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Agronomy QUESTION #2021

The Nutrient Use Efficiency (NUE) of nitrogen fertilizers in irrigated wheat in South Asia is typically:

85–90%
60–75%
30–50%✔️
10–20%

Correct Answer Logic:

NUE for nitrogen in most cereal crops under field conditions in South Asia ranges from 30–50%, meaning more than half the applied N is lost through leaching, volatilization, denitrification, and runoff. Improving NUE through split application and timing is a major agronomic challenge.

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Nursing QUESTION #9146

Question 3402

A breastfeeding mother asks when she should introduce complementary foods to her infant. According to WHO guidelines, the CORRECT advice is:

Start semi-solid foods at 4 months to prevent allergies
Exclusive breastfeeding for 6 months, then introduce complementary foods while continuing breastfeeding up to 2 years✔️
Start formula supplementation at 3 months to ensure adequate nutrition
Wean completely from breast at 12 months and start cow's milk

Correct Answer Logic:

WHO Infant Feeding Recommendations (2021):

Initiation: Breastfeeding within 1 hour of birth
Exclusive breastfeeding (EBF): For the first 6 months of life
- No water, formula, other liquids or solids (except medicines/vitamins)
- Breast milk provides all nutritional and immunological needs
Complementary feeding: Introduce at 6 months while continuing breastfeeding
Continue breastfeeding: Up to 2 years or beyond

Benefits of EBF:

Reduces infant mortality from diarrhea (by 11×) and pneumonia (by 15×)
Optimal brain development (DHA, ARA)
Immunoglobulins (especially sIgA in colostrum)
Maternal benefits: reduces risk of breast/ovarian cancer, aids weight loss
LAM (Lactational Amenorrhea Method): $>98\%$ contraceptive efficacy if EBF + amenorrhea + $<6$ months postpartum

Colostrum = first milk, produced days 1–3: high protein, low fat, rich in IgA, lactoferrin, leukocytes — called 'liquid gold'.

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Islamic Studies QUESTION #7920

Question 3403

Ramadan is the _____ month of Islamic Calendar

7th
9th✔️
1st
10th

Correct Answer Logic:

Ramadan is the 9th month of the Islamic (Hijri) calendar. It is the holiest month when Muslims fast from dawn to sunset. The Quran was first revealed during this month, specifically on Laylat al-Qadr (the Night of Power), which is believed to fall in the last ten nights of Ramadan.

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Islamic Studies QUESTION #8199

Question 3404

For how many years did the Caliphate of Hazrat Abu Bakr (RA) last?

Two yeas✔️
Thee yeas
Four years
Five years

Correct Answer Logic:

The caliphate of Hazrat Abu Bakr (RA) lasted approximately 2 years and 3 months (632-634 CE / 11-13 AH). During this brief period, he accomplished tremendous achievements: compiled the Quran in one volume, suppressed false prophets and apostasy (Ridda Wars), sent expeditions to Syria and Iraq, and established the foundations of Islamic governance. He died at age 63 and nominated Hazrat Umar (RA) as his successor.

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General Knowledge QUESTION #8698

Question 3405

What is 'Tilla Jogian' famous for?

A peak in the Sulaiman Range
Mention in the epic Heer Ranjha by Waris Shah
Place where Buddha spent 40 days in seclusion
All of these✔️

Correct Answer Logic:

Tilla Jogian has all these associations.

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Reading and Writing (Module-1) QUESTION #10437

Question 3406

Desert wildflowers are among the most ------- of blooms: they emerge after a rare rainfall and then ------- within a matter of days.

permanent . . flourish
ephemeral . . wither✔️
invasive . . spread
resilient . . multiply

Correct Answer Logic:

Blooms that appear briefly after rain and disappear quickly are 'ephemeral,' and they 'wither' within days.

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Security Measures to Maintain Law and Order QUESTION #890

Question 3407

"Crowd Control" during a flight delay is a measure to maintain law & order primarily falling under:

Aviation Safety
Aviation Security✔️
Terminal Management
Public Relations

Correct Answer Logic:

Managing large, frustrated groups is a security function to prevent riots or breaches into the airside.

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Pakistan Affairs QUESTION #9064

Question 3408

The country located to the east of Pakistan is:

Iran
India✔️
China
Afghanistan

Correct Answer Logic:

India is east of Pakistan.

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Maths QUESTION #2826

Question 3409

If $5(x - 3) = 2(x + 6)$, find $x$.

7
9
11✔️
13

Correct Answer Logic:

$5x - 15 = 2x + 12$. $5x - 2x = 12 + 15$. $3x = 27$. $x = 9$. Wait: $5(9-3)=5\times6=30$ and $2(9+6)=2\times15=30$ ✓. So $x=9$, which is option index 1 (option_2).

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Boilers Mechanical Engineering QUESTION #4081

Question 3410

'Stack Temperature' that is too high usually indicates:

The boiler is clean
Scale or soot buildup on the tubes (poor heat transfer)✔️
The fuel is cheap
The weather is hot

Correct Answer Logic:

Heat is escaping up the chimney instead of going into the water.

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MBBS QUESTION #10244

Question 3411

Using the relationship $MAP = CO \times TPR$, a patient in septic shock has warm extremities, bounding pulses, and hypotension despite a normal or elevated cardiac output. The most likely explanation is:

Markedly reduced total peripheral resistance (TPR) from widespread inflammatory vasodilation, outweighing any compensatory rise in CO✔️
An isolated marked increase in cardiac output with entirely normal TPR
Severe bradycardia as the primary abnormality
Pure hypovolemia without any vasodilation

Correct Answer Logic:

Septic shock is classically a distributive shock: systemic inflammatory mediators cause profound vasodilation (markedly reduced TPR), which the body cannot fully compensate for even with an increased cardiac output, resulting in hypotension with warm, well-perfused-appearing (but functionally maldistributed) peripheries.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3460

Question 3412

Which vitamin contains 'Cobalt' in its structure?

Vitamin B1
Vitamin B6
Vitamin B12✔️
Folic Acid

Correct Answer Logic:

B12 is also known as Cyanocobalamin.

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Math Physics Chemistry Biology QUESTION #733

Question 3413

1 Cal = ___ J

418
400
10
4.18✔️

Correct Answer Logic:

1 calorie (small cal) = 4.18 Joules. 1 kcal = 4180 J ≈ 418 J but the standard value for 1 cal is 4.18 J.

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Civil Engineering QUESTION #6566

Question 3414

The resultant of a system of concurrent forces can be determined by:

Triangle law
Parallelogram law
Polygon law
All of the above✔️

Correct Answer Logic:

All three laws — Triangle, Parallelogram, and Polygon (Lami's extension) — are valid graphical and analytical methods for finding the resultant of a force system.

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General Knowledge QUESTION #4686

Question 3415

Which team won the gold medal in Hockey at the 1988 Seoul Olympics?

Australia
West Germany
Great Britain✔️
Pakistan

Correct Answer Logic:

Great Britain (England) won the gold medal in field hockey at the 1988 Seoul Olympics, defeating West Germany in the final.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3155

Question 3416

The 'Thoracic Duct' empties lymph into the:

Right atrium
Left Subclavian Vein✔️
Aorta
Inferior Vena Cava

Correct Answer Logic:

The thoracic duct is the largest lymphatic vessel in the body.

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English QUESTION #11594

Question 3417

The two brothers are _____ in appearance, but not in personality.

like
same
alike✔️
None of these

Correct Answer Logic:

Alike is correct. It is a predicate adjective meaning “similar” and is used after a verb (e.g., “They are alike”). Like is used as a preposition before a noun (e.g., “He looks like his father”). Same requires the definite article “the” (e.g., “They look the same”) and cannot stand alone without it.

Correct Answer: C — alike.

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Chemistry QUESTION #4376

Question 3418

A chemical reaction has a theoretical yield of $25\ g$, but only $20\ g$ of product was obtained. What is the percentage yield?

20%
25%
45%
80%✔️

Correct Answer Logic:

$\% yield = \dfrac{actual\ yield}{theoretical\ yield} \times 100 = \dfrac{20}{25} \times 100 = 80\%$.

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Biology Zoology Botany QUESTION #10824

Question 3419

Which of the following is a mollusc?

Flat fish
Cuttle fish✔️
Silver fish
Star fish

Correct Answer Logic:

Cuttle fish (cuttlefish, Sepia spp.) belong to the class Cephalopoda, phylum Mollusca. They are intelligent, soft-bodied animals with a unique internal shell (cuttlebone), eight arms, and two tentacles. Flat fish (e.g. sole, flounder) and silver fish are vertebrates (Chordata); star fish (sea stars) are Echinoderms. Other molluscs include snails, clams, squid, and octopus.

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Accounting & Finance QUESTION #6178

Question 3420

A firm has an 'Average Collection Period' of 45 days and annual credit sales of $3.6 million. What is the approximate Accounts Receivable balance? (Use a 360-day year)

$300,000
$450,000✔️
$600,000
$800,000

Correct Answer Logic:

ACP = AR / (Sales/360). $45 = AR / (3.6M / 360) \rightarrow 45 = AR / 10,000 \rightarrow AR = 450,000$.

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