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English QUESTION #2735

Which sentence correctly converts 'They completed the project' to PASSIVE VOICE?

The project is completed by them.
The project completed by them.
The project was completed by them.✔️
The project has been completed by them.

Correct Answer Logic:

Simple past active voice converts to simple past passive using was/were + past participle. 'The project was completed by them' is the correct conversion.

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Agronomy QUESTION #2082

Question 2902

The seed germination vigor test differs from a standard germination test in that:

Vigor tests measure the percentage of seeds producing normal seedlings under optimal controlled conditions identical to the germination test
Vigor tests assess the capacity of seed lots to perform under sub-optimal or stressful field conditions — using accelerated aging, cold test, or electrical conductivity — providing a more reliable prediction of field emergence than standard germination percentage alone✔️
Vigor tests are only applicable to vegetatively propagated crops
Vigor tests measure seed moisture content rather than germination capacity

Correct Answer Logic:

Standard germination tests use optimal conditions (temperature, moisture, light) that rarely exist in fields. Seed vigor tests (accelerated aging at 41°C/100% RH for 48–72 hrs; cold test at 10°C; electrical conductivity of seed leachate) assess membrane integrity and metabolic reserve — predicting field performance under stress. High germination% but low vigor = poor field emergence.

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Nursing QUESTION #9262

Question 2903

A 14-month-old child is brought with refusal to walk, irritability, bony swellings at costochondral junctions (rachitic rosary), and Harrison's sulcus. X-ray shows cupping and fraying of metaphyses. The MOST likely diagnosis and its PRIMARY pathophysiology is:

Scurvy; vitamin C deficiency causing impaired collagen synthesis
Nutritional Rickets; vitamin D deficiency causing impaired calcium and phosphate metabolism✔️
Osteogenesis imperfecta; collagen type I defect
Congenital hypothyroidism; thyroid hormone deficiency

Correct Answer Logic:

Nutritional Rickets — deficiency of Vitamin D leading to impaired bone mineralization.

Pathophysiology:

\[\downarrow \text{Vit D} \Rightarrow \downarrow \text{Ca}^{2+}\,\text{absorption (gut)} \Rightarrow \downarrow \text{Serum Ca}^{2+} \Rightarrow \uparrow \text{PTH} \Rightarrow \downarrow \text{Phosphate (renal loss)} \Rightarrow \text{Impaired mineralization}\]

Clinical features:

Rachitic rosary: Bony swellings at costochondral junctions
Harrison's sulcus: Horizontal groove along lower chest (diaphragm pull)
Craniotabes: Ping-pong ball sensation (skull)
Bossing: Frontal bossing
Widened wrists/ankles
Bow legs (genu varum) or knock knees
Delayed dentition, hypocalcemic tetany

Labs: $\downarrow$ Ca, $\downarrow$ PO₄, $\uparrow$ ALP (markedly), $\uparrow$ PTH, $\downarrow$ 25-OH Vitamin D

X-ray: Cupping, fraying, splaying of metaphyses (especially distal radius)

Treatment: Vitamin D $1000{-}5000\,\text{IU/day}$ for 3 months + calcium supplementation.

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CISA QUESTION #1746

Question 2904

What term describes the decentralized control approach that allows individuals to make decisions based on their own judgment?

Executive
Discretionary✔️
Detailed
Mandatory

Correct Answer Logic:

Discretionary control is a decentralized method where someone makes decisions based on their own assessment rather than a formal centralized authority. Auditors should investigate who makes decisions and how, as this is often where control failures are found.

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Mathematics QUESTION #11169

Question 2905

Which of the following are open in the usual metric space $(\mathbb{R},d)$?

Subsets of $\mathbb{R}$
Union of open intervals✔️
Intervals
Singleton subsets

Correct Answer Logic:

In the usual metric on $\mathbb{R}$, the open sets are precisely the unions of open intervals. A union of open intervals is always open. Arbitrary subsets may not be open; closed intervals like $[a,b]$ are not open; singletons $\{x\}$ are closed (not open) in $\mathbb{R}$ with usual metric.

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Pakistan Affairs QUESTION #9117

Question 2906

Which bank provided an Rs. 80 million loan to the Government of Pakistan when the Reserve Bank of India withheld Pakistan's share?

National Bank of Pakistan
Habib Bank Limited✔️
United Bank Limited
Muslim Commercial Bank

Correct Answer Logic:

Habib Bank (HBL) provided the crucial loan.

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English QUESTION #2717

Question 2907

Find the correctly spelled word:

Occurrence✔️
Ocurence
Occurence
Occurance

Correct Answer Logic:

'Occurrence' is spelled with double 'c' and double 'r'.

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Federal Rules of Evidence (US) QUESTION #3789

Question 2908

In a trial for bank fraud, the prosecution offers a summary chart of 5,000 separate wire transfers. The defense objects that the actual wire transfer records were not introduced. How should the court rule?

Sustain, because the actual records are the 'Best Evidence' under Rule 1002.
Overrule, under Rule 1006 (Summaries to Prove Content), provided the underlying records are voluminous and were made available to the defense for inspection.✔️
Sustain, unless the chart was prepared by a certified public accountant.
Overrule, because charts are always admissible as 'demonstrative evidence.'

Correct Answer Logic:

Rule 1006 allows a party to use a summary, chart, or calculation to prove the content of voluminous writings that cannot be conveniently examined in court, provided the originals are available for inspection.

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Agronomy QUESTION #2088

Question 2909

Soil health is conceptually distinct from soil fertility because:

Soil health refers only to chemical nutrient status while fertility includes biological indicators
Soil health encompasses the integrated capacity of soil to function as a living ecosystem — sustaining plant and animal productivity, maintaining or enhancing water and air quality, and promoting plant and animal health — including biological (microbial biomass, earthworms), physical (aggregate stability), and chemical (pH, CEC) dimensions✔️
Soil fertility is a broader concept than soil health
Soil health is measured only through crop yield response to fertilizer application

Correct Answer Logic:

Soil health (soil quality) is a holistic concept integrating biological, physical, and chemical soil functions. Soil fertility is a subset referring specifically to nutrient supply capacity. Key soil health indicators include: microbial biomass carbon, soil respiration, aggregate stability, infiltration rate, organic carbon content, earthworm populations, and compaction resistance — measured through the Soil Management Assessment Framework (SMAF) or Cornell CASH.

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English QUESTION #8506

Question 2910

The debate adjourned _______ the following week.

with
for
into
to✔️

Correct Answer Logic:

'Adjourned to' a later time.

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Chemistry QUESTION #7188

Question 2911

Determine the oxidation states of Chromium ($Cr$) in the following three species respectively: $[Cr(C_{6}H_{6})_{2}]$, $[Cr(H_{2}O)_{6}]Cl_{3}$, and $K_{2}[Cr(CN)_{2}(O)_{2}(O_{2})(NH_{3})]$.

$+3, 0, and +6$✔️
$+3, 0, and +4$
$+3, +4, and +6$
$+3, +2, and +4$

Correct Answer Logic:

Calculation of oxidation states:

$[Cr(C_{6}H_{6})_{2}]$: Benzene is a neutral ligand, so $Cr$ is in $0$ oxidation state.
$[Cr(H_{2}O)_{6}]Cl_{3}$: $H_{2}O$ is neutral and there are 3 $Cl^{-}$ ions, so $x + 0 = +3 \Rightarrow x = +3$.
$K_{2}[Cr(CN)_{2}(O)_{2}(O_{2})(NH_{3})]$: $K$ is $+1$, $CN$ is $-1$, $O$ (oxo) is $-2$, $O_{2}$ (peroxo) is $-2$, and $NH_{3}$ is $0$. $2(+1) + x + 2(-1) + 2(-2) + (-2) + 0 = 0 \Rightarrow x = +6$.

[cite: 13]

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3371

Question 2912

'Endemic' means a disease is:

Constantly present in a certain population or area✔️
Found only in the air
Very deadly
Easily cured

Correct Answer Logic:

For example, Malaria is endemic in certain tropical regions.

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The Elections Act 2017 QUESTION #9467

Question 2913

Section 177 defines canvassing within a radius of the polling station as an illegal practice. The prohibited radius for canvassing for votes, soliciting voters, or persuading them not to vote on polling day is:

One hundred meters
Two hundred meters
Four hundred meters✔️
Five hundred meters

Correct Answer Logic:

Section 177(a) states: 'within a radius of four hundred meters of a polling station — (i) canvasses for votes; (ii) solicits the vote of any voter; (iii) persuades any voter not to vote at the election or for a particular candidate.'

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Boilers Mechanical Engineering QUESTION #2470

Question 2914

A helical compression spring has $N_a$ active coils, mean coil diameter $D$, wire diameter $d$, and shear modulus $G$. The spring stiffness (spring rate) $k$ is:

$k = \frac{Gd^4}{8D^3 N_a}$✔️
$k = \frac{Gd^3}{8D^4 N_a}$
$k = \frac{8FD^3 N_a}{Gd^4}$
$k = \frac{Gd^4}{8D^3}$

Correct Answer Logic:

The spring rate: $k=F/\delta=Gd^4/(8D^3N_a)$. Note that $k \propto d^4$ (strong wire diameter dependence) and $k \propto 1/N_a$ (more coils = softer spring).

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Political Science QUESTION #6694

Question 2915

The tenure of the US President is:

4 Years✔️
5 Years
6 Years
None of these

Correct Answer Logic:

The US President is elected for a four-year term and can serve a maximum of two terms.

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General Knowledge QUESTION #11559

Question 2916

The tangible, physical machinery of a computer system is called:

Software
Hardware✔️
Humanware
All of these

Correct Answer Logic:

Hardware refers to the physical, tangible components of a computer — CPU, RAM, motherboard, hard drive, keyboard, monitor, mouse, and other peripherals. This contrasts with software (intangible programs and data). Hardware is the physical infrastructure on which software runs.

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MBBS QUESTION #10335

Question 2917

A malnourished child presents with severe generalized edema, a distended abdomen with fatty liver, and skin/hair depigmentation, but with relatively preserved subcutaneous fat and an overall adequate total caloric intake apart from protein. This clinical picture is classic for:

Marasmus (a predominantly caloric/energy deficiency)
Kwashiorkor (a predominantly protein deficiency despite adequate total calories)✔️
Isolated vitamin A deficiency
Simple short-term starvation with normal serum albumin

Correct Answer Logic:

Kwashiorkor's edema reflects hypoalbuminemia from inadequate protein intake despite sufficient caloric intake (often from a diet with adequate starch but little protein); fatty liver results from impaired lipoprotein (apolipoprotein) synthesis needed to export hepatic triglycerides, distinguishing it from marasmus, where both protein and calories are severely deficient.

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Ability / HR / Governance / Special Education QUESTION #1891

Question 2918

Under Rule 9 when a borrowing authority wants to initiate disciplinary proceedings against a deputationist what must it do FIRST?

Directly suspend the government servant
Forward a report with supporting documents to the lending authority✔️
Refer the matter to the Federal Public Service Commission
Issue a show cause notice directly to the accused

Correct Answer Logic:

Rule 9 requires the borrowing authority to forward to the lending authority a report with supporting documents before any disciplinary action; the lending authority then takes action under the rules.

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Ability / HR / Governance / Special Education QUESTION #1811

Question 2919

Which rule of PPRA Rules 2004 explicitly states that any unauthorized breach of these rules shall amount to mis-procurement?

Rule 47
Rule 49
Rule 50✔️
Rule 51

Correct Answer Logic:

Rule 50 contains the specific provision that any unauthorized breach of the PPRA Rules 2004 shall amount to mis-procurement. This rule is concise but carries significant legal weight as it defines the threshold for regulatory violation in the procurement framework.

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Electronics Engineering QUESTION #11709

Question 2920

In a PFC (Power Factor Correction) boost pre-regulator, the input current waveform is shaped to follow the input voltage. At rated load with $\text{PF} = 0.99$, what is the approximate THD of the input current?

~14%✔️
~5%
~1%
~40%

Correct Answer Logic:

The relationship between PF, displacement factor (DF), and THD is: $\text{PF} = \text{DF} \times \dfrac{1}{\sqrt{1+(\text{THD})^2}}$. For near-unity DF and PF = 0.99: $0.99 \approx \dfrac{1}{\sqrt{1+\text{THD}^2}}$, giving $\text{THD} \approx \sqrt{(1/0.99)^2 - 1} \approx \sqrt{0.0203} \approx 14\%$. Active PFC targets THD < 5% for high-quality designs.

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