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Physics QUESTION #1173

Alpha particles and electrons having the same energy — their associated De Broglie wavelengths are:

Equal
Longer than electrons (alpha has longer wavelength)
Smaller than electrons (alpha has shorter wavelength)✔️
None of these

Correct Answer Logic:

De Broglie wavelength: $\lambda = \frac{h}{\sqrt{2mE}}$. At the same kinetic energy $E$, $\lambda \propto \frac{1}{\sqrt{m}}$. Since $m_\alpha \gg m_e$ (alpha particle is ~7294 times heavier), $\lambda_\alpha \ll \lambda_e$. So alpha particles have a much shorter De Broglie wavelength than electrons at the same energy.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3555

Question 2

'Ginseng' is a famous tonic root used in which traditional system?

Unani
Homeopathy
Chinese Medicine✔️
Allopathy

Correct Answer Logic:

Ginseng is highly valued in Traditional Chinese Medicine (TCM).

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Biology QUESTION #4209

Question 3

Which of the following organ takes part in the T-cell maturation for both the lymphatic and endocrine systems?

Spleen
Thymus✔️
Liver
Kidney

Correct Answer Logic:

Thymus is where T-cells mature.

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Urdu QUESTION #1398

Question 4

پریم چند کا اصل نام بتائیے؟

مادھو رام
امرت لال
دھنپت رائے✔️
سدرشن

Correct Answer Logic:

منشی پریم چند (1880–1936) کا اصل نام دھنپت رائے تھا۔ وہ اردو اور ہندی کے یکساں عظیم افسانہ نگار اور ناول نگار تھے۔ ان کے مشہور ناولوں میں ''گؤدان''، ''بازارِ حسن'' (اردو: ''سوزِ وطن'') شامل ہیں۔ انہیں ''افسانے کا باوا آدم'' بھی کہا جاتا ہے۔

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Reading and Writing (Module-1) QUESTION #5317

Question 5

Researchers observed that the bioluminescent glow of certain deep-sea jellyfish is not continuous but rather ______, occurring only when the organism is disturbed by a potential predator. Which choice completes the text with the most logical and precise word?

intermittent✔️
persistent
intense
ubiquitous

Correct Answer Logic:

Since the glow occurs 'only when disturbed,' it is not constant, thus it is 'intermittent.'

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Biology QUESTION #514

Question 6

When your finger accidentally gets caught in a door, the pain message is sent to your brain through __________.

Homeostasis
Sensory receptors✔️
Caffeine
The medulla

Correct Answer Logic:

Sensory receptors transmit pain signals

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Commerce QUESTION #1224

Question 7

Which of the following is the main tool of Fiscal Policy?

Deficit Financing
Subsidies
Transfer Payments
Taxes✔️

Correct Answer Logic:

Taxes are the primary tool of fiscal policy. Fiscal policy involves the use of government revenue (taxation) and government expenditure (spending) to influence the economy. Taxes are the government's main instrument to raise revenue and regulate economic activity. While subsidies and transfer payments are also fiscal tools, taxation is considered the main one.

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Chemistry QUESTION #1441

Question 8

In IR spectroscopy, the fingerprint region is found in the range:

4000–2500 cm$^{-1}$
2500–1500 cm$^{-1}$
1500–600 cm$^{-1}$✔️
None of these

Correct Answer Logic:

The fingerprint region in IR spectroscopy is the range from approximately 1500 to 600 cm$^{-1}$. This region contains complex, overlapping absorption bands arising from C–O, C–N, C–X stretching and various bending vibrations that are unique to each molecule — like a molecular fingerprint. The region 4000–2500 cm$^{-1}$ is the functional group region (X–H stretches).

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Urdu QUESTION #5251

Question 9

کسی دوسرے شاعر کے شعر کو اپنی نظم میں داخل کرنا کیا کہلاتا ہے؟

تخریب
تحنید
تحریر
تضمین✔️

Correct Answer Logic:

تضمین وہ ادبی صنعت ہے جس میں کسی دوسرے شاعر کے شعر یا مصرعے کو اپنی نظم میں شامل کیا جائے۔

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Biology Zoology Botany QUESTION #1362

Question 10

Which of the following is NOT a characteristic of algae?

Autotrophic
Multicellular
Lack true roots, stems, and leaves
All algae are microscopic✔️

Correct Answer Logic:

Not all algae are microscopic — this is the FALSE statement. Giant kelp (Macrocystis pyrifera) can grow up to 60 metres long. Algae are autotrophic (mostly), lack true roots/stems/leaves (they have thallus), and can be unicellular or multicellular. The statement that 'all algae are microscopic' is incorrect.

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Pakistan Affairs QUESTION #319

Question 11

The name of the first Pakistani-manufactured aircraft is:

JF-17 Thunder✔️
JF-8 Thunder
JF-9 Thunder
JF-11 Thunder

Correct Answer Logic:

The JF-17 Thunder is a multi-role combat aircraft co-developed and produced in Pakistan.+1

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Child Health QUESTION #3926

Question 12

A 20-month-old boy becomes extremely upset when his mother refuses a treat in the store. He cries intensely, then suddenly ceases breathing, turns cyanotic, and briefly loses consciousness with a short tonic-clonic episode. What is the appropriate next step in management?

Reassure the mother and explain breath-holding spells✔️
Perform an EEG to rule out epilepsy
Order a non-contrast CT head
Refer the child to a pediatric neurologist

Correct Answer Logic:

No explanation provided for this question.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3256

Question 13

'Hyperventilation' (rapid deep breathing) leads to:

High $CO_2$ levels
Respiratory Alkalosis (low $CO_2$ and high $pH$)✔️
Respiratory Acidosis
Increased $O_2$ in tissues

Correct Answer Logic:

Blowing off too much $CO_2$ makes the blood more alkaline.

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CISA QUESTION #1783

Question 14

What is the primary function of an audit charter?

To formally engage external auditors for an engagement
To delegate responsibility, authority, and accountability for auditing✔️
To authorize the formation of an audit committee
To provide a detailed step-by-step audit plan

Correct Answer Logic:

The audit charter exists to formally grant the auditor the right to conduct audits. It delegates responsibility, authority, and accountability to the audit function. It is the foundational document that legitimizes the auditor's access and activities within the organization.

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Basic Mathematics QUESTION #4587

Question 15

What is average of all even numbers from $2$ to $10$?

$5$
$6$✔️
$30$
$12$

Correct Answer Logic:

Numbers: $2,4,6,8,10$. Average = $\frac{2+4+6+8+10}{5} = \frac{30}{5} = 6$

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Agronomy QUESTION #2112

Question 16

The concept of 'radiation use efficiency' (RUE) in crop production is defined as:

The ratio of photosynthetically active radiation (PAR) incident on the crop canopy to the total solar radiation received
The amount of above-ground dry matter produced per unit of intercepted photosynthetically active radiation (IPAR), expressed as g dry matter MJ⁻¹ IPAR — a key parameter linking canopy light interception to biomass production in crop simulation models✔️
The percentage of total solar radiation converted to grain yield (economic RUE)
The ratio of actual evapotranspiration to potential evapotranspiration under the current crop canopy

Correct Answer Logic:

RUE = Above-ground biomass (g) / Intercepted PAR (MJ). It is a conservative parameter for a species under non-stressed conditions: C3 cereals ~1.0–1.5 g/MJ; C4 crops (maize, sorghum) ~1.5–2.0 g/MJ. RUE is the slope of the linear biomass-IPAR relationship in Monteith's framework. Stresses (N deficiency, drought, heat) reduce RUE. Grain yield = RUE × IPAR × HI — making RUE central to yield analysis.

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Reading and Writing (Module-1) QUESTION #5444

Question 17

A study found black bears eating human food before hibernation have higher levels of a rare carbon isotope ____ carbon-13, due to higher 13C levels in corn and cane sugar.

carbon-13, 13C✔️
carbon-13 13C
carbon-13, 13C
carbon-13 13C

Correct Answer Logic:

A comma sets off the appositive "carbon-13" explaining the isotope.

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #2969

Question 18

What is the weight of $50\text{ ml}$ of a liquid if its specific gravity is $1.20$?

41.6 g
50 g
60 g✔️
72 g

Correct Answer Logic:

Weight $=$ Volume $\times$ Specific Gravity. $50\text{ ml} \times 1.20 = 60\text{ g}$.

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Tourism & Hospitality Management QUESTION #1645

Question 19

The Sports and Adventure Tourism course classifies adventure activities into three categories based on the environment in which they take place. Which classification is correctly identified in the curriculum?

Hard adventures, soft adventures, and extreme adventures
Land adventures, Water/aqua adventures, and Aerial adventures✔️
Mountain adventures, Desert adventures, and Ocean adventures
Competitive sports, recreational sports, and extreme sports

Correct Answer Logic:

The Sports and Adventure Tourism course (Module 6: Classification of Adventures) explicitly classifies adventure activities into three environmental categories: Land adventures (trekking, mountaineering, mountain biking, skiing), Water/aqua adventures (white water rafting, diving, surfing, swimming), and Aerial adventures (ballooning, parachuting, paragliding) — a curriculum-specific taxonomy.

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Basic Mathematics QUESTION #4524

Question 20

If $a < b$ and $c < 0$, then $ac$:

$< bc$
> bc✔️
$= bc$
Cannot determine

Correct Answer Logic:

Multiplying both sides by negative reverses inequality. Since $c < 0$: $a < b \Rightarrow ac > bc$

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