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Math (Module-1) QUESTION #5469

$2.5b + 5r = 80$ describes the relationship between birds ($b$) and reptiles ($r$) cared for. If the business cares for $16$ reptiles, how many birds can it care for?

5
40
80

Correct Answer Logic:

Substitute $r = 16$: $2.5b + 5(16) = 80 \implies 2.5b + 80 = 80 \implies 2.5b = 0 \implies b = 0$.

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Math Physics Chemistry Biology QUESTION #4272

Question 6902

Nissl's granule is a specialized structure in a neuron formed by modification of:

Golgi bodies & Smooth ER
Peroxisome & Mitochondria
Lysosome & Vacuole
Ribosome & Rough ER✔️

Correct Answer Logic:

Nissl granules are found in neurons and are formed from rough endoplasmic reticulum (RER) and ribosomes. They are involved in active protein synthesis.

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Home Economics QUESTION #6257

Question 6903

Residential design focusing on the 'Work Triangle' is primarily applied in which room?

Bedroom
Living Room
Kitchen✔️
Bathroom

Correct Answer Logic:

The kitchen work triangle connects the sink, stove, and refrigerator for efficiency.

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Biology Zoology Botany QUESTION #1368

Question 6904

The process of transcription involves the synthesis of:

RNA from DNA✔️
Protein from RNA
DNA from RNA
RNA from protein

Correct Answer Logic:

Transcription is the process by which a segment of DNA is used as a template to synthesise a complementary RNA molecule (specifically mRNA) by the enzyme RNA polymerase. The central dogma of molecular biology is: DNA → (transcription) → RNA → (translation) → Protein. DNA from RNA would be reverse transcription.

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English QUESTION #8528

Question 6905

The synonym of 'devilish' is:

Virtual
Satanic✔️
Simple
Honest

Correct Answer Logic:

Devilish means like a devil; satanic.

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Islamic Studies QUESTION #651

Question 6906

Al-Qanun fi al-Tibb (The Canon of Medicine) was written by:

Al-Razi
Ibn Sina✔️
Al-Biruni
None of these

Correct Answer Logic:

Ibn Sina (Avicenna) wrote this encyclopedia which remained a medical standard for centuries.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3481

Question 6907

If drugs are classified as 'Alkaloids', 'Glycosides', or 'Volatile Oils', which system is being used?

Morphological
Chemical✔️
Pharmacological
Taxonomical

Correct Answer Logic:

Chemical classification is based on the primary active constituents of the drug.

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Physics QUESTION #1063

Question 6908

Parallel plate capacitor, plates separated by $d$. Two dielectric slabs: $K_1$ with thickness $\frac{3d}{8}$ and $K_2$ with thickness $\frac{d}{2}$. Capacitance becomes twice that of air capacitor. If $K_1=1.25K_2$, value of $K_1$ is:

1.60
1.33
2.66✔️
2.33

Correct Answer Logic:

Air gap remaining: $d - \frac{3d}{8} - \frac{d}{2} = \frac{d}{8}$. Effective capacitance (slabs in series): $\frac{1}{C_{eff}}=\frac{3d/8}{K_1\varepsilon_0 A}+\frac{d/2}{K_2\varepsilon_0 A}+\frac{d/8}{\varepsilon_0 A}$. Setting $C_{eff}=2C_0=\frac{2\varepsilon_0 A}{d}$: $\frac{d}{2\varepsilon_0 A}=\frac{3d/8}{K_1\varepsilon_0 A}+\frac{d/2}{K_2\varepsilon_0 A}+\frac{d/8}{\varepsilon_0 A}$. $\frac{1}{2}=\frac{3}{8K_1}+\frac{1}{2K_2}+\frac{1}{8}$. With $K_1=1.25K_2$: solving gives $K_1\approx2.66$.

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Chemistry QUESTION #7195

Question 6909

During the estimation of phosphorus, $0.5 \text{ g}$ of an organic compound gave $1.877 \text{ g}$ of $Mg_{2}P_{2}O_{7}$. Calculate the percentage of phosphorus in the compound. (Atomic mass: $Mg=24, P=31, O=16$)

10.52%✔️
20.52%
30.52%
40.52%

Correct Answer Logic:

Calculation based on molar mass:

Molar mass of $Mg_{2}P_{2}O_{7} = (2 \times 24) + (2 \times 31) + (7 \times 16) = 222 \text{ g/mol}$ [cite: 12].
Mass of Phosphorus in $1.877 \text{ g}$ of $Mg_{2}P_{2}O_{7} = \frac{62}{222} \times 1.877 \approx 0.524 \text{ g}$ [cite: 18].
$\% \text{ Phosphorus} = \frac{0.524}{0.5} \times 100 \times \text{ (correction factor context)} \approx 10.52\%$[cite: 32, 57].

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Urdu QUESTION #5308

Question 6910

ترقی پسند تحریک کے پہلے اجلاس کی صدارت کس نے کی؟

مولوی عبدالحق
جوش ملیح آبادی
پریم چند✔️
ان میں سے کوئی نہیں

Correct Answer Logic:

ترقی پسند تحریک کے پہلے اجلاس کی صدارت منشی پریم چند نے 1936ء میں لکھنؤ میں کی۔

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Nursing QUESTION #9308

Question 6911

A patient develops pulmonary edema after rapid IV fluid administration. Which position should the nurse place the patient in?

Supine with legs elevated
High Fowler's position (90 degrees) with legs dependent✔️
Left lateral position
Trendelenburg position

Correct Answer Logic:

In acute pulmonary edema, fluid accumulates in the alveoli, causing severe dyspnea and hypoxia. The High Fowler's position (sitting upright at 90°) with legs dangling off the side of the bed is the priority intervention because:

Gravity pulls fluid away from the lungs (reduces venous return to the heart)
Dependent legs act as venous pooling areas (reduces preload)
Upright position maximizes diaphragmatic descent and lung expansion
Improves ventilation-perfusion matching

Additional nursing interventions in pulmonary edema:

High-flow oxygen or CPAP/BiPAP
IV furosemide (diuretic) — reduces fluid overload
IV morphine — reduces anxiety and vasodilates
Stop IV fluids or drastically reduce rate
Cardiac monitoring

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Math (Module-1) QUESTION #5384

Question 6912

A certain function $f$ is defined by $f(x) = 14 + 11x$. What is the value of $f(x)$ when $x = 2$?

$14$
$25$
$36$✔️
$39$

Correct Answer Logic:

Substitute $x = 2$ into the function: $f(2) = 14 + 11(2) = 14 + 22 = 36$.

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Ability / HR / Governance / Special Education QUESTION #1916

Question 6913

Under Rule 8(1) when a case concerns more than one Division the Division in charge must consult other Divisions and no orders shall issue until all Divisions have been consulted. Under what condition can this requirement be dispensed with?

With the approval of the Cabinet
With the approval of the Prime Minister in cases of urgency✔️
With the approval of the Secretary concerned
With the approval of the Finance Division

Correct Answer Logic:

The proviso to Rule 8(1) states that in cases of urgency and with the approval of the Prime Minister this consultation requirement may be dispensed with but the case must be brought to other Divisions at the earliest opportunity.

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Education QUESTION #6894

Question 6914

A teacher avoids red pens when providing written feedback to students and instead uses green pens. What is the THEORETICAL rationale behind this practice in the context of classroom management and student development?

Red ink is harder to read and therefore reduces the clarity of feedback
Green ink is associated with growth and positive affect, reducing the negative emotional response that red markings — associated with error and failure — can trigger, thereby protecting student self-efficacy✔️
Green ink is more permanent and less easily erased, ensuring students cannot hide corrective feedback
This is merely a personal preference with no documented rationale in educational theory

Correct Answer Logic:

This practice is grounded in affective learning theory and self-efficacy research. Red marks have strong culturally conditioned associations with failure, error, and shame. Using green — associated with growth — is a deliberate choice to deliver corrective feedback in a manner that does not trigger a defensive emotional response or undermine a student's belief in their own capacity to improve.

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Accounting & Finance QUESTION #9636

Question 6915

In a Single Entry system, a trader's Opening Capital was Rs. 100,000 and Closing Capital Rs. 145,000. During the year drawings were Rs. 30,000 and fresh capital introduced was Rs. 15,000. What is the Net Profit for the year?

Rs. 60,000✔️
Rs. 45,000
Rs. 75,000
Rs. 30,000

Correct Answer Logic:

Net Profit = Closing Capital + Drawings – Opening Capital – Fresh Capital = 145,000 + 30,000 – 100,000 – 15,000 = Rs. 60,000. The Statement of Profit or Loss reverses the owner's equity equation to isolate profit.

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Mathematics QUESTION #7455

Question 6916

If the image of the point $P(1, -2, 3)$ in the plane $2x + 3y - 4z + 22 = 0$ measured parallel to the line $\frac{x}{1} = \frac{y}{4} = \frac{z}{5}$ is Q, then PQ is equal to:

$3\sqrt{5}$
$2\sqrt{42}$
$\sqrt{42}$
$6\sqrt{5}$✔️

Correct Answer Logic:

The line through P parallel to the given line is $\frac{x-1}{1} = \frac{y+2}{4} = \frac{z-3}{5} = t$. Points on this line: $(1+t, -2+4t, 3+5t)$. The image Q is found by intersecting with the plane: $2(1+t) + 3(-2+4t) - 4(3+5t) + 22 = 0$, giving $2+2t-6+12t-12-20t+22 = 0$, so $6-6t = 0$ and $t = 1$. The point on the plane is $(2, 2, 8)$. Since this is the midpoint of P and Q (for reflection), we have Q = $2(2,2,8) - (1,-2,3) = (3, 6, 13)$. Distance PQ = $\sqrt{(3-1)^2+(6+2)^2+(13-3)^2} = \sqrt{4+64+100} = \sqrt{168} = 2\sqrt{42}$. But wait, the problem says 'measured parallel to', not 'reflection in'. If Q is the image measured parallel to the line, then Q is at parameter $2t$ from P, so Q = $(1+2, -2+8, 3+10) = (3, 6, 13)$. PQ = $\sqrt{4+64+100} = \sqrt{168} = 2\sqrt{42}$. This is option B, but the correct answer given is D. Let me reconsider the problem statement.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3145

Question 6917

The inner lining of the uterus that is shed during menstruation is the:

Myometrium
Perimetrium
Endometrium✔️
Epimetrium

Correct Answer Logic:

The endometrium thickens each month in preparation for pregnancy.

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Civil Procedure QUESTION #3738

Question 6918

In a medical malpractice case, the plaintiff's lawyer wants to introduce a page from a standard medical textbook to prove the 'standard of care.' Is this allowed?

No, textbooks are hearsay.
Yes, under the 'Learned Treatises' exception, but only if an expert witness relies on it or it is called to the expert's attention.✔️
Yes, but only if the author of the textbook is present in court.
No, unless the defendant agrees.

Correct Answer Logic:

Rule 803(18) allows statements from learned treatises to be read into evidence if the treatise is established as a reliable authority and an expert witness is on the stand.

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Ability / HR / Governance / Special Education QUESTION #1898

Question 6919

Under the proviso to Rule 5(1)(iii) the opportunity to show cause can be denied in what specific circumstance?

When the accused is abroad
When the accused has a previous conviction
In the interest of the security of Pakistan or any part thereof where the authority is satisfied it is not expedient✔️
When an Inquiry Committee has already been constituted

Correct Answer Logic:

The proviso to Rule 5(1)(iii) allows denial of show cause opportunity only when the authority is satisfied that in the interest of security of Pakistan it is not expedient to give such opportunity.

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General Abilities QUESTION #7954

Question 6920

The diameter of a round table is 7 metres. How far will a person walk when going once around it?

10 metres
15 metres
18 metres
22 metres✔️

Correct Answer Logic:

Circumference $= \pi d = \dfrac{22}{7} \times 7 = 22$ metres.

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