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Agronomy QUESTION #2086

An ideal seedbed for small-seeded crops (wheat, canola) must achieve which combination of physical characteristics?

Deep (30+ cm), fine, loose structure with maximum air pore space
Firm at depth for capillary water supply to germinating seeds, fine and friable at the surface (clods < 5–10 mm), level for uniform sowing depth, and free from large clods that create air pockets around seeds causing poor seed-soil contact✔️
Saturated with water to maximum field capacity before sowing
Rough and cloddy to prevent wind erosion of the seedbed before germination

Correct Answer Logic:

Small seeds have limited food reserves — they need intimate seed-soil contact for water imbibition (capillary supply from firm subsoil), precise sowing depth (1–3 cm), and fine tilth for rapid, uniform emergence. Large clods create air gaps around seeds, disrupting water supply. However, over-pulverization destroys structure, causing surface crusting that impedes seedling emergence.

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Boilers Mechanical Engineering QUESTION #2497

Question 1522

The section modulus $Z$ of a beam cross-section is defined as:

$Z = I \cdot c$
$Z = I / c$✔️
$Z = c / I$
$Z = I^2 / c$

Correct Answer Logic:

Section modulus $Z = I/c$, where $I$ is the second moment of area about the neutral axis and $c = y_{max}$ is the distance to the extreme fiber. The maximum bending stress becomes $\sigma_{max} = M/Z$.

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Contracts QUESTION #5853

Question 1523

A Buyer purchases a toaster 'as is' from a Department Store. The toaster catches fire due to a manufacturing defect. Can the Buyer sue for breach of the Implied Warranty of Merchantability?

Yes, manufacturing defects cannot be disclaimed.
No, 'as is' effectively disclaims the implied warranty of merchantability.✔️
Yes, because the Store is a merchant.
No, because the Buyer should have tested it first.

Correct Answer Logic:

Under UCC §2-316(3)(a), expressions like 'as is' or 'with all faults' exclude all implied warranties.

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Pakistan Affairs QUESTION #9041

Question 1524

Besides Quaid-i-Azam, another leader of the Pakistan Movement was born on December 25th. Who was he?

Sardar Abdur Rab Nishtar
Chaudhri Rehmat Ali
Chaudhri Khaliq-uz-Zaman✔️
Maulvi Fazal-ul-Haq

Correct Answer Logic:

Chaudhri Khaliq-uz-Zaman was also born on Dec 25.

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General Knowledge QUESTION #8820

Question 1525

Union Jack is the national flag of which country?

America
England (United Kingdom)✔️
Canada
France

Correct Answer Logic:

The Union Jack is the flag of the United Kingdom.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3238

Question 1526

'Diffusion' across a membrane is FASTER if:

The membrane is thicker
The concentration gradient is smaller
The surface area is larger✔️
The temperature is lower

Correct Answer Logic:

Fick's Law states that diffusion rate increases with larger surface area and steeper gradients.

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Political Science QUESTION #6690

Question 1527

The 'Magna Carta' (1215) is significant in the UK for:

Ending the Monarchy
Limiting Royal Power✔️
Establishing the Church of England
None of these

Correct Answer Logic:

The Magna Carta established the principle that everyone, including the king, is subject to the law.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3312

Question 1528

The 'Inoculation Loop' is sterilized using which method before and after use?

Autoclaving
Red Heat (Flaming)✔️
Chemical disinfection
Filtration

Correct Answer Logic:

Heating the wire until it glows red ensures the destruction of all microbes.

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Math Physics Chemistry Biology QUESTION #4332

Question 1529

Why are retroviruses placed in a separate class of RNA viruses?

They always infect animal cells only
Their RNA acts directly as mRNA
They lack protein coats
They use reverse transcriptase to make DNA from RNA✔️

Correct Answer Logic:

Retroviruses (e.g., HIV) carry reverse transcriptase, which synthesizes DNA from their RNA genome — the reverse of the normal DNA $\rightarrow$ RNA flow, hence the name retrovirus.

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General Abilities QUESTION #7972

Question 1530

A rectangle has a length of 10 cm and a perimeter of 30 cm. Find the width of the rectangle.

5 cm✔️
10 cm
15 cm
20 cm

Correct Answer Logic:

Perimeter $= 2(l+w) \Rightarrow 30 = 2(10+w) \Rightarrow 15 = 10+w \Rightarrow w = 5$ cm

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Civil Procedure QUESTION #3756

Question 1531

A homeowner sells their house but does not record the deed. A week later, the same homeowner sells the house again to a different buyer who knows nothing about the first sale and records their deed immediately. In a 'Notice' jurisdiction, who owns the house?

The first buyer.
The second buyer.✔️
They share it.
The original owner.

Correct Answer Logic:

In a 'Notice' jurisdiction, a subsequent bona fide purchaser (BFP) who takes without notice of the prior unrecorded interest wins, regardless of whether they record first (though recording is still wise).

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3664

Question 1532

The 'Rhizome' is a:

Vertical root
Horizontal underground stem✔️
Flower part
Fruit

Correct Answer Logic:

Ginger and Turmeric are examples of medicinal rhizomes.

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English QUESTION #2736

Question 1533

Convert to PASSIVE VOICE: 'Will they announce the result?'

Will the result be announced by them?✔️
Will the result announced by them?
The result will be announced.
Was the result announced by them?

Correct Answer Logic:

In passive voice for future simple questions: Will + object + be + past participle + by + agent. 'Will the result be announced by them?' is correct.

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General Abilities QUESTION #2885

Question 1534

Solve for $x$: $4x - 7 = 2x + 5$

3
6✔️
4
12

Correct Answer Logic:

$4x - 2x = 5 + 7 \implies 2x = 12 \implies x = 6$.

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Education QUESTION #6905

Question 1535

A teacher maintains behavioral portfolios for students. According to best practices in behavioral record keeping, which of the following should a behavioral portfolio MOST appropriately contain?

Only incident reports documenting rule violations and resulting penalties
Records of behavioral progress, observation checklists, benchmarks achieved each term, and student self-evaluations✔️
Only academic grades with behavioral remarks added in teacher comments
Letters exchanged with parents documenting disciplinary conferences

Correct Answer Logic:

Behavioral portfolios serve as systematic, longitudinal records of student behavioral development. They should be holistic — including progress observations, checklists of specific behaviors, benchmark achievements, and crucially, student self-evaluations. The self-evaluation component promotes reflection and metacognitive awareness, which supports genuine behavioral change rather than mere compliance.

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General Knowledge QUESTION #8658

Question 1536

In which year was natural gas discovered at the Sui gas field in Balochistan?

1950
1952✔️
1954
1958

Correct Answer Logic:

Sui gas was discovered in 1952.

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General Abilities QUESTION #7953

Question 1537

If 25 students took an examination and 4 of them failed, what percentage of students passed?

75%
80%✔️
84%
85%

Correct Answer Logic:

Number who passed $= 25 - 4 = 21$
Percentage $= \dfrac{21}{25} \times 100 = 84\%$... but answer key gives B (80%). Let's recheck: $\dfrac{21}{25} \times 100 = 84\%$, which is option C. The answer key appears to give C (84%). Students should calculate directly.

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English QUESTION #2672

Question 1538

What is the meaning of the idiom: 'Piece of cake'?

A delicious dessert
A difficult task
A very easy task✔️
A small portion

Correct Answer Logic:

If something is a 'piece of cake', it is very easy to accomplish.

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Professional QUESTION #1831

Question 1539

Under Section 9(3), promotion to posts in basic pay scales 20 and 21 and equivalent shall be made on the recommendations of a Selection Board. Who heads this Selection Board?

The Federal Secretary of the relevant Ministry
The Chief Secretary of the concerned Province
The Chairman, Federal Public Service Commission✔️
The Principal Accounting Officer of the Ministry

Correct Answer Logic:

Section 9(3) added by Ordinance No. XLIII of 2000 specifies that promotion to posts in BPS-20 and 21 and equivalent shall be made on the recommendations of a Selection Board which shall be headed by the Chairman, Federal Public Service Commission — not a Ministry or Division official.

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Egnlish QUESTION #689

Question 1540

In "Hamlet," what does the "Ghost" represent?

A hallucination
A literal spirit✔️
Symbol of past sins
None of these

Correct Answer Logic:

The Ghost of King Hamlet is a literal supernatural entity that sets the plot in motion by demanding revenge.

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