Reading Mode - Questions

Molecular Biology / Bioinformatics / Biochemistry QUESTION #11055

Which of the following toxic metals is extensively present in newspaper ink?

Mg (Magnesium)
Cd (Cadmium)
Pb (Lead)✔️
Hg (Mercury)

Correct Answer Logic:

Lead (Pb) was historically the primary toxic metal in newspaper ink, used in traditional letterpress printing (lead type) and in some printing inks as a pigment (lead chromate). While modern inks have largely replaced lead with safer alternatives, lead contamination in newsprint remains an environmental and health concern. Lead is a cumulative neurotoxin. Cadmium and mercury are also toxic metals but are not specifically associated with newspaper production.

Uploaded by: Fani Warraich

Math Physics Chemistry Biology QUESTION #4319

Question 2

Tissue fluid in a lymphatic system is called:

Plasma
Matrix
Lymph✔️
Blood

Correct Answer Logic:

When tissue fluid (interstitial fluid) enters the lymphatic capillaries, it is called lymph. Lymph is similar in composition to plasma but lacks large plasma proteins.

Uploaded by: Fani Warraich

Nursing QUESTION #9270

Question 3

A 10-year-old child is admitted with acute rheumatic fever. The Jones Criteria are used for diagnosis. Which combination represents MAJOR criteria only?

Fever, elevated ESR, prolonged PR interval, arthralgia
Carditis, polyarthritis, Sydenham's chorea, erythema marginatum, subcutaneous nodules✔️
Arthralgia, elevated CRP, leukocytosis, preceding streptococcal infection
Mitral regurgitation murmur, elevated ASO titer, fever, leukocytosis

Correct Answer Logic:

Jones Criteria for Acute Rheumatic Fever (ARF) — 2015 AHA Revision:

Diagnosis requires: evidence of preceding Group A Streptococcal (GAS) infection PLUS:

2 Major criteria, OR
1 Major + 2 Minor criteria

Major Criteria	Minor Criteria
Carditis (clinical or subclinical/echocardiographic)	Fever ($\geq 38.5°C$)
Polyarthritis (migratory)	Elevated ESR or CRP
Sydenham's Chorea	Prolonged PR interval on ECG
Erythema Marginatum	Arthralgia (only if arthritis not counted as major)
Subcutaneous Nodules	Elevated WBC

Mnemonic for Major criteria: JONES — Joints (polyarthritis), Oh (carditis), Nodules, Erythema marginatum, Sydenham's chorea

Treatment:

Penicillin V × 10 days (eradicate GAS)
Aspirin for arthritis/carditis
Corticosteroids for severe carditis
Secondary prophylaxis: Benzathine Penicillin $1.2\,\text{MU}$ IM every 3–4 weeks for years (duration depends on carditis severity)

Uploaded by: Fani Warraich

Education QUESTION #6752

Question 4

A curriculum developer wants to assess whether students can synthesize information from multiple disciplines and generate novel hypotheses. According to Bloom's Revised Taxonomy, which cognitive level is being targeted, and what is an appropriate item format?

Analysis level; multiple-choice items
Creating level; extended-response essay items✔️
Evaluating level; restricted-response essay items
Applying level; short-answer items

Correct Answer Logic:

In Bloom's Revised Taxonomy, Creating is the highest level — it involves generating, planning, or producing new ideas or products. Synthesizing across disciplines and forming novel hypotheses are quintessential Creating-level tasks. Extended-response essay items allow the freedom of expression and length needed for such complex, open-ended performance. Restricted-response and MCQs constrain the response in ways that prevent authentic synthesis and creation.

Uploaded by: Fani Warraich

English QUESTION #7877

Question 5

Which word is a synonym for 'elated'?

Confused
Disappointed
Nervous
Overjoyed✔️

Correct Answer Logic:

'Elated' means extremely happy and excited. 'Overjoyed' is the closest synonym. 'Confused', 'disappointed', and 'nervous' are unrelated emotions.

Uploaded by: Fani Warraich

Islamic Studies QUESTION #351

Question 6

Jerusalem was conquered in the period of:

Hazrat Abu Bakr (RA)
Hazrat Umar (RA)✔️
Hazrat Usman (RA)
Hazrat Ali (RA)

Correct Answer Logic:

Jerusalem was surrendered to Caliph Hazrat Umar (RA) in 637 AD.

Uploaded by: Fani Warraich

Math Physics Chemistry Biology QUESTION #11336

Question 7

Restriction endonucleases are secreted by some strains of which bacterium?

Escherichia coli
Staphylococcus aureus
Bacillus subtilis
Haemophilus influenzae✔️

Correct Answer Logic:

Restriction endonucleases are secreted by some strains of Haemophilus influenzae.

Uploaded by: Fani Warraich

Administration QUESTION #9571

Question 8

Hersey and Blanchard's Situational Leadership Model argues that no single leadership style is universally effective. A newly recruited batch of CSS probationers arrives at the Civil Services Academy with high motivation but limited knowledge of administrative procedures. According to the model, which leadership style should their instructors/supervisors adopt?

High relationship, low task — focusing on building personal rapport and confidence while allowing probationers to discover procedures independently
High task, high relationship — providing detailed procedural guidance while also being supportive and building confidence during the transition phase✔️
Low task, low relationship — allowing the motivated probationers to find their own way since high motivation implies readiness
High task, low relationship — focusing entirely on procedural knowledge transfer without social support since probationers already have intrinsic motivation

Correct Answer Logic:

In Hersey and Blanchard's model, 'readiness' combines ability and willingness. Newly recruited probationers have high willingness (motivation) but low ability (unfamiliar with procedures) — placing them in Phase 2 (low ability, high willingness). The model prescribes high task (they need procedural guidance) and high relationship (they need confidence-building support). Phase 1 (high task, low relationship) applies when both ability and willingness are low.

Uploaded by: Fani Warraich

Boilers Mechanical Engineering QUESTION #4041

Question 9

'Safety Factor' in boiler design means the boiler is built:

To fail at the working pressure
Stronger than the required working pressure to account for uncertainties✔️
With only one valve
By a famous company

Correct Answer Logic:

A safety factor of $4$ means the metal can withstand $4$ times the working pressure before failing.

Uploaded by: Fani Warraich

English QUESTION #7631

Question 10

Although the Germanic tribes that forcibly migrated into southern and western Europe in the 5th century were _____ converted to Christianity, they retained many of their customs and ways of life.

extremely
ultimately✔️
indispensably
None of these

Correct Answer Logic:

'Ultimately' means 'in the end' or 'eventually', which fits the historical context. The Germanic tribes eventually converted to Christianity over time, not immediately. This word indicates a gradual process of conversion while maintaining their cultural practices.

Uploaded by: Fani Warraich

MCQs Section QUESTION #5193

Question 11

نظم کی وہ صنف جس کے ہر شعر ہم قافیہ ہم ردیف ہو اور ہر شعر قافیہ اور ردیف کے لحاظ سے جداگانہ ہو؟

قطعہ
مرثیہ
مثنوی✔️
مسدس

Correct Answer Logic:

مثنوی وہ نظم ہے جس میں ہر شعر کے دونوں مصرعے ہم قافیہ ہوں لیکن ہر شعر میں قافیہ بدل جائے۔

Uploaded by: Fani Warraich

Maths QUESTION #2869

Question 12

What is the value of $5^3 - 5^2$?

5
25
100✔️
125

Correct Answer Logic:

Calculation: $5^3 = 125$ and $5^2 = 25$. $125 - 25 = 100$.

Uploaded by: Fani Warraich

Administration QUESTION #9603

Question 13

A firm's Weighted Average Cost of Capital (WACC) is 12%, and a proposed project has an Internal Rate of Return (IRR) of 9%. A manager argues the project should still be accepted because it generates positive cash flows. Which financial principle does the manager's argument violate, and what is the correct decision?

The manager violates the payback period principle — projects must recover their investment within the firm's standard payback window regardless of IRR
The manager violates the value creation principle — a project whose IRR is below the WACC destroys shareholder value because it earns less than the cost of the capital deployed in it; the project should be rejected✔️
The manager violates the diversification principle — a single project with sub-WACC returns should be bundled with higher-return projects to achieve a blended acceptable return
The manager is correct — positive cash flows always create value regardless of the cost of capital used to generate them

Correct Answer Logic:

WACC represents the minimum return required to satisfy all capital providers (debt and equity). A project with IRR below WACC earns less than what it costs to finance — it destroys economic value even while generating positive accounting cash flows. Accepting such a project dilutes shareholder returns and reduces firm value. This is the core principle of economic value added (EVA) and Net Present Value (NPV) decision rules: NPV would be negative, confirming rejection.

Uploaded by: Fani Warraich

Mathematics QUESTION #7457

Question 14

If $L_1$ is the line of intersection of the planes $2x - 2y + 3z - 2 = 0$, $x - y + z + 1 = 0$ and $L_2$ is the line of intersection of the planes $x + 2y - z - 3 = 0$, $3x - y + 2z - 1 = 0$, then the distance of the origin from the plane containing the lines $L_1$ and $L_2$, is:

$\frac{1}{2\sqrt{2}}$✔️
$\frac{1}{\sqrt{2}}$
$\frac{1}{4\sqrt{2}}$
$\frac{1}{3\sqrt{2}}$

Correct Answer Logic:

First find direction vectors of $L_1$ and $L_2$. For $L_1$, cross product of normals $(2,-2,3)$ and $(1,-1,1)$ gives $\vec{d_1} = \begin{vmatrix} \hat{i} & \hat{j} & \hat{k} \\ 2 & -2 & 3 \\ 1 & -1 & 1 \end{vmatrix} = \hat{i}(-2+3) - \hat{j}(2-3) + \hat{k}(-2+2) = \hat{i} + \hat{j}$, or $(1,1,0)$. For $L_2$, cross product of $(1,2,-1)$ and $(3,-1,2)$ gives $\vec{d_2} = \begin{vmatrix} \hat{i} & \hat{j} & \hat{k} \\ 1 & 2 & -1 \\ 3 & -1 & 2 \end{vmatrix} = \hat{i}(4-1) - \hat{j}(2+3) + \hat{k}(-1-6) = 3\hat{i} - 5\hat{j} - 7\hat{k}$, or $(3,-5,-7)$. Find a point on each line, then find the normal to the plane containing both lines by cross product of direction vectors. This is a lengthy calculation. The distance formula gives $\frac{1}{2\sqrt{2}}$.

Uploaded by: Fani Warraich

English QUESTION #4424

Question 15

The manager accepted the cashier's __________ for coming late.

expalanation
explaination
expinasion
explanation✔️

Correct Answer Logic:

The correct spelling is 'explanation' — a noun meaning a statement that makes something clear. All other options (expalanation, explaination, expinasion) are common misspellings of this word.

Uploaded by: Fani Warraich

Statistics QUESTION #1984

Question 16

If a population has mean $\mu$ and variance $\sigma^2$, the variance of the sample mean $\bar{X}$ for samples of size $n$ drawn WITHOUT replacement from a finite population of size $N$ is:

$\dfrac{\sigma^2}{n}$
$\dfrac{\sigma^2}{n} \cdot \dfrac{N-n}{N-1}$✔️
$\dfrac{\sigma^2}{n} \cdot \dfrac{N-n}{N}$
$\dfrac{\sigma^2}{N}$

Correct Answer Logic:

For sampling without replacement from a finite population, $Var(\bar{X}) = \dfrac{\sigma^2}{n} \cdot \dfrac{N-n}{N-1}$, where $\dfrac{N-n}{N-1}$ is the finite population correction (fpc) factor. It reduces variance compared to sampling with replacement.

Uploaded by: Fani Warraich

English QUESTION #7554

Question 17

Translate into English: میں جانتا تھا کہ وہ وعدہ پورا نہیں کرے گا۔

I knew that he won’t keep his promise.
I knew that he would not keep his promise.✔️
I was knowing that he will not keep his promise.
I know he doesn’t keep his promise.

Correct Answer Logic:

The Urdu uses past tense "جانتا تھا" (knew) and future-in-past "کرے گا" (would not keep). Option B correctly uses "knew" + "would not keep."

Uploaded by: Fani Warraich

General Knowledge QUESTION #8907

Question 18

The Chairman of the Council of Common Interests (CCI) is:

The President
The Chief Justice of Pakistan
The Prime Minister✔️
The Attorney General

Correct Answer Logic:

The Prime Minister is the Chairman of CCI.

Uploaded by: Fani Warraich

Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #2959

Question 19

A 'Saturated Solution' is defined as one where:

No more solute can be dissolved at a given temperature✔️
The solute is in higher concentration than the solvent
The solution contains exactly $10\%$ solute
The solute has completely evaporated

Correct Answer Logic:

A saturated solution contains the maximum amount of solute that can be dissolved in the solvent at a specific temperature.

Uploaded by: Fani Warraich

Pakistan Affairs QUESTION #4666

Question 20

Which Pakistani scientist was the sole Nobel Prize winner from Pakistan?

Dr. Ashfaq Ahmed
Dr. Abdus Salam✔️
Dr. Abdul Qadeer Khan
Dr. Salimuzzaman Siddiqui

Correct Answer Logic:

Dr. Abdus Salam was the first Pakistani Nobel Laureate, receiving the 1979 Nobel Prize in Physics for his work on the electroweak unification theory.

Uploaded by: Fani Warraich

More Options

Suggest a Question

Major Criteria	Minor Criteria
Carditis (clinical or subclinical/echocardiographic)	Fever (\(\geq 38.5°C\))
Polyarthritis (migratory)	Elevated ESR or CRP
Sydenham's Chorea	Prolonged PR interval on ECG
Erythema Marginatum	Arthralgia (only if arthritis not counted as major)
Subcutaneous Nodules	Elevated WBC