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Electrical Engineering QUESTION #2171
Question 1
The Fourier transform of $\text{rect}(t/\tau)$ is $X(f) = \tau\,\text{sinc}(f\tau)$. For $\tau = 1\,\text{ms}$, the first spectral null occurs at:
  • $f = 1\,\text{kHz}$βœ”οΈ
  • $f = 500\,\text{Hz}$
  • $f = 2\,\text{kHz}$
  • $f = 100\,\text{Hz}$
Correct Answer Logic:
The first null of $\text{sinc}(f\tau)$ occurs at $f\tau = 1$, i.e., $f = 1/\tau = 1/10^{-3} = 1\,\text{kHz}$.
Uploaded by: Fani Warraich
General Knowledge QUESTION #8927
Question 2
The last week of September is observed as:
  • World Heart Day
  • World Maritime Dayβœ”οΈ
  • World Cancer Day
  • Scot Day
Correct Answer Logic:
World Maritime Day is in the last week of September.
Uploaded by: Fani Warraich
Islamic Studies QUESTION #342
Question 3
Which Imam was most extensive in the use of 'Masalih-e-Mursala' (Public Interest)?
  • Imam Shafi
  • Imam Abu Hanifa
  • Imam Malikβœ”οΈ
  • Imam Ahmad bin Hanbal
Correct Answer Logic:
Imam Malik used 'Masalih-e-Mursala' as a secondary source of law more extensively than others.
Uploaded by: Fani Warraich
English Literature QUESTION #10746
Question 4
Uncle Tom's Cabin is written by:
  • Cotton Mather
  • Sarah Orne Jewett
  • Harriet Beecher Stoweβœ”οΈ
  • Willa Cather
Correct Answer Logic:
Uncle Tom's Cabin; or, Life Among the Lowly (1852) was written by Harriet Beecher Stowe. It was a powerful anti-slavery novel that depicted the brutal conditions of American slavery and is widely credited with helping to energise the abolitionist movement. President Abraham Lincoln reportedly greeted Stowe by saying, 'So you're the little woman who wrote the book that started this great war.'
Uploaded by: Fani Warraich
Correct Answer Logic:
Extinction in classical conditioning occurs when the conditioned stimulus (CS) is repeatedly presented without the unconditioned stimulus (UCS), causing the conditioned response (CR) to gradually weaken and disappear. Importantly, extinction does not erase the original learning; spontaneous recovery (re-emergence of the CR after rest) demonstrates the original association is retained in memory.
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Correct Answer Logic:
Section 19(3) provides that no pension is admissible to a civil servant dismissed or removed for disciplinary reasons, but the Government may sanction compassionate allowance not exceeding two-thirds of the pension or gratuity which would have been admissible had he been invalided from service on the date of dismissal or removal.
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Islamic Studies QUESTION #7922
Question 7
The running between two hills Safa and Marwah seven times is called:
  • Rami
  • Waqaf
  • Say'eeβœ”οΈ
  • Tawaf
Correct Answer Logic:
Sa'ee is the ritual of walking seven times between the hills of Safa and Marwah in Makkah during Hajj or Umrah. It commemorates Hazrat Hajra's (AS) desperate search for water for her infant son Ismail (AS). This act resulted in the miraculous spring of Zamzam, which still flows today.
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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3566
Question 8
The 'Peltate' leaf of 'Podophyllum' is used as a:
  • Vitamin
  • Anticancer and Purgative agentβœ”οΈ
  • Flavor
  • Dye
Correct Answer Logic:
Podophyllum resin is used for warts and some cancers.
Uploaded by: Fani Warraich
English QUESTION #510
Question 9
INDOLENTLY
  • Lazilyβœ”οΈ
  • Indecently
  • Ideally
  • Gaily
Correct Answer Logic:
Indolently means lazily
Uploaded by: Fani Warraich
English QUESTION #4435
Question 10

If you want to be a writer, you must learn to develop your own point of view. All good writers make us see things in a different light. You may be writing about the same thing as your classmates, but your presentation must reflect your personality and individuality. There are so many interesting subjects you can write about in different forms but here we will try to attempt writing short stories. There is a good market for the following types: the humorous stories, the adventurous stories, the domestic stories, the mysteries and stories related to animals and strange experiences. Don’t worry if your story turns out to be short. Some of the best stories are quite short. Be very careful about the climax or end of the story. It must be what the reader fears, desires, expects or best of all doesn’t expect. So, get down to it. Think of a plot-make points on how the story will progress and pen it down.

    Sub-Questions:

    Question 1
    The most important thing about being a writer is that:
    • You must have a painful heart
    • You must have a degree in writing
    • You must learn to develop your own point of viewβœ”οΈ
    • You must have a pen and paper
    Question 2
    The narrator advises the reader to write in order to:
    • Encourage him to become a writerβœ”οΈ
    • Earn a livelihood
    • Make him famous among his people
    • Show his intelligence to others
    Question 3
    Most of the people like to read:
    • Horror stories
    • Social stories
    • Love stories
    • Humorous and adventurous storiesβœ”οΈ
    Question 4
    A successful writer’s presentation must reflect:
    • His handwriting
    • His superiority to others
    • His personality and individualityβœ”οΈ
    • His showy nature
    Correct Answer Logic:
    • The passage states that the most important thing for a writer is to develop their own point of view, as all good writers make us see things differently.
    • The narrator gives practical advice on writing short stories and developing plots, aiming to motivate the reader to start writing.
    • The passage explicitly mentions that there is a good market for humorous and adventurous stories, among other types.
    • The passage directly says that a writer's presentation must reflect his personality and individuality.
    Uploaded by: Fani Warraich
    The Elections Act 2017 QUESTION #9414
    Question 11
    Under Section 15(3), the Commission must pass orders on complaints within thirty days from receipt. However, the 2023 amendment added an important proviso that the Commission shall:
    • Suspend the relevant election proceedings pending complaint disposal
    • Make every effort to decide a complaint received before polling day, before that dayβœ”οΈ
    • Refer all pre-election complaints to the Federal Government
    • Stay the Election Programme until all complaints are resolved
    Correct Answer Logic:
    The proviso inserted by the 2023 amendment states: 'the Commission shall, before the day of polling, make every effort to decide a complaint received prior to that day.'
    Uploaded by: Fani Warraich
    Agronomy QUESTION #2056
    Question 12
    The plant-available water capacity (PAWC) of a soil is correctly expressed as:
    • The moisture content at field capacity only
    • \(PAWC = \theta_{FC} - \theta_{PWP}\), where \(\theta_{FC}\) is volumetric water content at field capacity (\(-33\) kPa) and \(\theta_{PWP}\) is at permanent wilting point (\(-1500\) kPa)βœ”οΈ
    • The total porosity of the soil minus bulk density
    • The gravitational water fraction that drains within 48 hours of saturation
    Correct Answer Logic:
    PAWC represents the reservoir of water accessible to plant roots. It equals the difference in volumetric water content between field capacity (βˆ’33 kPa, where drainage becomes negligible) and permanent wilting point (βˆ’1500 kPa, where plants cannot extract water). Sandy soils have low PAWC; loam soils have the highest.
    Uploaded by: Fani Warraich
    Nursing QUESTION #9251
    Question 13
    Which tool is used by ICU nurses to assess delirium in mechanically ventilated patients?
    • Mini-Mental State Examination (MMSE)
    • Confusion Assessment Method for ICU (CAM-ICU)βœ”οΈ
    • Abbreviated Mental Test Score (AMTS)
    • Richmond Agitation-Sedation Scale (RASS)
    Correct Answer Logic:
    Correct Answer: B β€” CAM-ICU

    The CAM-ICU (Confusion Assessment Method for the ICU) is the gold-standard bedside tool for delirium assessment in ICU patients, including those on mechanical ventilation who cannot speak.

    CAM-ICU has FOUR features:
    1. Acute onset or fluctuating course of mental status
    2. Inattention β€” patient cannot follow commands or complete attention tests
    3. Altered level of consciousness β€” RASS other than zero
    4. Disorganized thinking β€” cannot answer logic questions or follow commands
    CAM-ICU positive (delirium present): Features 1 AND 2 PLUS either Feature 3 OR Feature 4

    Types of ICU Delirium:
    • Hyperactive: Agitation, pulling lines β€” most recognized
    • Hypoactive: Quiet, withdrawn β€” most common, often missed
    • Mixed: Fluctuates between both
    Non-pharmacological management: Reorientation, early mobilization, sleep protocols, family presence.
    Uploaded by: Fani Warraich
    Education QUESTION #6753
    Question 14
    A researcher finds that a well-known mathematics aptitude test correlates strongly with students' later success in engineering programs. This evidence most directly supports which type of validity?
    • Content validity, because the test covers math topics found in engineering
    • Predictive criterion validity, because test scores are related to a future performance criterionβœ”οΈ
    • Concurrent criterion validity, because both measures exist at the same time
    • Construct validity, because mathematical aptitude is a theoretical construct
    Correct Answer Logic:
    Criterion validity is established by correlating test scores with an external criterion. When the criterion is measured at a future point in time (engineering success), this is predictive validity β€” a subtype of criterion validity. Content validity is about domain sampling; construct validity is about the underlying psychological construct. Concurrent validity uses a simultaneously-collected criterion.
    Uploaded by: Fani Warraich
    Physical Education QUESTION #6808
    Question 15
    Which of the following best describes the influence of 'Humanism' on physical culture?
    • It emphasized the dignity of man and the development of the 'whole person'βœ”οΈ
    • It advocated for the replacement of human teachers with machines
    • It promoted the idea that humans are naturally lazy and require coercion
    • It focused exclusively on the spiritual afterlife
    Correct Answer Logic:
    Humanism during the Renaissance revived the interest in physical education as essential for human dignity and holistic development.
    Uploaded by: Fani Warraich
    Math Physics Chemistry Biology QUESTION #4257
    Question 16
    Which layer of uterus nourishes the embryo after implantation?
    • Cervical epithelium
    • Myometrium
    • Endometriumβœ”οΈ
    • Perimetrium
    Correct Answer Logic:
    The endometrium is the innermost lining of the uterus that provides nutrition and support to the implanted embryo.
    Uploaded by: Fani Warraich
    Agronomy QUESTION #2054
    Question 17
    Which of the following statements about zero tillage (direct seeding) in the rice–wheat cropping system of South Asia is MOST agronomically accurate?
    • Zero tillage increases soil compaction, always reducing wheat yields below conventionally tilled wheat
    • Zero tillage allows timely wheat planting after rice harvest, reducing the turnaround period, conserving soil moisture, lowering production costs, and achieving equal or higher yields compared to conventional tillage when managed correctlyβœ”οΈ
    • Zero tillage is only beneficial in light sandy soils and fails in clay loam soils typical of rice–wheat zones
    • Zero tillage eliminates the need for all herbicide application in wheat
    Correct Answer Logic:
    In the rice–wheat system, delayed wheat planting after rice harvest is a major yield constraint. Zero tillage (using zero-till drills) reduces the turnaround period by 10–15 days, conserves residual soil moisture, reduces diesel use by 60–70%, and achieves comparable or higher yields than conventional tillage β€” demonstrated across millions of hectares in Pakistan, India, and Bangladesh.
    Uploaded by: Fani Warraich
    Geography QUESTION #6309
    Question 18
    In diffusion of innovation theory, which adopter category represents the critical mass for widespread acceptance?
    • Innovators (2.5%)
    • Early Adopters (13.5%)
    • Early Majority (34%)βœ”οΈ
    • Late Majority (34%)
    Correct Answer Logic:
    The Early Majority (34%) represents the critical mass or 'tipping point' in Rogers' diffusion model. Once this pragmatic group adopts an innovation, widespread acceptance becomes inevitable. They adopt just before the average member of society.
    Uploaded by: Fani Warraich
    Civil / Architecture QUESTION #2370
    Question 19
    In the context of Occupational Health and Safety (OHS), the Hierarchy of Controls for managing workplace hazards lists five levels in order of effectiveness. Which sequence is correct from MOST to LEAST effective?
    • Administrative controls β†’ PPE β†’ Substitution β†’ Engineering controls β†’ Elimination
    • Elimination β†’ Substitution β†’ Engineering controls β†’ Administrative controls β†’ PPEβœ”οΈ
    • PPE β†’ Administrative controls β†’ Engineering controls β†’ Substitution β†’ Elimination
    • Engineering controls β†’ Elimination β†’ PPE β†’ Substitution β†’ Administrative controls
    Correct Answer Logic:
    The Hierarchy of Controls from most to least effective is: (1) Elimination β€” physically remove the hazard; (2) Substitution β€” replace the hazard with something safer; (3) Engineering controls β€” isolate people from the hazard (guards, ventilation); (4) Administrative controls β€” change the way people work (procedures, training, schedules); (5) PPE β€” protect the worker with personal protective equipment. PPE is the last resort as it does not remove the hazard.
    Uploaded by: Fani Warraich
    Chemistry QUESTION #7150
    Question 20
    Identify the amphoteric hydroxide among the following group 2 elements.
    • $Be(OH)_{2}$βœ”οΈ
    • $Ca(OH)_{2}$
    • $Mg(OH)_{2}$
    • $Sr(OH)_{2}$
    Correct Answer Logic:
    Most group 2 hydroxides are basic and their basicity increases down the group. However, Beryllium ($Be$) is the first element and shows diagonal relationship with Aluminum. Due to its small size and high electronegativity, $Be(OH)_{2}$ is amphoteric, meaning it reacts with both acids and strong bases.
    Uploaded by: Fani Warraich