the dispersion medium differ greatly in magnitude.

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Physics QUESTION #7864

Question 16

Angle swept by line perpendicular to rotation axis is called:

Angular acceleration
Angular displacement✔️
Angular momentum
Angular velocity

Correct Answer Logic:

Angular displacement (θ).

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Boilers Mechanical Engineering QUESTION #2382

Question 17

The poles of a transfer function $Y_1(s)$ are defined as:

The roots of the numerator polynomial $Q(s)$
The roots of the denominator polynomial $R(s)$ when set to zero: $R(s)=0$✔️
The coefficients of the characteristic equation
The gain constants of the system

Correct Answer Logic:

Poles are the roots of the denominator $R(s)=0$ of the transfer function $Y_1(s)=Q(s)/R(s)$. They determine the transient response characteristics. Zeros are the roots of the numerator $Q(s)=0$.

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Physics QUESTION #7345

Question 18

A particle's position (in metres) is $(2,3)$ at $t=0$, $(6,7)$ at $t=2\text{ s}$, and $(13,14)$ at $t=5\text{ s}$. The average velocity vector from $t=0$ to $t=5\text{ s}$ is:

$\dfrac{1}{5}(13\hat{i}+14\hat{j})$
$\dfrac{7}{3}(\hat{i}+\hat{j})$
$2(\hat{i}+\hat{j})$
$\dfrac{11}{5}(\hat{i}+\hat{j})$✔️

Correct Answer Logic:

Displacement: $\Delta\vec{r} = (13-2)\hat{i} + (14-3)\hat{j} = 11\hat{i}+11\hat{j}$

Average velocity $= \dfrac{\Delta\vec{r}}{\Delta t} = \dfrac{11\hat{i}+11\hat{j}}{5} = \mathbf{\dfrac{11}{5}(\hat{i}+\hat{j})}$

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Geography QUESTION #1246

Question 19

Convection currents are found in:

Troposphere✔️
Stratosphere
Ionosphere
None of these

Correct Answer Logic:

Convection currents in the atmosphere occur primarily in the troposphere — the lowest layer of the atmosphere (0–12 km). The troposphere is heated from below by the Earth's surface, making it thermally unstable and prone to convective overturning (warm air rises, cool air sinks). The stratosphere is thermally stable (temperature increases with altitude), suppressing convection.

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3040

Question 20

Which method is used for sterilizing heat-sensitive liquids like vaccines?

Autoclaving
Filtration✔️
Hot air oven
Direct flaming

Correct Answer Logic:

Filtration through bacteria-proof filters is used for thermolabile (heat-sensitive) liquids.

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