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Study questions platform-wide or filter by specific tests with correct answers revealed.
Paper-I (Anatomy/Physiology and Biochemistry/Microbiology)
QUESTION #3361
Question 61
'Halophilic' bacteria are those that 'love':
Correct Answer Logic:
They thrive in high-salinity environments like the Dead Sea.
Uploaded by: Fani Warraich
Physics
QUESTION #1056
Question 62
A photon and electron (mass \(m\)) have same energy \(E\). Ratio \(\lambda_{photon}/\lambda_{electron}\) is (\(c\) = speed of light):
Correct Answer Logic:
Photon: \(\lambda_{ph}=\frac{hc}{E}\). Electron (non-relativistic): \(\lambda_{el}=\frac{h}{\sqrt{2mE}}\). Ratio: \(\frac{\lambda_{ph}}{\lambda_{el}}=\frac{hc}{E}\cdot\frac{\sqrt{2mE}}{h}=\frac{c\sqrt{2mE}}{E}=c\sqrt{\frac{2m}{E}}\).
Uploaded by: Fani Warraich
Boilers Mechanical Engineering
QUESTION #2548
Question 63
The principal axes of a cross-section are axes about which:
Correct Answer Logic:
Principal axes are defined by two conditions: (1) \(I_{xy}=0\) (product of inertia vanishes), and (2) the second moments \(I_x\) and \(I_y\) attain their absolute maximum and minimum values, called principal moments of inertia.
Uploaded by: Fani Warraich
Library Sciences
QUESTION #1569
Question 64
Which research method is most appropriate when a librarian aims to measure the level of user satisfaction across a large population of library patrons using a standardized instrument?
Correct Answer Logic:
A structured questionnaire survey is the most appropriate method for measuring attitudes, opinions, or satisfaction levels across a large population. It produces quantifiable, comparable data that can be statistically analyzed โ suitable for assessing library user satisfaction at scale.
Uploaded by: Fani Warraich
Paper-I (Anatomy/Physiology and Biochemistry/Microbiology)
QUESTION #3566
Question 65
The 'Peltate' leaf of 'Podophyllum' is used as a:
Correct Answer Logic:
Podophyllum resin is used for warts and some cancers.
Uploaded by: Fani Warraich
Correct Answer Logic:
For a web plate with no transverse stiffeners (pure shear panel, \(a/h \to \infty\)), the shear buckling coefficient is \(k_v = 5.34\). When transverse stiffeners are present with aspect ratio \(a/h \leq 1\): \(k_v = 4.0 + \dfrac{5.34}{(a/h)^2}\). The critical shear stress is \(F_{cr} = \dfrac{k_v \pi^2 E}{12(1-\nu^2)(h/t_w)^2}\). AISC uses \(k_v = 5.34\) as the baseline for unstiffened webs.
Uploaded by: Fani Warraich
Accounting & Finance
QUESTION #6166
Question 67
Why is the 'Constant Rupee Approach' used in Financial Statement Analysis?
Correct Answer Logic:
Lesson 03 explains that this approach compares balance sheets at different times by making inflationary adjustments to account for the limitations of historical cost.
Uploaded by: Fani Warraich
General Abilities
QUESTION #4533
Question 68
Simplify: $(2^3)^2$
Correct Answer Logic:
$(b^m)^n = b^{mn}$. So $(2^3)^2 = 2^{3 \times 2} = 2^6 = 64$
Uploaded by: Fani Warraich
Mathematics
QUESTION #1327
Question 69
The exact value of \(\int_1^3\dfrac{1}{x^2}\,dx\) is:
Correct Answer Logic:
\(\int_1^3\dfrac{1}{x^2}\,dx=\left[-\dfrac{1}{x}\right]_1^3=-\dfrac{1}{3}+1=\dfrac{2}{3}\). This is the exact value; the Trapezoidal Rule approximation approaches this as the step size decreases.
Uploaded by: Fani Warraich
Planning
QUESTION #4924
Question 70
In urban design, what does 'human scale' refer to?
Correct Answer Logic:
Human scale in urban design refers to designing spaces and buildings with proportions and dimensions that relate comfortably to human body size and perception, creating comfortable, accessible environments.
Uploaded by: Fani Warraich
Physics
QUESTION #378
Question 71
The force required to bend the normally straight path of a particle into a circular path is called __________ force.
Paper-II (Pharmacognosy and Pharmaceutics-I)
QUESTION #3048
Question 72
A 'Chemical Incompatibility' results from:
Correct Answer Logic:
Chemical incompatibility occurs when a chemical reaction takes place between the ingredients.
Uploaded by: Fani Warraich
Home Economics
QUESTION #6269
Question 73
What is the biological value of a protein a measure of?
Correct Answer Logic:
Biological value (BV) measures how efficiently the body utilizes protein from the diet.
Uploaded by: Fani Warraich
Pharmacokinetics and Pharmacodynamics
QUESTION #3849
Question 74
Given $\text{Na}\ M_r = 23$ and $\text{Cl}\ M_r = 35$, what is the sodium ion concentration of a $0.9\%\ \text{w/v}$ sodium chloride solution?
Correct Answer Logic:
$0.9\%\ \text{NaCl} = 9\ \text{g/L}$. $M_r$ of NaCl $= 23 + 35 = 58\ \text{g/mol}$. Moles $= \dfrac{9}{58} = 0.1552\ \text{mol/L} \approx 155\ \text{mmol/L} \approx 150\ \text{mmol/L}$.
Uploaded by: Fani Warraich
Boilers Mechanical Engineering
QUESTION #2436
Question 75
The critical damping coefficient \(c_{cr}\) for a spring-mass-damper system is:
Correct Answer Logic:
Critical damping: \(\alpha=\omega_n\) where \(\alpha=c/(2m)\). Hence \(c_{cr}=2m\omega_n=2m\sqrt{k/m}=2\sqrt{km}\).
Uploaded by: Fani Warraich
Math Physics Chemistry Biology
QUESTION #4308
Question 76
In a normal 28-day menstrual cycle, when would you expect the LH surge to occur?
Correct Answer Logic:
The LH surge typically occurs around days 11โ14 of a 28-day cycle, just before ovulation on day 14. This surge triggers the release of the mature egg from the ovary.
Uploaded by: Fani Warraich
Correct Answer Logic:
Schein's model is hierarchical: artifacts (visible) reflect espoused values (stated beliefs) which may mask underlying assumptions (unconscious, taken-for-granted beliefs). When behavior contradicts stated values, the underlying assumptions are controlling conduct. Punishing failure despite 'valuing innovation' reveals the deep assumption that failure is dangerous โ the hardest cultural level to change because it is rarely articulated or examined.
Uploaded by: Fani Warraich
Paper-II (Pharmacognosy and Pharmaceutics-I)
QUESTION #3631
Question 79
'Tinctures' are alcoholic or hydro-alcoholic extractions of:
Correct Answer Logic:
Tinctures are common liquid forms of herbal medicines.
Uploaded by: Fani Warraich
Security Measures to Maintain Law and Order
QUESTION #886
Question 80
Which "Law & Order" measure is specifically designed to prevent "Insider Threats"?
Correct Answer Logic:
Internal order is maintained by ensuring staff are vetted and their movement is restricted via biometrics to authorized zones.
Uploaded by: Fani Warraich
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