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General Knowledge QUESTION #4723

H5N1 is classified as which of the following?

A medicine
A vaccine
A virus✔️
A bacterium

Correct Answer Logic:

H5N1 is a subtype of the influenza A virus that causes highly pathogenic avian influenza. It gained global attention in 2005–2006 as a potential pandemic threat.

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English QUESTION #8496

Question 3042

Select the word SIMILAR in meaning to: STANDING

Reputation✔️
Activity
Long time
Duration

Correct Answer Logic:

Standing means reputation or status.

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MCQs Section QUESTION #5144

Question 3043

دیارِ عشق میں اپنا مقام پیدا کر، کس شاعر کا مصرع ہے؟

میر تقی میر
غالب
اقبال✔️
فیض

Correct Answer Logic:

دیارِ عشق میں اپنا مقام پیدا کر علامہ اقبال کا مشہور مصرع ہے۔

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Dairy Food Science and Technology QUESTION #5928

Question 3044

Casein micelles in milk are stabilized against aggregation primarily by:

Van der Waals attraction forces
Steric stabilization by the $\kappa$-casein 'hairy layer' and electrostatic repulsion (negative surface charge, zeta potential $\approx -20\;\text{mV}$)✔️
Hydrophobic bonding to fat globule membranes
Disulfide bonds between $\beta$-casein molecules

Correct Answer Logic:

Casein micelle stability depends on: steric repulsion from the protruding GMP portion of $\kappa$-casein on the micelle surface; and electrostatic repulsion due to negative surface charge (zeta potential $\approx -20\;\text{mV}$ at milk $\text{pH}$). Removal of either causes aggregation.

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Home Economics QUESTION #6276

Question 3045

The 'Count' of a yarn refers to which characteristic?

The weight per unit length or length per unit weight✔️
The number of fibers in a bundle
The price of the yarn per meter
The degree of twist applied during spinning

Correct Answer Logic:

Yarn count is a numerical expression which indicates the fineness or coarseness of a yarn.

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Education QUESTION #11636

Question 3046

The primary purpose of Educational Psychology is to:

Contribute to an understanding of sound educational practices✔️
Provide the academic background essential for effective teaching
Provide a theoretical framework for educational research
None of these

Correct Answer Logic:

The central aim of Educational Psychology is to apply psychological principles to understand and improve educational practices — including how students learn, develop, and are motivated. While it informs teaching and research, its primary goal is to enhance the quality and effectiveness of education itself.

Correct Answer: A.

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Molecular Biology / Bioinformatics / Biochemistry QUESTION #11057

Question 3047

New alleles can be introduced into a population's gene pool by:

Mutation
Natural selection
Gene flow
Both mutation and gene flow✔️

Correct Answer Logic:

Both mutation and gene flow introduce new alleles into a gene pool. Mutation creates entirely new alleles through changes in DNA sequence (substitution, insertion, deletion). Gene flow (migration) transfers existing alleles from one population to another — introducing alleles that may be new to the receiving population. Natural selection changes allele frequencies but does not introduce new alleles; it acts on existing genetic variation.

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Administration QUESTION #9576

Question 3048

A telecom company reduces its workforce by 30% following privatization, but customer complaints increase by 45% within 18 months. Which organizational behaviour concept best explains this outcome?

Survivor syndrome — remaining employees experience guilt, anxiety and reduced productivity after witnessing colleague layoffs✔️
Span of control violation — too few managers are now supervising too many technical roles
Theory X activation — downsizing signals distrust which converts motivated employees into passive workers
Reinforcement withdrawal — removal of colleagues eliminates the social reinforcement that sustained performance norms

Correct Answer Logic:

Survivor syndrome describes the psychological toll on employees who remain after mass layoffs — they experience guilt, fear of further cuts, reduced morale and productivity loss. This explains why the company's service quality deteriorated despite retaining its workforce, a well-documented post-downsizing organizational failure.

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Accounting & Finance QUESTION #6055

Question 3049

Working capital serves as an indicator of a firm's:

Asset utilization efficiency
Level of non-current liabilities
Amount of non-current assets
Liquidity position✔️

Correct Answer Logic:

Working capital $= \text{Current Assets} - \text{Current Liabilities}$. It measures how much liquid resource the firm has available to meet its short-term obligations. A positive working capital means the firm can cover its current liabilities — this is a direct measure of liquidity, not asset utilization, non-current liabilities, or non-current assets.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3093

Question 3050

The 'Neuromuscular Junction' is the gap between a motor neuron and a:

Sensory receptor
Muscle fiber✔️
Bone
Gland

Correct Answer Logic:

This is the site where the nervous system signals the muscular system to contract.

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Maths QUESTION #2815

Question 3051

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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Chemistry QUESTION #7360

Question 3052

Which of the following statements is INCORRECT about the Bohr atomic model?

It establishes the stability of the atom
It is contradicted by the Heisenberg uncertainty principle✔️
It explains the origin of spectral lines
Electrons behave as both particle and wave

Correct Answer Logic:

Bohr's model limitations:
Option (2) is the wrong statement about a fault — it is actually a correct criticism. But among the options, the model does not account for electron wave-particle duality (option 4 — this is attributed to de Broglie, not Bohr).

Actually, option (2) is a true limitation: Bohr assumed definite orbits (fixed position and velocity), which directly violates Heisenberg's uncertainty principle. The correct answer marked is (2) as the false premise Bohr made. Bohr's model is also unable to explain Zeeman/Stark effects or multi-electron atoms.

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Pakistan Affairs QUESTION #324

Question 3053

Who is Pakistan's first female mountaineer to conquer Mount Everest?

Nazia Parveen
Samina Baig✔️
Mahoor Shahzad
Benazir Bhutto

Correct Answer Logic:

Samina Baig became the first Pakistani woman to reach the summit of Mount Everest in 2013.

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Physics QUESTION #1190

Question 3054

As per quantum physics, the observables 'E' and _________ cannot be simultaneously measured with hundred percent accuracy.

p_x
t✔️
x
None of these

Correct Answer Logic:

The energy-time uncertainty relation is $\Delta E \cdot \Delta t \geq \frac{\hbar}{2}$. Energy $E$ and time $t$ are complementary observables that cannot both be known precisely simultaneously. This is analogous to the position-momentum uncertainty: $\Delta x \cdot \Delta p_x \geq \frac{\hbar}{2}$. So 'E' is paired with 't' in the uncertainty principle.

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Education QUESTION #6771

Question 3055

Carey (1988) identified six elements for developing a Table of Specification. Which combination is MOST essential to ensure both content representativeness AND cognitive depth?

Total number of items and test format
Balance among goals selected for the exam AND balance among levels of learning (higher and lower order)✔️
Enabling skills and number of items per goal
Test format and difficulty level

Correct Answer Logic:

Content representativeness is ensured by balancing the weighting across all instructional goals (objectives). Cognitive depth is ensured by explicitly including items at both lower-order (knowledge, comprehension) and higher-order (application, analysis, synthesis) levels of Bloom's Taxonomy. These two elements working together prevent a test from oversampling easy recall items at the expense of complex thinking.

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Education QUESTION #11655

Question 3056

Considering the range of abilities in a typical classroom, students are generally grouped into which categories?

Average
Below average
Above average
All of these✔️

Correct Answer Logic:

In any standard classroom, students’ abilities naturally distribute across a spectrum. For instructional and grouping purposes, they are generally classified as above average, average, and below average. Recognizing this diversity is fundamental to differentiated instruction.

Correct Answer: D — All of these.

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Disaster Management QUESTION #6557

Question 3057

Which approach to disaster recovery monitoring would most effectively ensure accountability and learning?

Financial audits only
Combining real-time digital tracking, community feedback mechanisms, independent evaluations, and documentation of lessons learned✔️
Government reports
Donor assessments

Correct Answer Logic:

Section 10.1 emphasizes monitoring recovery with clear indicators, transparency mechanisms, and incorporating community feedback. Effective monitoring combines quantitative tracking, qualitative community input, independent verification, and learning systems rather than relying on single sources.

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Home Economics QUESTION #6278

Question 3058

Which laundry reagent is used to neutralize residual alkalinity and remove 'yellowing' in white clothes?

Bleach
Starch
Blueing agent✔️
Fabric Softener

Correct Answer Logic:

Blueing agents add a trace of blue dye to counteract the natural yellowing of white fabrics.

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Math (Module-1) QUESTION #5466

Question 3059

The scatterplot shows $x$ and $y$ with a negative linear trend. Which equation is the most appropriate linear model?

$y = 0.9 + 9.4x$
$y = 0.9 - 9.4x$
$y = 9.4 + 0.9x$
$y = 9.4 - 0.9x$✔️

Correct Answer Logic:

A negative linear trend requires a negative slope. Option 4 has a negative slope ($-0.9$) and a reasonable intercept.

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Administration QUESTION #9582

Question 3060

Herzberg's Two-Factor Theory identifies 'hygiene factors' and 'motivators.' A government department improves air conditioning, raises salaries by 15%, and increases leave entitlements. Six months later, employee performance remains unchanged. Which theoretical prediction does this outcome validate, and what intervention should have been made instead?

It validates Maslow's prediction that physiological and safety needs are pre-conditions for motivation — the department should now address social needs through team-building
It validates Herzberg's prediction that hygiene factors (salary, working conditions, benefits) prevent dissatisfaction but do not produce motivation — the department should have introduced achievement opportunities, recognition, responsibility and meaningful work✔️
It contradicts Herzberg because salary increases are classified as motivators in the Two-Factor framework — the department should conduct a job redesign study
It validates McGregor's Theory X — the employees are inherently unmotivated and require closer supervision rather than financial incentives

Correct Answer Logic:

Herzberg specifically classified salary, working conditions and fringe benefits as hygiene factors — their presence prevents dissatisfaction but their improvement does not generate positive motivation. Only motivators (achievement, recognition, responsibility, advancement, work itself) produce genuine performance improvement. This is Herzberg's most counterintuitive and practically significant insight — and the scenario precisely illustrates it.

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