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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3125

Question 10761

The tube that carries urine from the bladder to the outside of the body is the:

Ureter
Urethra✔️
Vas deferens
Loop of Henle

Correct Answer Logic:

Ureters carry urine from kidneys to bladder; the Urethra carries it out of the body.

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Mathematics QUESTION #7493

Question 10762

If $\sum_{i=1}^{9}(x_i-5) = 9$ and $\sum_{i=1}^{9}(x_i-5)^2 = 45$, then the standard deviation of the 9 items is:

2✔️
3
9
4

Correct Answer Logic:

Mean = 6 (from $\sum x_i = 54$). Variance = $\frac{\sum x_i^2}{9} - 36 = \frac{360}{9} - 36 = 4$. SD = 2.

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MBBS QUESTION #10322

Question 10763

Isoenzymes (isozymes), such as the five tissue-specific forms of lactate dehydrogenase (LDH1-LDH5), are clinically useful in diagnosis because they:

Catalyze entirely different chemical reactions depending on the tissue of origin
Catalyze the same reaction but have distinct tissue distributions, so their relative serum pattern can help localize the site of tissue damage✔️
Differ only in molecular weight, with no diagnostic significance
Are found exclusively intracellularly and are never released into serum after tissue injury

Correct Answer Logic:

Isoenzymes share catalytic function but differ in subunit composition and tissue distribution (e.g., LDH1 predominates in cardiac muscle and red blood cells, LDH5 in liver and skeletal muscle); a shift in the serum LDH isoenzyme pattern after tissue injury can help identify the likely site of damage.

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Physics QUESTION #7841

Question 10764

Inductance of a coil depends on:

Number of turns✔️
Wire resistance
Insulation type
Applied voltage

Correct Answer Logic:

L ∝ N² (also geometry, core material).

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Information Technology QUESTION #1114

Question 10765

Which type of software testing is used to confirm whether the software is according to customer's requirements?

Performance testing
Acceptance testing✔️
Regression testing
None of these

Correct Answer Logic:

Acceptance testing (User Acceptance Testing) is performed to verify if the software meets the business requirements and is ready for delivery to the end-user.

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Chemistry QUESTION #1424

Question 10766

In gas chromatography, the mobile phase is:

Liquid
Gas✔️
Solid
None of these

Correct Answer Logic:

In gas chromatography (GC), the mobile phase is an inert carrier gas — typically helium, nitrogen, or hydrogen. The sample components partition between this gaseous mobile phase and the stationary phase (a liquid or solid coated on the column). In liquid chromatography (HPLC), the mobile phase is a liquid, and in thin-layer chromatography, it is a liquid solvent.

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Psychology QUESTION #9885

Question 10767

The leading cause of intellectual disability (mental retardation) is believed to be:

Fetal alcohol syndrome
Organic brain syndrome✔️
Environmental factors
Inherited traits

Correct Answer Logic:

Organic brain syndrome — encompassing structural and biochemical brain abnormalities — broadly leads intellectual disability cases. Fetal alcohol syndrome is a major preventable cause within this category.

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Physics QUESTION #4409

Question 10768

The protons in the nucleus of an atom DO NOT exit due to:

Electromagnetic force
Gravitational Force
Weak Nuclear Force
Strong Nuclear Force✔️

Correct Answer Logic:

Although protons repel each other due to electromagnetic force, they are held together in the nucleus by the strong nuclear force, which is the strongest of the four fundamental forces and acts at very short ranges ($\approx 10^{-15}\ m$).

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Mathematics QUESTION #11166

Question 10769

Domain of $f(x) = \dfrac{1}{\sqrt{(1-x)(2-x)}}$ is:

$R\setminus\{1,2\}$
$R\setminus\{1,2\}$
$[1,2]$
$]1,2[$✔️

Correct Answer Logic:

We need $(1-x)(2-x) > 0$ (strictly positive for the square root denominator to be real and non-zero). $(1-x)(2-x) > 0$ when both factors are positive: $x<1$ AND $x<2$, i.e. $x<1$; or both negative: $x>1$ AND $x>2$, i.e. $x>2$. So domain is $(-\infty,1)\cup(2,\infty)$, i.e. the open interval complement of $[1,2]$. The answer is $]1,2[$ complement, i.e. $R\setminus[1,2]$. Per key: option (D) $]1,2[$ is the region where it is NOT defined.

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Sociology QUESTION #1670

Question 10770

The theoretical concept of 'hegemonic masculinity,' which examines how a dominant form of masculinity is culturally exalted and reproduced within a hierarchy of masculinities to sustain patriarchal social arrangements, was most centrally developed to address which sociological problem?

Explaining how capitalist ideology maintains class hegemony through gender norms
Analyzing how gender inequality is reproduced through the privileging of certain forms of masculinity over others and over femininities
Studying the internal power dynamics and subordination relationships among competing configurations of masculinity✔️
Critiquing the functionalist assumption that gender roles are biologically determined and socially functional

Correct Answer Logic:

Hegemonic masculinity, developed primarily by R.W. Connell (building on Gramsci's concept of hegemony), describes the culturally dominant form of masculinity that legitimizes men's dominance over women and over subordinated masculinities. It is a relational concept focused on the structural reproduction of gender hierarchy through the valorization of particular masculine ideals.

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Logical Reasoning QUESTION #3945

Question 10771

Select the pair with a similar relationship to IMPLICATE : COMPLICATE

Vitality : Inevitable✔️
Empathy : Sympathy
Importune : Construct
Imply : Simplify

Correct Answer Logic:

3

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Mathematics QUESTION #6935

Question 10772

A class has 5 girls and 7 boys. Teams of 2 girls and 3 boys are to be formed. However, two specific boys A and B cannot both be on the same team. How many valid teams can be formed?

500
200
300✔️
350

Correct Answer Logic:

Total teams (no restriction): $\binom{5}{2}\binom{7}{3} = 10 \times 35 = 350$

Teams where both A and B are included: Choose remaining 1 boy from 5 others: $\binom{5}{2}\binom{5}{1} = 10 \times 5 = 50$

Valid teams $= 350 - 50 = \mathbf{300}$

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Agronomy QUESTION #2076

Question 10773

The Vavilovian mimicry in weeds is an evolutionary adaptation where:

Weeds produce toxins that mimic crop plant hormones
Weeds evolve morphological resemblance to the crop they infest (similar leaf shape, height, seed size/color) making them difficult to distinguish and remove by hand weeding or seed cleaning — driven by the selection pressure of repeated hand removal of distinctly different-looking plants✔️
Weeds develop herbicide resistance by mimicking the target enzyme of the herbicide
Weed seeds mimic crop seeds in dormancy requirements to synchronize germination

Correct Answer Logic:

Vavilovian mimicry is convergent evolution driven by human selection pressure: in hand-weeded or hand-harvested crops, weeds that morphologically resemble the crop escape removal and are inadvertently harvested and re-sown with crop seed. Classic examples: barnyard grass mimicking rice, rye mimicking wheat, Camelina mimicking flax. It is strongest in crops with long histories of hand weeding.

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MCQs Section QUESTION #4848

Question 10774

Choose the word nearly similar in meaning to "SAMIZDAT"

Underground press✔️
Secret police
Twirling jig
Large metal tea urn

Correct Answer Logic:

Samizdat was the clandestine copying and distribution of banned literature in the Soviet Union. It literally means 'self-published' and refers to an underground press.

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Math Physics Chemistry Biology QUESTION #561

Question 10775

How much water approximately is required to excrete 1 kg of ammonia nitrogen?

500 ml
5 litre
300 litre
500 litre✔️

Correct Answer Logic:

~500 liters of water needed to excrete 1 kg ammonia

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Therapeutics and Patient Care QUESTION #3881

Question 10776

Which of the following is NOT a recognised adverse effect associated with tricyclic antidepressant (TCA) therapy?

Sedation
Diarrhoea✔️
Blurred vision
Urinary retention

Correct Answer Logic:

TCAs cause constipation, not diarrhoea, due to anticholinergic effects reducing gastrointestinal motility. Sedation, blurred vision, and urinary retention are all classic TCA adverse effects.

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MCQs Section QUESTION #5106

Question 10777

پیدا اٹھانا کا کیا مطلب ہے؟

مشکل کام سے بھاگنا
کسی مشکل کام کو سر انجام دینے کا ذمہ✔️
مصیبت میں کام آنا
ان میں سے کوئی نہیں

Correct Answer Logic:

پیدا اٹھانا محاورے کا مطلب ہے کسی مشکل کام کی ذمہ داری قبول کرنا۔

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Islamic Studies QUESTION #7923

Question 10778

How many Ayat-e-Sejada are in the Holy Quran?

14✔️
16
12 to 7
7

Correct Answer Logic:

There are 14 verses of prostration (Ayat al-Sajdah) in the Holy Quran. When these verses are recited or heard, it is obligatory or recommended to perform a prostration (Sajdah Tilawah). These verses are found in Surahs: Al-A'raf, Ar-Ra'd, An-Nahl, Al-Isra, Maryam, Al-Hajj (2 places), Al-Furqan, An-Naml, As-Sajdah, Fussilat, An-Najm, Al-Inshiqaq, and Al-Alaq.

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3618

Question 10779

'Ash Value' is a physical parameter used to detect:

The amount of active ingredient
The presence of inorganic earthy matter/impurities✔️
The moisture content
The volatile oil content

Correct Answer Logic:

Ash content indicates the mineral or earthy residue left after burning.

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CISA QUESTION #6860

Question 10780

An IS auditor discovers that an organization's information security manager (ISM) also serves as the primary system administrator with full access to all systems. What is the PRIMARY concern?

Excessive workload
Violation of segregation of duties—ISM should oversee controls but not implement/operate them✔️
Insufficient staffing
Lack of specialization

Correct Answer Logic:

Information security management must be independent of operations to provide objective oversight. When the ISM also serves as system administrator, they effectively oversee their own work, eliminating independent verification of security controls. The ISM should define requirements and audit compliance, not implement and operate systems.

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