Reading Mode - Questions

The Transactional Model of Stress (Lazarus and Folkman, 1984) proposes that stress arises from the transaction between the person and the environment. Stress depends on: (1) primary appraisal — is this situation threatening or challenging? and (2) secondary appraisal — do I have the resources to cope? If demands exceed perceived coping resources, stress results. GAS (Selye) focuses on physiological response stages; SRRS ranks life events by stress level.

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Chemistry QUESTION #453

Question 4

Which element has the largest number of allotropic forms?

Phosphorous✔️
Sulphur
Oxygen
Both A & C

Correct Answer Logic:

Phosphorus has many allotropes (white, red, black, etc.)

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Mathematics QUESTION #7478

Question 5

Let $\vec{a} = \hat{i} + \hat{j} + \sqrt{2}\hat{k}$, $\vec{b} = b_1\hat{i} + b_2\hat{j} + \sqrt{2}\hat{k}$ and $\vec{c} = 5\hat{i} + \hat{j} + \sqrt{2}\hat{k}$ be three vectors such that the projection vector of $\vec{b}$ on $\vec{a}$ is $\vec{a}$. If $\vec{a}+\vec{b}$ is perpendicular to $\vec{c}$, then $|\vec{b}|$ is equal to:

$\sqrt{32}$
6✔️
$\sqrt{22}$
4

Correct Answer Logic:

Projection of $\vec{b}$ on $\vec{a}$ is $\frac{\vec{b} \cdot \vec{a}}{|\vec{a}|^2}\vec{a} = \vec{a}$. So $\vec{b} \cdot \vec{a} = |\vec{a}|^2 = 1+1+2 = 4$. Thus $b_1 + b_2 + 2 = 4$, giving $b_1+b_2 = 2$. Condition $(\vec{a}+\vec{b}) \perp \vec{c}$: $(1+b_1)(5) + (1+b_2)(1) + (2\sqrt{2})(\sqrt{2}) = 0$, giving $5+5b_1+1+b_2+4 = 0$, so $10+5b_1+b_2 = 0$. From $b_1+b_2=2$: $b_2 = 2-b_1$, substituting: $10+5b_1+2-b_1 = 0$, so $4b_1 = -12$ and $b_1 = -3$, giving $b_2 = 5$. Thus $\vec{b} = -3\hat{i}+5\hat{j}+\sqrt{2}\hat{k}$, and $|\vec{b}| = \sqrt{9+25+2} = \sqrt{36} = 6$.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3186

Question 6

During 'Depolarization' of an action potential, which ion rushes into the cell?

$K^+$
$Na^+$✔️
$Ca^{2+}$
$Cl^-$

Correct Answer Logic:

Opening of voltage-gated sodium channels allows $Na^+$ to enter, making the membrane potential more positive.

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Urdu QUESTION #4466

Question 7

لفظ مہتر کا مونث بتائیں۔ (Tell the feminine form of the word 'Mehtar')

مہترنی✔️
مہترانی
مہتری
ان میں کوئی نہیں۔

Correct Answer Logic:

The standard feminine form of 'Mehtar' (a sweeper or a title) in Urdu grammar is 'Mehtarni' (مہترنی).

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Urdu QUESTION #5229

Question 8

'A man is known by the company he keeps' کے درست مطلب کا انتخاب کیجیے۔

آدمی اپنے دوستوں سے پہچانا جاتا ہے✔️
آدمی اپنے ماحول سے پہچانا جاتا ہے
آدمی اپنے کاروبار سے جانا جاتا ہے
آدمی اپنے کام سے جانا جاتا ہے

Correct Answer Logic:

A man is known by the company he keeps کا درست مطلب ہے: آدمی اپنے دوستوں سے پہچانا جاتا ہے۔

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Pakistan Affairs QUESTION #9106

Question 9

Which country borders Pakistan on its northern side?

Iran
Afghanistan
China✔️
India

Correct Answer Logic:

China is to the north of Pakistan (via the Karakoram Highway).

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Journalism / Mass Communication QUESTION #6422

Question 10

The concept of 'noise' in communication as defined in Shannon's model has three distinct types. Which of the following CORRECTLY identifies all three types of noise as mentioned in the textbook?

Visual noise, Audio noise, and Tactile noise
Physical (mechanical/engineering) noise in the channel; Semantic noise arising from differences in meaning and experience; and Psychological noise arising from the encoding and decoding process✔️
Technical noise, Cultural noise, and Linguistic noise
Primary noise, Secondary noise, and Tertiary noise

Correct Answer Logic:

The textbook discusses noise in the Shannon-Weaver model context and identifies three categories:

Physical (Mechanical/Engineering) Noise: Unexplained variation or random error in the communication channel. Examples: a loud motorbike during conversation, smudges on a printed page, “snow” on a TV set, mist on a car windscreen, a crackling microphone. Shannon was primarily concerned with this type.
Semantic Noise: Arises from differences in meaning — when sender and receiver do not share the same knowledge, cultural background, experience, attitudes, beliefs, or linguistic skills. This is “the very essence of the study of human communication.”
Psychological Noise: The textbook mentions “psychological interference with encoding and decoding” — arising from emotional states, biases, prejudices, or mental conditions that distort how messages are encoded or decoded.

Channel overload — when the channel capacity is exceeded — is also mentioned as a source of distortion distinct from noise per se.

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Accounting & Finance QUESTION #6216

Question 11

In the context of 'Audit Risk', if the Auditor assesses the 'Control Risk' ($CR$) as $1$ (100%), what is the logical implication for the audit strategy?

The auditor can reduce the amount of substantive testing
The auditor should rely on the internal control questionnaire
The auditor must adopt an extensive substantive approach✔️
The auditor should issue a modified report immediately

Correct Answer Logic:

If controls are weak ($CR$ is high), the auditor cannot rely on them and must perform extensive testing of transactions and balances (substantive approach).

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Pakistan Affairs QUESTION #614

Question 12

Who is the author of the book, 'The Reluctant Fundamentalist'?

Muhsin Hamid✔️
Mohammad Hanif
Mohammad Hussain
None of these

Correct Answer Logic:

This world-renowned novel was written by Mohsin Hamid .

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Reading and Writing (Module-1) QUESTION #5424

Question 13

Delivering biomolecules into plant cells is hard due to the cell wall. Markita del Carpio Landry's team found it may be possible to ____ this problem using carbon nanotubes that cross cell walls.

conceptualize
neglect
illustrate
overcome✔️

Correct Answer Logic:

The sentence discusses solving a difficulty, so "overcome" fits best.

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General Knowledge QUESTION #8681

Question 14

What does 'chauvinism' mean?

Strong belief that your country or gender is superior✔️
Male dominance in society
Politics of non-issues
None of above

Correct Answer Logic:

Chauvinism means excessive or prejudiced loyalty to a group.

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Physics QUESTION #1179

Question 15

Gauss's law is applicable to charges which are:

Closely distributed in space
Sparsely distributed in space
Enclosed by a broken surface
Enclosed by a closed surface✔️

Correct Answer Logic:

Gauss's law states that the total electric flux through a closed (Gaussian) surface is proportional to the total charge enclosed: $\oint \vec{E} \cdot d\vec{A} = \frac{Q_{\text{enc}}}{\varepsilon_0}$. The surface must be a closed surface — it cannot be a broken or open surface. The distribution of charges (close or sparse) does not affect the applicability of the law.

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Administration QUESTION #2916

Question 16

In the context of administrative reform, "Devolution" specifically refers to:

Transfer of power to local levels✔️
Centralization of authority
Privatization of state assets
Reduction of the workforce

Correct Answer Logic:

Devolution is the statutory delegation of powers from the central government of a sovereign state to govern at a subnational level, such as a local government.

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Education QUESTION #6759

Question 17

A test is highly reliable but consistently measures vocabulary skill instead of reading comprehension as intended. According to the framework of validity and reliability, which statement is MOST accurate?

The test is both valid and reliable because reliability is the most important psychometric property
The test is reliable but not valid for its intended purpose; reliability is necessary but not sufficient for validity✔️
The test is valid because it consistently measures something — consistency itself defines validity
Both validity and reliability are compromised when the construct measured differs from the intended one

Correct Answer Logic:

This scenario illustrates the classic principle: a test can be reliable without being valid. Reliability (consistency) is a necessary but not sufficient condition for validity. Valid results require that the test measures what it claims to measure. Consistent measurement of the wrong construct produces reliable but invalid scores.

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Boilers Mechanical Engineering QUESTION #2419

Question 18

The Stefan-Boltzmann Law gives the maximum heat flux emitted by a blackbody surface at absolute temperature $T_s$ as:

$q''_{SB} = \sigma T_s^2$
$q''_{SB} = \varepsilon\sigma T_s^4$
$q''_{SB} = \sigma T_s^4$ (blackbody, $\varepsilon=1$)✔️
$q''_{SB} = h_r(T_s - T_{surr})$

Correct Answer Logic:

Stefan-Boltzmann Law for a perfect blackbody ($\varepsilon=1$): $q''_{SB}=\sigma T_s^4$ where $\sigma=5.67\times10^{-8}$ W/m²·K⁴.

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Administration QUESTION #2934

Question 19

What does "Total Quality Management" (TQM) primarily emphasize in an organizational context?

Detecting and fixing errors only after production is finished
Fostering a culture of continuous improvement across all levels✔️
Minimizing costs by reducing the quality of raw materials
None of these

Correct Answer Logic:

TQM is a holistic approach that seeks to improve quality through the ongoing involvement of all employees and departments.

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Chemistry QUESTION #1418

Question 20

A zero-order reaction rate does not depend on:

Temperature
Pressure
Reactant concentration✔️
None of these

Correct Answer Logic:

For a zero-order reaction, the rate law is: $\text{rate} = k[\text{A}]^0 = k$. The rate is equal to the rate constant $k$ and is independent of the concentration of reactants. However, the rate constant $k$ itself depends on temperature (via the Arrhenius equation), so temperature does affect the rate — but concentration does not.

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