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Urdu QUESTION #5104

Question 2281

فیض احمد فیض کون سی تحریک کا حصہ تھے؟

حلقہ ارباب ذوق
رومانوی تحریک
ترقی پسند✔️
انجمن ترقی اردو

Correct Answer Logic:

فیض احمد فیض ترقی پسند تحریک سے وابستہ تھے اور اس کے نمائندہ شعراء میں شمار ہوتے ہیں۔

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Mathematics QUESTION #4099

Question 2282

On the contour segment from $A=(0+i)$ to $B=(1+i)$ (where $y=1$, $x:0\to1$, $dZ=dx$), with $f(Z)=y-x-3ix^2$, the contribution to the contour integral is:

$\dfrac{1}{2}-i$✔️
$-\dfrac{1}{2}+i$
$1-i$
$\dfrac{1}{2}-\dfrac{i}{2}$

Correct Answer Logic:

On $AB$: $y=1$, $Z=x+i$, $dZ=dx$, $f=1-x-3ix^2$. Integral: $\int_0^1(1-x-3ix^2)dx = \left[x-\dfrac{x^2}{2}-ix^3\right]_0^1 = 1-\dfrac{1}{2}-i = \dfrac{1}{2}-i$.

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Basic Mathematics QUESTION #2877

Question 2283

Average of $12, 15, 18, 21, 24$ is:

15
18✔️
21
20

Correct Answer Logic:

Since the numbers are in an arithmetic progression, the average is the middle term: $18$.

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Urdu QUESTION #5092

Question 2284

صفر کا متضاد کیا ہے؟

گرم
کبار
افضل
سلم✔️

Correct Answer Logic:

صفر کا متضاد 'سلم' ہے جس کے معنی سلامتی یا امن کے ہیں۔

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Agronomy QUESTION #2083

Question 2285

The minimum seed germination percentage required for certified wheat seed under Pakistan's Federal Seed Certification and Registration Department (FSCRD) standards is:

70%
75%
85%✔️
90%

Correct Answer Logic:

Under FSCRD standards in Pakistan, certified wheat seed must have minimum germination of 85%, physical purity of 98%, and moisture content not exceeding 12%. Seeds failing these standards cannot be labeled or sold as certified seed. These standards ensure adequate field establishment at recommended seeding rates.

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Urdu QUESTION #5128

Question 2286

درست جملے کی نشاندہی کریں۔

علاج سے مرض بڑھتی گئی۔
علاج سے مرض بڑھتا گیا۔
علاج سے مرض بڑھ گئی۔✔️
علاج سے مرض بڑھتی رہی۔

Correct Answer Logic:

مرض مونث ہے اس لیے 'بڑھ گئی' درست ہے۔ 'بڑھتا گیا' مذکر کے لیے ہے۔

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Statistics QUESTION #1973

Question 2287

For a paired t-test conducted on $n$ matched pairs of observations, the appropriate degrees of freedom is:

$2n - 1$
$n - 2$
$2(n - 1)$
$n - 1$✔️

Correct Answer Logic:

In a paired t-test, the $n$ differences $d_i = X_{1i} - X_{2i}$ are treated as a single sample. The degrees of freedom is therefore $n - 1$, just as for a one-sample t-test.

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Chemistry QUESTION #5542

Question 2288

For a first-order reaction, 32% of the reactant remains after 570 s. Calculate the rate constant $k$ (in $\times10^{-3}\ s^{-1}$, rounded to nearest integer). [Given: $\log_{10}2 = 0.301$, $\ln 10 = 2.303$]

3✔️
2
1
4

Correct Answer Logic:

For first-order: $k = \frac{2.303}{t}\log\frac{[A]_0}{[A]} = \frac{2.303}{570}\log\frac{100}{32} = \frac{2.303}{570}\log\left(\frac{25}{8}\right)$. $\log\frac{25}{8} = \log 25 - \log 8 = (2\log 5)-(3\log 2) = 2(1-0.301)-3(0.301) = 2(0.699)-0.903 = 1.398-0.903 = 0.495$. $k = \frac{2.303\times0.495}{570} = \frac{1.14}{570} \approx 2\times10^{-3}\ s^{-1}$. Nearest integer = $2\times10^{-3}\ s^{-1}$.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3273

Question 2289

Which scientist is known as the 'Father of Microbiology' for his work with microscopes?

Louis Pasteur
Antonie van Leeuwenhoek✔️
Robert Koch
Alexander Fleming

Correct Answer Logic:

Leeuwenhoek was the first to observe 'animalcules' (bacteria and protozoa) using handcrafted lenses.

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English QUESTION #2801

Question 2290

Complete the ANALOGY: 'Flower : Bouquet :: Fish : ___'

Water
Aquarium
School✔️
Ocean

Correct Answer Logic:

This is a 'part : collection/group' analogy. A bouquet is a collection of flowers; a 'school' is the word for a group/collection of fish. This tests knowledge of collective nouns.

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English QUESTION #2667

Question 2291

Choose the word opposite in meaning to: 'TRANSPARENT'

Clear
Opaque✔️
Bright
Fragile

Correct Answer Logic:

'Transparent' allows light to pass through; 'opaque' does not.

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Agronomy QUESTION #2042

Question 2292

Vermicompost differs from conventional FYM in that:

It has lower nutrient content and slower release rates
It is processed through earthworm digestion, resulting in finer particle size, higher microbial activity, better nutrient availability, plant growth hormones, and humic acids compared to conventional composting✔️
It can only be applied as a liquid foliar spray
It increases soil acidity more rapidly than FYM

Correct Answer Logic:

Earthworms (Eisenia fetida) physically and biochemically transform organic matter during vermicomposting. The product has higher N (1.5–2.5%), better C:N ratio, richer microbial diversity, plant hormones (auxins, gibberellins), humic/fulvic acids, and finer texture than FYM — resulting in better crop response per unit weight applied.

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Urdu QUESTION #5281

Question 2293

ادب تنقید حیات ہے، یہ کس کے الفاظ ہیں؟

میتھیو آرنلڈ✔️
William Powell
Grayson Carter
کوئی نہیں

Correct Answer Logic:

ادب تنقید حیات ہے (Literature is a criticism of life) یہ مشہور قول میتھیو آرنلڈ کا ہے۔

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3499

Question 2294

'Resins' are usually formed in plants as:

Oxidation products of volatile oils✔️
Breakdown products of starch
Liquid proteins
Mineral deposits

Correct Answer Logic:

Resins are complex, solid or semi-solid amorphous products often associated with volatile oils.

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Agronomy QUESTION #2051

Question 2295

Conservation agriculture (CA) is based on three core principles. Which combination correctly identifies all three?

Deep plowing + high input use + crop rotation
Minimum soil disturbance (no/minimum tillage) + permanent soil cover (mulch/crop residues) + crop species diversification (rotation/intercropping)✔️
Organic farming + biological pest control + rainwater harvesting
Precision irrigation + slow-release fertilizers + integrated pest management

Correct Answer Logic:

FAO defines Conservation Agriculture by three linked principles: (1) minimum mechanical soil disturbance, (2) permanent organic soil cover with crop residues or cover crops, and (3) species diversification through crop rotations and/or intercropping. All three must be practiced simultaneously for CA to deliver its full benefits.

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Boilers Mechanical Engineering QUESTION #4020

Question 2296

'Supercritical' boilers operate at pressures where:

Steam cannot be formed
There is no distinction between liquid and gas phases✔️
The water turns into ice
The boiler explodes

Correct Answer Logic:

Operating above $221~bar$ allows for very high cycle efficiency.

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GATE Engineering Mathematics QUESTION #3770

Question 2297

A supervisor observed: 'He frequently ________ the data. Untrue assertions are unhelpful. Integrity ________ confidence.' Select the word pair that accurately completes the sentences.

overstates; produces✔️
excels; encourages
worsens; reduces
lessens; removes

Correct Answer Logic:

'Exaggerate/overstate' aligns with the context of false claims, while 'engender/produce' describes the natural result of honesty.

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Basic Mathematics QUESTION #2898

Question 2298

Find the amount if $\$800$ is invested at $6\%$ simple interest for $2$ years.

$\$896$✔️
$\$900$
$\$848$
$\$912$

Correct Answer Logic:

Interest $= (800 \times 6 \times 2)/100 = 96$. Amount $= 800 + 96 = 896$.

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #2993

Question 2299

Elixirs are characterized as being:

Oily solutions
Hydro-alcoholic solutions✔️
Aqueous suspensions
Viscous syrups

Correct Answer Logic:

Elixirs are clear, sweetened, hydro-alcoholic liquids intended for oral use.

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Agronomy QUESTION #2036

Question 2300

Physiological maturity in cereal crops is best identified by:

The date 30 days after heading
Formation of the black layer at the base of the grain (in maize) or when grain moisture reaches 30–35% and maximum dry weight is achieved✔️
When the entire crop canopy turns golden yellow
When combine harvester settings indicate optimum grain moisture

Correct Answer Logic:

Physiological maturity marks the cessation of dry matter accumulation in the grain. In maize it is identified by the black layer (abscission layer) at the kernel base. In wheat/rice, grain moisture of 30–35% at maximum dry weight is the indicator — harvesting before this causes yield loss; after causes field losses.

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