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Study questions platform-wide or filter by specific tests with correct answers revealed.
General Knowledge
QUESTION #9025
Question 721
The Bolan Pass, a mountain pass in Balochistan, passes through which mountain range?
Correct Answer Logic:
The Bolan Pass goes through the Toba Kakar Range? Key says C Toba Kakar.
Uploaded by: Fani Warraich
English
QUESTION #8314
Question 722
Every student is familiar _______ the name of Mohammad Ali Jinnah.
Electronics
QUESTION #3773
Question 723
Identify the process described by the partial differential equation $\frac{\partial \phi}{\partial t} + a \frac{\partial \phi}{\partial x} = 0$, where $a$ is a non-zero constant.
Correct Answer Logic:
This is the linear advection equation representing a wave moving at speed $a$.
Uploaded by: Fani Warraich
General Ability and Fire Fighting
QUESTION #5597
Question 725
Class D fires involve which type of fuel?
Correct Answer Logic:
Class D fires involve combustible metals such as magnesium and potassium. They require specialized dry powder extinguishing agents.
Uploaded by: Fani Warraich
Physics
QUESTION #372
Question 726
Resistance in RC circuit of time constant 2 seconds is 1000 Ohms. What is value of C in the circuit?
Correct Answer Logic:
? = RC, so C = ?/R = 2/1000 = 0.002 F = 2000 ?F. However, answer key shows C, which is 200 ?F
Uploaded by: Fani Warraich
Paper-II (Pharmacology and Social Behaviour, Law & Ethics and Computer Sciences)
QUESTION #5756
Question 727
Which enzyme is permanently inactivated by organophosphate compounds like Echothiophate?
Correct Answer Logic:
Echothiophate is an organophosphate that covalently binds and permanently inactivates acetylcholinesterase.
Uploaded by: Fani Warraich
MCQs Section
QUESTION #4867
Question 729
Choose the correct antonym of "CAPRICIOUS"
Correct Answer Logic:
Capricious means given to sudden and unaccountable changes of mood or behavior. Its antonym is 'constant,' meaning unchanging and steady in behavior or opinions.
Uploaded by: Fani Warraich
Math Physics Chemistry Biology
QUESTION #4333
Question 730
Reversible inhibitors differ from irreversible inhibitors because they:
Correct Answer Logic:
Reversible inhibitors bind through weak, non-covalent interactions and can be removed, restoring enzyme activity. Irreversible inhibitors form permanent covalent bonds with the enzyme.
Uploaded by: Fani Warraich
Physics
QUESTION #7229
Question 731
The dimensional formula of angular momentum is:
Correct Answer Logic:
Angular momentum $L = I\omega = mvr$ (for a particle)
$[L] = [m][v][r] = M \cdot LT^{-1} \cdot L = ML^2T^{-1}$
This is the same as the dimension of Planck's constant $h$, which makes sense since $E = h\nu$ and angular momentum appears in quantum mechanics through $\hbar = h/2\pi$.
Uploaded by: Fani Warraich
Boilers Mechanical Engineering
QUESTION #2421
Question 732
For a composite plane wall with convection on both sides, the total thermal resistance is:
Correct Answer Logic:
For a composite wall with convection on both sides, all resistances are in series: \(R_{total}=\frac{1}{h_1A}+\frac{L_1}{k_1A}+\frac{L_2}{k_2A}+\cdots+\frac{1}{h_2A}\).
Uploaded by: Fani Warraich
Tourism & Hospitality Management
QUESTION #1656
Question 733
The Emerging Trends course covers 'the future of global aviation' including commercial jetliner history and forecasts. Which aspect of airline industry dynamics is specifically addressed in the curriculum?
Correct Answer Logic:
Module 6 of the Emerging Trends course โ 'Future of Global Aviation' โ specifically covers: Commercial Jetliners history and forecast, Companies and Airlines competitive landscape, Negotiation positions, and Negotiation options โ examining how airline manufacturers, lessors, and airlines negotiate fleet decisions and how these shape the future capacity and connectivity of global tourism.
Uploaded by: Fani Warraich
Planning
QUESTION #4958
Question 735
Which technique is most effective for reducing urban heat island effect?
Correct Answer Logic:
Green infrastructure (green roofs, urban forests, parks) reduces urban heat island effect through evapotranspiration, shading, and lower surface temperatures compared to concrete and asphalt.
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Physics and Math
QUESTION #760
Question 736
A non-negative rational number is group under:
Correct Answer Logic:
Non-negative rational numbers form a group under addition as they satisfy closure, associativity, identity (0), and inverse properties.
Uploaded by: Fani Warraich
Physics
QUESTION #985
Question 737
A symmetric thin biconvex lens is cut into four equal parts by two planes \(AB\) and \(CD\). If the power of the original lens is 4 D, then the power of a part of the divided lens is:
Correct Answer Logic:
Cutting along \(AB\) (perpendicular to axis) halves the lens โ each half-lens has the same radii but acts as a plano-convex lens; power doubles to 8 D. Cutting along \(CD\) (along the axis) does not change power. Each quarter piece has power 8 D.
Uploaded by: Fani Warraich
Paper-I (Anatomy/Physiology and Biochemistry/Microbiology)
QUESTION #3395
Question 738
'Co-enzymes' are often derived from:
Correct Answer Logic:
Many B-complex vitamins serve as precursors for essential co-enzymes (like $NAD^+$).
Uploaded by: Fani Warraich
Correct Answer Logic:
Moles of $H_2 = \frac{4}{2} = 2\ mol$. Theoretical yield of $H_2O = 2 \times 18 = 36\ g$. $\% yield = \frac{28}{36} \times 100 = 77.8\%$.
Uploaded by: Fani Warraich
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