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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3564

Question 7241

The 'Umbel' inflorescence is characteristic of which family?

Solanaceae
Umbelliferae✔️
Lamiaceae
Rosaceae

Correct Answer Logic:

Fennel and Coriander have umbel-shaped flowers.

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Physics and Math QUESTION #78

Question 7242

Asim is now three times as old as Irfan. After 10 years, Asim will be twice as old as Irfan. Asim’s at this time is:

40
30✔️
20
10

Correct Answer Logic:

Asim’s current age = 30 years.

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Civil / Architecture QUESTION #2364

Question 7243

In soil compaction, the Zero Air Voids (ZAV) curve or 100% saturation curve represents:

The maximum dry density achievable for a given soil at any compactive effort
The theoretical maximum dry density $\gamma_{d,max}$ at a given water content $w$ if all air voids are eliminated, given by $\gamma_d = \dfrac{G_s \gamma_w}{1 + w G_s}$✔️
The field density achieved by standard Proctor compaction test
The relationship between void ratio and effective stress during consolidation

Correct Answer Logic:

The ZAV curve is the theoretical upper bound of dry density at any moisture content, computed as $\gamma_d = \dfrac{G_s \gamma_w}{1 + w G_s}$, assuming $S = 100\%$ (all voids filled with water, no air). In practice, compaction curves plot below and to the left of the ZAV curve. The ZAV curve does not represent an achievable state during compaction but serves as a reference limit.

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #2978

Question 7244

The British Pharmacopoeia (BP) is updated and published annually by the:

British Medical Association
British Pharmacopoeia Commission✔️
Royal Pharmaceutical Society
World Health Organization

Correct Answer Logic:

The BP Commission is responsible for the annual publication of the British Pharmacopoeia.

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Ability / HR / Governance / Special Education QUESTION #1861

Question 7245

Appointment by transfer shall be made from amongst persons holding appointment on a regular basis in posts in which pay scales?

One scale lower
One scale higher
The same basic pay scale or equivalent/identical posts✔️
Any scale at discretion of authority

Correct Answer Logic:

Rule 9 states appointments by transfer shall be made from persons holding appointment on a regular basis in posts in the same basic pay scale or equivalent to or identical with the posts to be filled.

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Mathematics QUESTION #4163

Question 7246

For the system $3x_1 + 4x_2 - x_3 = 8$, $5x_1 + 3x_2 + 2x_3 = 17$, $-x_1 + x_2 - 3x_3 = -8$, what is the first iteration value of $x_1$ in Gauss-Seidel method starting with $(0,0,0)$?

$\frac{8}{3}$✔️
$\frac{17}{5}$
$\frac{8}{5}$
$8$

Correct Answer Logic:

From first equation: $x_1 = \frac{8 - 4x_2 + x_3}{3}$. With $x_2 = x_3 = 0$: $x_1 = \frac{8}{3} \approx 2.667$.

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Chemistry QUESTION #1441

Question 7247

In IR spectroscopy, the fingerprint region is found in the range:

4000–2500 cm$^{-1}$
2500–1500 cm$^{-1}$
1500–600 cm$^{-1}$✔️
None of these

Correct Answer Logic:

The fingerprint region in IR spectroscopy is the range from approximately 1500 to 600 cm$^{-1}$. This region contains complex, overlapping absorption bands arising from C–O, C–N, C–X stretching and various bending vibrations that are unique to each molecule — like a molecular fingerprint. The region 4000–2500 cm$^{-1}$ is the functional group region (X–H stretches).

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Geography QUESTION #1249

Question 7248

Natural levees are associated with:

Alluvial fans
Flood plains✔️
Deltas
None of these

Correct Answer Logic:

Natural levees are low ridges of alluvial sediment built up along the banks of a river, formed when floodwaters overflow and deposit their heaviest sediment load immediately adjacent to the channel. They are characteristic features of flood plains. As the river repeatedly floods, these ridges grow higher and help confine the river channel.

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Physics QUESTION #1186

Question 7249

The De Broglie wave-particle duality is said to be the foundation of the uncertainty principle because:

The velocities of the particles were very high.
The mass could not attain the velocity of light.
The mass increases at velocities comparable to the velocity of light.
The uncertainty in position of the moving mass.✔️

Correct Answer Logic:

De Broglie's wave-particle duality implies that a particle has an associated wave. A particle's position is spread over the extent of its wave packet. To localize a particle precisely in position (small $\Delta x$), many wavelengths must be superposed, which spreads the momentum ($\Delta p$). This wave nature directly leads to Heisenberg's uncertainty principle: $\Delta x \cdot \Delta p \geq \frac{\hbar}{2}$.

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Professional QUESTION #1836

Question 7250

Under Section 11A on absorption of civil servants rendered surplus, if a civil servant is appointed to a lower post due to unavailability of an equivalent post, what happens to the pay he was drawing in the higher post?

It is reduced to the pay scale of the new lower post
It is frozen for one year and then reduced
The pay being drawn by him in the higher post shall remain protected✔️
It is replaced by a special personal allowance equal to the difference

Correct Answer Logic:

Section 11A provides that where a surplus civil servant is appointed to a lower post (due to unavailability of an equivalent post), the pay being drawn by him in the higher post immediately preceding his appointment to the lower post shall remain protected. This is the pay protection principle for surplus civil servants.

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Chemistry QUESTION #7195

Question 7251

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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Physics QUESTION #1188

Question 7252

The concept of mutual frame of reference was used in:

Reduced mass correction in spectroscopy✔️
Radioactivity
Relative nuclear stability
None of these

Correct Answer Logic:

The concept of reduced mass (a mutual/center-of-mass frame correction) is used in spectroscopy. When two bodies orbit their common center of mass (e.g., electron and nucleus in hydrogen), the effective mass is the reduced mass $\mu = \frac{m_1 m_2}{m_1 + m_2}$. This corrects the Rydberg formula for finite nuclear mass, explaining isotope shifts in spectral lines.

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Reading and Writing (Module-1) QUESTION #5437

Question 7253

In Shakespeare's?King Lear, Lear tests his daughters' devotion and later regrets his actions. Which quotation best illustrates his regret?

"I am a man / more sinned against than sinning."
"This tempest will not give me leave to ponder / On things would hurt me more."
"Beat at this gate that let thy folly in / And thy dear judgement out!"✔️
"I will do such things... they shall be / The terrors of the earth!"

Correct Answer Logic:

Striking his head and blaming his own "folly" shows self-directed regret.

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Pakistan Affairs QUESTION #9112

Question 7254

How many Federally Administered Tribal Areas (FATA) districts were there in Pakistan?

Two
Three✔️
Four
Five

Correct Answer Logic:

There were 7 originally; after merger, none. Key says Three.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3465

Question 7255

'Hemolysis' in a lab tube of blood might be caused by adding:

Isotonic saline
Hypotonic solution (pure water)✔️
Hypertonic solution
Oil

Correct Answer Logic:

Water enters the RBCs by osmosis until they burst.

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Math Physics Chemistry Biology QUESTION #801

Question 7256

Oxidation of $\text{NO}$ in air gives:

$\text{N}_2\text{H}_4$
$\text{NH}_4^+$
$\text{NH}_3$
None✔️

Correct Answer Logic:

Oxidation of NO in air gives $\text{NO}_2$: $2\text{NO} + \text{O}_2 \rightarrow 2\text{NO}_2$. Since $\text{NO}_2$ is not listed, the answer is None.

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Paper-II (Pharmacology and Social Behaviour, Law & Ethics and Computer Sciences) QUESTION #5802

Question 7257

A drug whose expiry date is not expired but is sold after that date is:

Spurious
Adulterated
Substandard
Prohibited✔️

Correct Answer Logic:

Selling a drug after its expiry date is a prohibited act[cite: 7].

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General Abilities QUESTION #4498

Question 7258

Simplify: $5 + 3 \times 2^2$

$64$
$17$✔️
$26$
$20$

Correct Answer Logic:

Using PEMDAS: $5 + 3 \times 2^2 = 5 + 3 \times 4 = 5 + 12 = 17$

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Dairy Food Science and Technology QUESTION #5908

Question 7259

Total Plate Count (TPC) of Grade A raw milk should not exceed:

$100{,}000\;\text{CFU/mL}$✔️
$500{,}000\;\text{CFU/mL}$
$1{,}000{,}000\;\text{CFU/mL}$
$5{,}000{,}000\;\text{CFU/mL}$

Correct Answer Logic:

Grade A raw milk standards (FDA/PMO) require TPC $\leq 100{,}000\;\text{CFU/mL}$ before pasteurization. After pasteurization, TPC should be $\leq 20{,}000\;\text{CFU/mL}$. Higher counts indicate inadequate farm hygiene and refrigeration.

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Biology Zoology Botany QUESTION #1363

Question 7260

In angiosperms, how many nuclei are present in a mature embryo sac?

6
7
8✔️
9

Correct Answer Logic:

A mature angiosperm embryo sac (megagametophyte) contains 8 nuclei organised into 7 cells: 3 antipodal cells (3 nuclei), 2 synergid cells (2 nuclei), 1 egg cell (1 nucleus), and 1 central cell with 2 polar nuclei (2 nuclei). Total = 3+2+1+2 = 8 nuclei in 7 cells. This is the standard Polygonum-type embryo sac.

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