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Biology Zoology Botany QUESTION #10839

Stem cells can divide through which mechanism while retaining the ability to self-renew?

Meiosis and can renew
Mitosis and can renew✔️
Mitosis only
Multiplication only

Correct Answer Logic:

Stem cells undergo mitosis and have the unique capacity for self-renewal — each division can produce one daughter cell that differentiates and one that remains a stem cell (asymmetric division), or both can remain stem cells (symmetric division). Meiosis is restricted to germ cells (gamete production) and results in haploid cells. Stem cells maintain pluripotency or multipotency through mitotic divisions regulated by transcription factors like Oct4, Sox2, and Nanog.

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Chemistry QUESTION #1068

Question 2

The correct order of decreasing acidity of the following aliphatic acids is:

HCOOH $>$ CH$_3$COOH $>$ (CH$_3)_2$CHCOOH $>$ (CH$_3)_3$CCOOH✔️
HCOOH $>$ (CH$_3)_3$CCOOH $>$ (CH$_3)_2$CHCOOH $>$ CH$_3$COOH
(CH$_3)_3$CCOOH $>$ (CH$_3)_2$CHCOOH $>$ CH$_3$COOH $>$ HCOOH
CH$_3$COOH $>$ (CH$_3)_2$CHCOOH $>$ (CH$_3)_3$CCOOH $>$ HCOOH

Correct Answer Logic:

Acidity of carboxylic acids decreases as alkyl group size increases due to +I (electron-donating inductive) effect destabilizing the carboxylate anion. HCOOH has no alkyl group (most acidic), then CH$_3$COOH, then (CH$_3)_2$CHCOOH, then (CH$_3)_3$CCOOH (least acidic). Order: HCOOH $>$ CH$_3$COOH $>$ (CH$_3)_2$CHCOOH $>$ (CH$_3)_3$CCOOH.

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General Knowledge QUESTION #8824

Question 3

What does NATO stand for?

North Asia Treaty Organization
North Atlantic Treaty Organization✔️
North America Treaty Organization
Non Alliance Treaty Organization

Correct Answer Logic:

NATO is the North Atlantic Treaty Organization.

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MCQs Section QUESTION #5295

Question 4

شاعری میں وہ خصوصیت جس میں دنیا کے ہر پہلو کو سامنے رکھا جائے؟

لافانیت
آفاقیت✔️
همہ گیریت
ان میں سے کوئی نہیں

Correct Answer Logic:

آفاقیت شاعری کی وہ صفت ہے جس میں شاعر انسانی زندگی کے تمام پہلوؤں کو شامل کرے۔

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Biology Zoology Botany QUESTION #1382

Question 5

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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Paper-I (Pharmaceutics II (Industrial and Quality Control) and Pharmaceutics III (Hospital and Community Pharmacy)) QUESTION #5711

Question 6

In the 'Proof Spirit' system, $100\%$ proof spirit corresponds to how much Ethanol by volume?

$57.1\%$✔️
$48.2\%$
$95\%$
$100\%$

Correct Answer Logic:

In the UK/Indian system, 100 proof is $57.1\% \text{ v/v}$ ethanol.

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Dairy Food Science and Technology QUESTION #5919

Question 7

Plasmin, an important endogenous milk protease, is significant in cheese ripening because it:

Is completely inactivated during HTST pasteurization and has no role in cheese
Survives pasteurization and even UHT treatment, and preferentially hydrolyzes $\beta$-casein and $\alpha_{s2}$-casein during ripening✔️
Acts specifically on whey proteins, not casein
Requires $\text{pH} < 4.0$ for activity

Correct Answer Logic:

Plasmin is an alkaline serine protease (optimum $\text{pH}\;7\text{–}8$) that is heat stable — it partially survives HTST and significantly survives UHT. It preferentially attacks $\beta$-casein and $\alpha_{s2}$-casein. In Emmental and Gouda cheeses, plasmin activity during maturation is important for texture and flavor development.

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Mathematics QUESTION #1320

Question 8

If two vectors $\vec{a}$ and $\vec{b}$ satisfy $\vec{a}\times\vec{b}=\vec{0}$ and $\vec{a}\neq\vec{0}$, $\vec{b}\neq\vec{0}$, then:

They are perpendicular
They are parallel✔️
Their magnitudes are equal
Their dot product is zero

Correct Answer Logic:

The cross product $\vec{a}\times\vec{b}=|\vec{a}||\vec{b}|\sin\theta\,\hat{n}$. If $\vec{a}\times\vec{b}=\vec{0}$ and neither vector is zero, then $\sin\theta=0\Rightarrow\theta=0$ or $\pi$, meaning the vectors are parallel (or anti-parallel).

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Education QUESTION #6762

Question 9

A teacher writes the following true/false item: 'Due to its abundant natural resources and strategic location, Pakistan has always maintained a high GDP growth rate.' What is the MOST critical flaw in this item?

The item contains a false statement, which is acceptable only for opinion-based items
The item includes two ideas in one statement, making it impossible to assign a single unambiguous true/false value✔️
The item is too long and contains complex vocabulary
The item uses an absolute qualifier (always) which automatically makes it false

Correct Answer Logic:

A core rule for constructing true/false items is: avoid including two ideas in one statement unless cause-and-effect relationships are being tested. This item combines (a) natural resources/location and (b) high GDP growth. A student might agree with the premise but disagree with the conclusion, or vice versa, making the item inherently ambiguous.

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Civil Procedure QUESTION #3753

Question 10

A person has used a path across their neighbor's land for $\text{20 years}$, openly, notoriously, and without the neighbor's permission. The person may have acquired:

An easement in gross.
An easement by prescription.✔️
Title by adverse possession.
A license.

Correct Answer Logic:

Easement by prescription is acquired through the open, notorious, hostile, and continuous use of another's land for the statutory period (similar to adverse possession but for use, not ownership).

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English QUESTION #2640

Question 11

Identify the part of speech for the underlined word: 'The team played *exceptionally* well today.'

Adjective
Adverb✔️
Noun
Conjunction

Correct Answer Logic:

The word 'exceptionally' modifies the adverb 'well,' and words that modify verbs, adjectives, or other adverbs are adverbs.

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Paper-II (Pharmacology and Social Behaviour, Law & Ethics and Computer Sciences) QUESTION #5808

Question 12

Which section of the Drug Act deals with the 'Powers of Inspectors'?

Section 18
Section 19✔️
Section 20
Section 21

Correct Answer Logic:

Section 19 of the Drug Act 1976 outlines the powers of inspectors[cite: 7].

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Math Physics Chemistry Biology QUESTION #520

Question 13

In what stage of aerobic respiration are 2-carbon molecules oxidized completely to carbon dioxide?

Glycolysis
ETC
Krebs cycle✔️
Calvin cycle

Correct Answer Logic:

Krebs cycle oxidizes acetyl-CoA to CO₂

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Psychology QUESTION #9775

Question 14

A pervasive feeling of unease, apprehension, or tension without a specific identifiable threat is commonly referred to as:

Frustration
Fear
Anxiety✔️
Stress

Correct Answer Logic:

Anxiety is a diffuse, future-oriented state of apprehension without a specific present danger. It differs from fear (response to a known, present threat). Anxiety disorders are the most common mental health conditions globally.

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Civil / Architecture QUESTION #2364

Question 15

In soil compaction, the Zero Air Voids (ZAV) curve or 100% saturation curve represents:

The maximum dry density achievable for a given soil at any compactive effort
The theoretical maximum dry density $\gamma_{d,max}$ at a given water content $w$ if all air voids are eliminated, given by $\gamma_d = \dfrac{G_s \gamma_w}{1 + w G_s}$✔️
The field density achieved by standard Proctor compaction test
The relationship between void ratio and effective stress during consolidation

Correct Answer Logic:

The ZAV curve is the theoretical upper bound of dry density at any moisture content, computed as $\gamma_d = \dfrac{G_s \gamma_w}{1 + w G_s}$, assuming $S = 100\%$ (all voids filled with water, no air). In practice, compaction curves plot below and to the left of the ZAV curve. The ZAV curve does not represent an achievable state during compaction but serves as a reference limit.

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Accounting & Finance QUESTION #6060

Question 16

An amount specifically set aside to cover anticipated losses from bad debts is called a:

Provision✔️
Appropriation
Reserve
Commission

Correct Answer Logic:

A Provision is an amount set aside out of profits to cover a known or likely future expense or loss — such as expected bad debts. It is created when the loss is probable but the exact amount is uncertain. A reserve is set aside from profits for general purposes (not a specific liability). An appropriation is a distribution of profits (e.g., dividends). A commission is a fee or charge, not a set-aside.

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English QUESTION #2692

Question 17

Correct the sentence: 'She is more taller than her sister.'

She is more tall.
She is taller than her sister.✔️
She is most tall.
She is as tall.

Correct Answer Logic:

Double comparatives (more + -er) are incorrect; 'taller' is sufficient.

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Accounting & Finance QUESTION #9649

Question 18

A dependent branch sells goods at a markup of 20% on cost. Opening Stock = Rs. 30,000; Goods Sent to Branch = Rs. 90,000; Cash Sales = Rs. 120,000. What is the Closing Stock?

Rs. 20,000✔️
Rs. 15,000
Rs. 25,000
Rs. 10,000

Correct Answer Logic:

COGS at cost = 120,000 × 100/120 = Rs. 100,000. Closing Stock = Opening Stock + Goods Sent – COGS = 30,000 + 90,000 – 100,000 = Rs. 20,000. This is the standard method for calculating closing stock when markup is given.

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CISA QUESTION #6866

Question 19

In evaluating an organization's audit charter, an auditor finds it grants audit staff access to all systems and data but contains no provisions for auditor confidentiality, document retention, or restrictions on audit evidence use. What is the MOST significant omission?

Incomplete access rights
Lack of provisions protecting confidentiality and appropriate use of sensitive audit evidence✔️
Insufficient authority
Limited scope

Correct Answer Logic:

Audit charters must balance audit access rights with protections for sensitive information obtained during audits. Without confidentiality provisions and restrictions on evidence use, auditors might inappropriately disclose sensitive information, and auditees may withhold information fearing misuse. These provisions protect both the organization and maintain audit effectiveness.

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Education QUESTION #10907

Question 20

Knowing students' needs inside and outside the classroom and having positive expectations is related to which theory?

Behavioural theory
Humanistic theory✔️
Cognitive theory
Socio-economic theory

Correct Answer Logic:

Understanding students holistically — their needs inside and outside school — and maintaining positive expectations reflects Humanistic theory, associated with Abraham Maslow and Carl Rogers. Humanistic education focuses on the whole person: their emotional well-being, self-concept, intrinsic motivation, and self-actualisation. Rogers' person-centred approach emphasises genuineness, empathy, and unconditional positive regard — directly expressed through knowing students' full needs and believing in their potential.

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