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Study questions platform-wide or filter by specific tests with correct answers revealed.
General Knowledge
QUESTION #2584
Question 1
Which of the following BEST defines a computer?
Correct Answer Logic:
A computer is defined as a device that stores and processes data by performing calculations. It takes raw input data, processes it, and produces meaningful output — making it far more than just a browsing or display device.
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Physics
QUESTION #1183
Question 2
The charging and discharging behavior of an ideal RLC circuit is:
Correct Answer Logic:
In an ideal LC (or lightly damped RLC) circuit, the charge on the capacitor and current in the inductor oscillate sinusoidally — this is simple harmonic oscillation. The differential equation for an LC circuit is \(L\frac{d^2q}{dt^2} + \frac{q}{C} = 0\), identical in form to the SHM equation \(\ddot{x} + \omega^2 x = 0\).
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Planning
QUESTION #4976
Question 3
In Net Present Value (NPV) calculation, if discount rate increases from 5% to 10%, the NPV will:
Correct Answer Logic:
NPV formula $NPV = \sum_{t=0}^{n} \frac{C_t}{(1+r)^t}$ shows inverse relationship with discount rate $r$. Higher discount rate reduces present value of future cash flows, decreasing NPV. This reflects higher opportunity cost of capital.
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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology)
QUESTION #3342
Question 4
'Septicemia' is also known as:
Correct Answer Logic:
It involves the systemic spread of pathogens and their toxins in the blood.
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HR and Management
QUESTION #6436
Question 5
In the Burgess-Park ecological model of organizational change, 'invasion-succession dynamics' refers to:
Correct Answer Logic:
The invasion-succession concept from urban ecology was applied to organizational analysis. In cities (and organizations), lower-income newcomers 'invade' inner zones while established members move outward to create new zones, driving dynamic change patterns.
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Security Measures to Maintain Law and Order
QUESTION #930
Question 6
What is the primary function of a 'Sterile Area' in an airport?
Correct Answer Logic:
A sterile area is a high-security zone where everyone and everything has been screened for threats.
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Medicinal Chemistry and Biopharmaceutics
QUESTION #3816
Question 7
Wool fat is unavailable and must be replaced by lanolin ($28\%$ water, $72\%$ wool fat). What amounts of lanolin and water are needed for the prescription: zinc oxide $2$ g, calamine $2$ g, wool fat $36$ g, water to $60$ g?
Correct Answer Logic:
Lanolin needed $= \dfrac{36}{0.72} = 50$ g. Water from lanolin $= 50 \times 0.28 = 14$ mL. Total water in formula $= 60 - 2 - 2 - 36 = 20$ mL. Additional water $= 20 - 14 = 6$ mL.
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General Knowledge
QUESTION #11548
Question 9
Which language translator converts assembly language code into raw machine code?
Correct Answer Logic:
An Assembler translates assembly language (human-readable mnemonics: MOV, ADD, JMP) into machine language (binary: 0s and 1s) that the CPU directly executes. A Compiler translates high-level languages to machine code; an Interpreter executes high-level code line by line; a Debugger finds and fixes errors.
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Boilers Mechanical Engineering
QUESTION #2515
Question 10
A particle moves along a curve. Its position vector is \(\mathbf{r}(t)\). The velocity is defined as:
Correct Answer Logic:
By definition, velocity of a point P is \(\mathbf{v} = \frac{d\mathbf{r}}{dt}\), the first time derivative of the position vector. Acceleration is the second derivative \(\mathbf{a} = \ddot{\mathbf{r}}\).
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Law
QUESTION #9673
Question 11
Under Article 9 (Professional Communications), an advocate's duty of confidentiality does NOT protect communications made:
Correct Answer Logic:
Article 9 Proviso (1) states that the protection does not apply to any communication made in furtherance of any illegal purpose.
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Mathematics
QUESTION #7482
Question 12
For \(x \in \mathbb{R} - \{0,1\}\), let \(f_1(x) = \frac{1}{x}\), \(f_2(x) = 1-x\) and \(f_3(x) = \frac{1}{1-x}\) be three given functions. If a function J(x) satisfies \((f_2 \circ J \circ f_1)(x) = f_3(x)\), then J(x) is equal to:
Correct Answer Logic:
We have \((f_2 \circ J \circ f_1)(x) = f_2(J(f_1(x))) = f_2(J(\frac{1}{x})) = 1 - J(\frac{1}{x}) = f_3(x) = \frac{1}{1-x}\). So \(J(\frac{1}{x}) = 1 - \frac{1}{1-x} = \frac{1-x-1}{1-x} = \frac{-x}{1-x} = \frac{x}{x-1}\). Replacing \(\frac{1}{x}\) with t (so \(x = \frac{1}{t}\)): \(J(t) = \frac{1/t}{1/t - 1} = \frac{1}{1-t} = f_3(t)\).
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General Knowledge
QUESTION #8280
Question 13
What is the standard PC keyboard shortcut to apply bold formatting to selected text?
Math Physics Chemistry Biology
QUESTION #4199
Question 14
Which of the following best describes the relationship between endoplasmic reticulum (ER) and Golgi apparatus?
Correct Answer Logic:
ER synthesizes proteins/lipids that are transported to Golgi apparatus for processing and packaging.
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Correct Answer Logic:
Generally, evidentiary objections not raised in the trial court are waived. In the context of summary judgment, if a party fails to move to strike or otherwise object to an affidavit, the objection is usually waived.
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MCQs Section
QUESTION #5261
Question 16
'سیدالشہداء' قواعد کی رو سے کیا ہے؟
Correct Answer Logic:
سیدالشہداء ایک لقب ہے جو کسی خاص صفت یا شہادت کی وجہ سے دیا جاتا ہے۔
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Math Physics Chemistry Biology
QUESTION #7776
Question 17
The ester formed from a fatty acid and a long-chain alcohol is called:
Correct Answer Logic:
Waxes are esters of long-chain fatty acids with long-chain alcohols. Acylglycerols (fats/oils) are esters with glycerol. Phospholipids have a phosphate group.
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Civil Engineering
QUESTION #6569
Question 18
Given a chord length of \(30\,\text{m}\), the relationship between the radius \(R\) (in metres) and the degree of curve \(D\) (in degrees) is:
Correct Answer Logic:
For a chord definition with chord \(= 30\,\text{m}\): \(R = \frac{1720}{D}\) uses 20 m chord; for a 30 m chord, \(R = \frac{4500}{D}\) is the standard relation used in highway curves.
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Chemistry
QUESTION #7150
Question 19
Identify the amphoteric hydroxide among the following group 2 elements.
Correct Answer Logic:
Most group 2 hydroxides are basic and their basicity increases down the group. However, Beryllium ($Be$) is the first element and shows diagonal relationship with Aluminum. Due to its small size and high electronegativity, $Be(OH)_{2}$ is amphoteric, meaning it reacts with both acids and strong bases.
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Therapeutics and Patient Care
QUESTION #3908
Question 20
Which of the following medications is recommended as a specific treatment for benign prostatic hyperplasia (BPH) by reducing prostate volume?
Correct Answer Logic:
Finasteride is a $5\alpha$-reductase inhibitor that reduces dihydrotestosterone (DHT) production, decreasing prostate volume and improving urinary symptoms in BPH.
Uploaded by: Fani Warraich
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