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Psychology QUESTION #1463
Question 421
Which type of validity is concerned with whether the test truly measures the concept it is intended to measure?
  • Content validity
  • Construct validityโœ”๏ธ
  • Criterion-related validity
  • Face validity
Correct Answer Logic:
Construct validity refers to the degree to which a test actually measures the theoretical construct (psychological concept) it purports to measure. For example, does an IQ test truly measure 'intelligence' as theoretically defined? Content validity concerns coverage of all relevant aspects of the construct; criterion-related validity concerns prediction of real-world outcomes; face validity is about surface appearance only.
Uploaded by: Fani Warraich
Nursing QUESTION #9134
Question 422
A gravida 2 para 1 at 39 weeks presents in active labor. Vaginal examination reveals: cervix 8 cm dilated, fully effaced, vertex at +1 station, occiput posterior position. After 2 hours, no progress is noted. What is the MOST likely cause of arrest of descent?
  • Cephalopelvic disproportion (CPD)
  • Occiput Posterior (OP) position causing malrotationโœ”๏ธ
  • Inadequate uterine contractions (hypotonic labor)
  • Cord prolapse
Correct Answer Logic:

Persistent Occiput Posterior (POP) position is a common cause of prolonged second stage and arrest of descent. In OP position:

  • The fetal head presents with a larger diameter to the pelvis: occipito-frontal diameter \(\approx 11.5\,\text{cm}\) vs. sub-occipito-bregmatic \(9.5\,\text{cm}\) in OA
  • Internal rotation from OP to OA requires \(135ยฐ\) rotation (vs. \(90ยฐ\) from OT, \(45ยฐ\) from OA)
  • Causes: anthropoid/android pelvis, deflexed head

Management options:

  • Manual rotation to OA (Barton's maneuver)
  • Expectant management if maternal/fetal condition good
  • Instrumental delivery: forceps (Kielland's rotational forceps) or rotational vacuum
  • Cesarean section if rotation fails or fetal distress

CPD is less likely in a multigravida who delivered previously without CPD. Hypotonic labor would show weak contractions on partograph/CTG.

Uploaded by: Fani Warraich
Pakistan Affairs QUESTION #320
Question 423
In which district is the Shrine of Shah Abdul Latif Bhittai located?
  • Hyderabad
  • Matiariโœ”๏ธ
  • Dadu
  • Thatta
Correct Answer Logic:
The shrine of the famous Sufi poet is located in Bhit Shah, which falls under District Matiari.+1
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Pakistan Affairs QUESTION #7695
Question 424
The Senate of Pakistan is elected for the term of:
  • 6 yearsโœ”๏ธ
  • 4 years
  • 5 years
  • None of these
Correct Answer Logic:
The Senate of Pakistan is elected for a term of six years, with half of its members retiring every three years. This ensures continuity and stability in the upper house of Pakistan's parliament.
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General Knowledge QUESTION #176
Question 425
Trump has threatened to take control of the Panama Canal due to:
  • Security issues
  • Fee Charges increase
  • Trade Dispute
  • None of theseโœ”๏ธ
Correct Answer Logic:
This refers to political rhetoric regarding Chinese influence over the canal.
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Paper-I (Pharmaceutics II (Industrial and Quality Control) and Pharmaceutics III (Hospital and Community Pharmacy)) QUESTION #5738
Question 426
A 'Consultant Pharmacy' practice differs from a 'Community Pharmacy' because it focuses more on:
  • Actual dispensing of drugs
  • Medication procedure reviewโœ”๏ธ
  • Surgical supplies
  • Retail sales of cosmetics
Correct Answer Logic:
Consultant pharmacy focuses on procedure review rather than dispensing.
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English QUESTION #8375
Question 427
Commence means:
  • Arrange
  • Understand
  • Try
  • Beginโœ”๏ธ
Correct Answer Logic:
Commence means to begin.
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General Abilities QUESTION #2856
Question 428
Factorize: \(x^2 - 5x + 6\)
  • \((x-2)(x-3)\)โœ”๏ธ
  • \((x+2)(x+3)\)
  • \((x-1)(x-6)\)
  • \((x-2)(x+3)\)
Correct Answer Logic:
We need two numbers that multiply to 6 and add to \(-5\): those are \(-2\) and \(-3\). So \(x^2 - 5x + 6 = (x-2)(x-3)\).
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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3233
Question 429
'Ascites' is the accumulation of fluid in the:
  • Lungs
  • Brain
  • Peritoneal (Abdominal) cavityโœ”๏ธ
  • Joints
Correct Answer Logic:
Ascites is often a complication of severe liver disease (cirrhosis).
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Pakistan Affairs QUESTION #286
Question 430
Why did Mahmud of Ghazni launch multiple invasions into India during the 11th century?
  • For territorial Expansion
  • For collecting economic resourcesโœ”๏ธ
  • For spreading Islam
  • For punishing Indian rulers
Correct Answer Logic:
His primary aim was to acquire the vast wealth of Indian temples to fund his Central Asian empire.
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Economics QUESTION #1704
Question 431
Pakistan's chronically low tax-to-GDP ratio โ€” among the lowest in South Asia โ€” is attributable to which combination of structural and institutional factors?
  • Disproportionate reliance on regressive indirect taxes
  • Agricultural sector exemptions and exclusion of large informal income from the tax net
  • Weak documentation of the tax base and inadequate enforcement capacity
  • All of theseโœ”๏ธ
Correct Answer Logic:
Pakistan's tax-to-GDP ratio (historically around 9โ€“11%) is explained by a confluence of factors: (1) heavy reliance on indirect taxes (sales tax, customs duties) rather than broad-based direct taxes; (2) constitutional and political exemptions for agriculture, despite its large economic size; (3) a large undocumented informal economy estimated at 35โ€“40% of GDP; and (4) weak FBR enforcement, narrow withholding tax net, and rampant tax evasion by powerful sectors.
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Math Physics Chemistry Biology QUESTION #801
Question 432
Oxidation of \(\text{NO}\) in air gives:
  • \(\text{N}_2\text{H}_4\)
  • \(\text{NH}_4^+\)
  • \(\text{NH}_3\)
  • Noneโœ”๏ธ
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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Planning QUESTION #4949
Question 433
What is the main purpose of Participatory Rural Appraisal (PRA)?
  • To impose external solutions
  • To involve communities in planning decisionsโœ”๏ธ
  • To conduct top-down surveys
  • To replace professional planners
Correct Answer Logic:
PRA involves local communities in identifying problems, analyzing situations, and planning solutions through participatory techniques, ensuring plans reflect genuine community needs and priorities.
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Correct Answer Logic:
$k = \frac{0.693}{3.33} = 0.208\ h^{-1}$. After $t=9$ h: $\ln\left(\frac{1}{f}\right) = kt = 0.208\times9 = 1.872$. $\log_{10}\left(\frac{1}{f}\right) = \frac{1.872}{2.303} = 0.8127$. Answer $= 0.8127\times10^{-2}\times10^{2}\approx81\times10^{-2}$, so the value is $\approx 81\times10^{-2}$, meaning the answer = 81.
Uploaded by: Fani Warraich
Agronomy QUESTION #2098
Question 435
Soil salinity is measured as electrical conductivity of saturated paste extract (\(EC_e\)) in dS/m. A soil with \(EC_e > 4\) dS/m is classified as saline because:
  • It exceeds the threshold for salt precipitation in the soil profile
  • Most sensitive crops (rice, beans, citrus) begin to show yield reduction above 4 dS/m โ€” this threshold was established by the USDA salinity laboratory as the boundary between non-saline and saline soils affecting sensitive crop speciesโœ”๏ธ
  • All crops show complete yield loss at this salinity level
  • The osmotic pressure at 4 dS/m equals the root pressure of most crops
Correct Answer Logic:
The USDA classification: non-saline (<2 dS/m), slightly saline (2โ€“4), moderately saline (4โ€“8), strongly saline (8โ€“16), very strongly saline (>16). The 4 dS/m threshold is agronomically significant because sensitive crops (beans, strawberry, rice) show measurable yield loss above this level. Tolerant crops (barley, cotton, sugar beet) withstand much higher levels โ€” salt tolerance is crop-specific.
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General Knowledge QUESTION #4681
Question 436
Dan Quayle held which of the following positions?
  • Mexican footballer
  • American Politicianโœ”๏ธ
  • Prime Minister of Brazil
  • Secretary General of NATO
Correct Answer Logic:
Dan Quayle served as the 44th Vice President of the United States under President George H.W. Bush (1989โ€“1993).
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English QUESTION #8313
Question 437
Please speak in _______ English.
  • Plainโœ”๏ธ
  • Plane
  • Plan
  • None of these
Correct Answer Logic:
'Plain' means simple or clear.
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Chemistry QUESTION #5522
Question 438
Two water samples A and B have BOD (Biochemical Oxygen Demand) values of 10 and 20, respectively. Which statement is correct?
  • B is more polluted than A.โœ”๏ธ
  • A is fit for drinking, whereas B is not.
  • Both A and B are suitable for drinking.
  • A is more polluted than B.
Correct Answer Logic:
BOD (Biochemical Oxygen Demand) measures the amount of dissolved oxygen needed by microorganisms to decompose organic matter. A higher BOD means more organic pollution. Since BOD of B (20) > BOD of A (10), water B is more polluted. Note: For drinking water, BOD should be less than 5 ppm; both A and B are unsuitable for drinking.
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Math (Module-1) QUESTION #5479
Question 439
An isosceles right triangle has a hypotenuse of length $58$ inches. What is the perimeter, in inches, of this triangle?
  • $29\sqrt{2}$
  • $58\sqrt{2}$
  • $58 + 58\sqrt{2}$โœ”๏ธ
  • $58 + 116\sqrt{2}$
Correct Answer Logic:
Leg length $s = \frac{58}{\sqrt{2}} = 29\sqrt{2}$. Perimeter $= 2s + 58 = 2(29\sqrt{2}) + 58 = 58\sqrt{2} + 58$.
Uploaded by: Fani Warraich
Education QUESTION #6918
Question 440
'Chunking' as an instructional strategy in classroom management refers to which of the following practices?
  • Dividing a lesson into several 30-minute segments separated by transitions
  • Grouping new information by associations (e.g., by initial letters) and limiting new cognitive input to approximately 4โ€“5 bits at a time to match working memory capacityโœ”๏ธ
  • Breaking the class into four groups to work on separate tasks simultaneously
  • Sequencing homework assignments from easy to difficult across a week
Correct Answer Logic:
Chunking is a cognitive strategy grounded in working memory research โ€” the brain can process approximately 4 to 7 'chunks' of information at once. By organizing new content into associative groupings (e.g., vocabulary by letter or theme) and limiting the volume of new input per session, teachers reduce cognitive overload, which in turn reduces the frustration and off-task behavior that overload produces.
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