Reading Mode - Questions

A CSA is a valuable internal tool that promotes user accountability and can identify areas warranting deeper review. However, it is not a substitute for a traditional independent audit, as it does not carry the same level of independence or rigor required for formal audit conclusions.

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Physics QUESTION #1056

Question 2004

A photon and electron (mass $m$) have same energy $E$. Ratio $\lambda_{photon}/\lambda_{electron}$ is ($c$ = speed of light):

$c\sqrt{\dfrac{2m}{E}}$✔️
$\dfrac{1}{c}\sqrt{\dfrac{E}{2m}}$
$\sqrt{\dfrac{E}{2m}}$
$c\sqrt{2mE}$

Correct Answer Logic:

Photon: $\lambda_{ph}=\frac{hc}{E}$. Electron (non-relativistic): $\lambda_{el}=\frac{h}{\sqrt{2mE}}$. Ratio: $\frac{\lambda_{ph}}{\lambda_{el}}=\frac{hc}{E}\cdot\frac{\sqrt{2mE}}{h}=\frac{c\sqrt{2mE}}{E}=c\sqrt{\frac{2m}{E}}$.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3119

Question 2005

Hydrochloric Acid (HCl) is secreted by which cells in the stomach?

Chief cells
Parietal cells✔️
Mucous cells
G-cells

Correct Answer Logic:

Parietal cells secrete HCl and intrinsic factor (necessary for Vitamin $B_{12}$ absorption).

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Library Sciences QUESTION #1551

Question 2006

According to Evans et al. (2007), 'reporting' as a management function in libraries primarily involves:

Writing annual collection development policies
Keeping supervisors, governing boards, and stakeholders informed about performance, activities, and progress through records and communication✔️
Processing interlibrary loan requests
Filing copyright clearance documentation

Correct Answer Logic:

Reporting as a management function involves maintaining records and communicating information upward to supervisors and governing bodies and downward to staff, ensuring accountability and transparency. In libraries, this includes annual reports, statistical summaries, and performance data submitted to parent institutions or funding bodies.

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English QUESTION #2732

Question 2007

Change to PASSIVE VOICE: 'The teacher teaches the students.'

The students were taught by the teacher.
The students are taught by the teacher.✔️
The students teach the teacher.
The students have been taught by the teacher.

Correct Answer Logic:

In passive voice for simple present: Subject + is/am/are + past participle + by + agent. 'The students are taught by the teacher' correctly converts the active voice sentence.

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Islamic Studies QUESTION #7897

Question 2008

What is the serial number of the Kalimah Rad-e-Kufr among the 6 Kalimahs?

Six✔️
Four
Three
Five

Correct Answer Logic:

Kalimah Rad-e-Kufr is the 6th (Sixth) Kalimah. The six Kalimahs are: (1) Tayyab, (2) Shahadat, (3) Tamjeed, (4) Tauheed, (5) Astagfar, and (6) Rad-e-Kufr. Kalimah Rad-e-Kufr is a declaration of rejection of disbelief and false deities.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3497

Question 2009

'Peppermint Oil' is obtained from the leaves of:

Mentha piperita✔️
Foeniculum vulgare
Coriandrum sativum
Eucalyptus globulus

Correct Answer Logic:

Mentha piperita is the source of peppermint oil, used as a carminative.

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3038

Question 2010

What is the standard condition for autoclaving (Pressure and Temperature)?

$15\text{ psi}$ at $121^\circ\text{C}$ for $15\text{ mins}$✔️
$10\text{ psi}$ at $100^\circ\text{C}$ for $30\text{ mins}$
$20\text{ psi}$ at $150^\circ\text{C}$ for $5\text{ mins}$
$0\text{ psi}$ at $80^\circ\text{C}$ for $1\text{ hour}$

Correct Answer Logic:

Standard autoclaving is $121^\circ\text{C}$ ($15\text{ psi}$) for at least $15$ minutes.

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Biology QUESTION #7247

Question 2011

In prokaryotes, chromatophores are:

Specialized granules responsible for colouration of cells
Structures responsible for organizing the shape of cells
Inclusion bodies lying free inside the cells for carrying out various metabolic activities
Internal membrane systems that become extensive and complex in photosynthetic bacteria✔️

Correct Answer Logic:

In prokaryotes, chromatophores are internal membrane systems (invaginations of plasma membrane) that become extensive and complex in photosynthetic bacteria such as purple bacteria and green sulfur bacteria. They bear photosynthetic pigments and are functionally analogous to chloroplasts.

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Chemistry QUESTION #1072

Question 2012

Out of the following complex compounds, which will have minimum conductance in solution?

$[\text{Co(NH}_3)_6]\text{Cl}_3$
$[\text{Co(NH}_3)_5\text{Cl}]\text{Cl}$
$[\text{Co(NH}_3)_3\text{Cl}_3]$✔️
$[\text{Co(NH}_3)_4\text{Cl}_2]\text{Cl}$

Correct Answer Logic:

$[\text{Co(NH}_3)_3\text{Cl}_3]$ is a non-electrolyte — all chlorides are inside the coordination sphere and no ions are released in solution. Minimum conductance means fewest ions in solution. This complex dissociates into 0 ions, giving minimum (zero) ionic conductance.

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General Abilities QUESTION #2815

Question 2013

The average marks of 30 students is 65. If 5 more students with an average of 75 join the class, what is the new average?

66.43
66.67✔️
67.14
68

Correct Answer Logic:

Old total $= 30 \times 65 = 1950$. New total $= 1950 + 5 \times 75 = 1950 + 375 = 2325$. New average $= \dfrac{2325}{35} = 66.43 \approx 66.43$. Exact: $\dfrac{2325}{35} = 66.43$.

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Mathematics QUESTION #7432

Question 2014

Two poles standing on horizontal ground are of heights 5 m and 10 m respectively. The line joining their tops makes an angle of 15° with the ground. Then the distance (in m) between the poles is:

$5(2+\sqrt{3})$✔️
$5(\sqrt{3}+1)$
$\frac{5}{2}(2+\sqrt{3})$
$10(\sqrt{3}-1)$

Correct Answer Logic:

Let the distance between poles be $d$. The height difference is $10-5=5$ m. Using trigonometry: $\tan(15°) = \frac{5}{d}$. We know $\tan(15°) = 2-\sqrt{3}$ (from $\tan(45°-30°)$ formula). Therefore, $d = \frac{5}{2-\sqrt{3}} = \frac{5(2+\sqrt{3})}{(2-\sqrt{3})(2+\sqrt{3})} = \frac{5(2+\sqrt{3})}{4-3} = 5(2+\sqrt{3})$.

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General Knowledge QUESTION #4818

Question 2015

The concept explaining how individually rational self-interested behavior can lead to destructive collective outcomes is known as?

Tragedy of the Commons✔️
Population implosion
Carrying capacity
Prisoner's dilemma

Correct Answer Logic:

The Tragedy of the Commons, a concept developed by Garrett Hardin in 1968, explains how individuals acting in their own self-interest can deplete shared resources, leading to collective harm despite individual rationality.

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MCQs Section QUESTION #4906

Question 2016

A patient accusing a doctor of malpractice will find it difficult to prove damage _____ about proper medical procedures.

if there is a lack of some other doctor to testify
unless there will be another doctor to testify
without another doctor's testimony✔️
should there be no testimony from some other doctor

Correct Answer Logic:

Without another doctor's testimony' is the most concise and idiomatic expression. Option A is wordy and unnatural ('lack of some other doctor'). Option B incorrectly uses future tense 'will be' inside a conditional clause. Option D is unnecessarily wordy. Option E (not shown) produces a dangling participial.

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Geography QUESTION #1234

Question 2017

The ______ is an amphitheater-like valley formed by glacial erosion.

Cirque✔️
Kettle
Esker
None of these

Correct Answer Logic:

A cirque (also called a corrie or cwm) is a bowl-shaped, amphitheater-like depression formed by glacial erosion at the head of a valley glacier. It is created by the rotational movement of ice and freeze-thaw action. A kettle is a depression left by a melting ice block; an esker is a ridge of glacial sand and gravel.

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Chemistry QUESTION #7147

Question 2018

Among the following alkaline earth metal sulfates, which one possesses a hydration enthalpy that is greater than its lattice enthalpy?

$CaSO_{4}$
$BeSO_{4}$✔️
$BaSO_{4}$
$SrSO_{4}$

Correct Answer Logic:

Solubility of sulfates depends on the balance between lattice energy and hydration energy. As we move down the group, both decrease, but lattice energy decreases slowly due to the large size of the sulfate ion. However, $Be^{2+}$ is exceptionally small, giving it a very high hydration enthalpy that exceeds its lattice enthalpy, making $BeSO_{4}$ highly soluble.

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English QUESTION #7555

Question 2019

Translate into English: ہمارے بہادر فوجی دل و جان سے مادہ وطن کی حفاظت کر رہے ہیں۔

Our brave soldiers are defending our mother land with passion.
Our brave soldiers are defending our mother land with all their heart and soul.
Our brave soldiers are defending our mother land with all their zeal and zest.
Our brave soldiers are defending our beloved land with all their heart and soul.✔️

Correct Answer Logic:

دل و جان سے literally means "with heart and soul." Option D adds "beloved" which fits the emotional context

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Urdu QUESTION #5141

Question 2020

جوّاری کس کی کہانی ہے؟

غلام عباس✔️
احمد ندیم قاسمی
سلیم اختر
ان میں سے کوئی نہیں

Correct Answer Logic:

جوّاری غلام عباس کا مشہور افسانہ ہے۔

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