Reading Mode - Questions

Biology QUESTION #7251

If you are asked to classify various algae into distinct groups, which of the following characters would you choose?

Chemical composition of the cell wall
Types of pigments present in the cell✔️
Nature of stored food materials in the cell
Structural organization of thallus

Correct Answer Logic:

Algae are primarily classified based on their photosynthetic pigments. For example: Chlorophyceae (green algae) have chlorophyll a and b; Phaeophyceae (brown algae) have fucoxanthin; Rhodophyceae (red algae) have phycoerythrin. Pigment composition is the most reliable and universally used criterion.

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Ability / HR / Governance / Special Education QUESTION #1797

Question 622

Under Rule 42(a), petty purchases through a single quotation are permissible only when the value of the procurement does not exceed:

Fifty thousand Pakistani Rupees
One hundred thousand Pakistani Rupees✔️
Two hundred thousand Pakistani Rupees
Five hundred thousand Pakistani Rupees

Correct Answer Logic:

Rule 42(a) as substituted via S.R.O. 442(I)/2020 permits petty purchases through a single quotation without resorting to bidding or multiple quotations only when the procurement value is up to PKR 100,000 (one hundred thousand Pakistani Rupees).

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Psychology QUESTION #1471

Question 623

Which decision-making model involves a leader making decisions based on a thorough analysis of data and alternatives?

Intuitive decision making
Rational decision making✔️
Group decision making
Incremental decision making

Correct Answer Logic:

The Rational decision-making model is a step-by-step, analytical process where a decision-maker: (1) identifies the problem, (2) gathers information, (3) identifies alternatives, (4) evaluates alternatives using objective criteria, and (5) selects the best option based on thorough data analysis. Intuitive decision-making relies on gut feelings and experience; incremental involves small step-by-step adjustments; group involves collective deliberation.

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Civil Procedure QUESTION #3709

Question 624

A plaintiff (State A) sues a defendant (State B) in federal court in State A for $\text{\$50,000}$ for a car accident. The plaintiff also sues the same defendant for $\text{\$30,000}$ for an unrelated breach of contract. Does the court have subject matter jurisdiction?

No, because the claims are unrelated and neither meets the amount in controversy.
Yes, because a single plaintiff may aggregate all claims against a single defendant to meet the amount in controversy.✔️
No, aggregation is only allowed for claims arising from the same transaction.
Yes, because the total is over $\text{\$75,000}$ and there is diversity.

Correct Answer Logic:

Under the aggregation rules for 28 U.S.C. $\S 1332$, a single plaintiff may aggregate any and all claims they have against a single defendant, regardless of whether the claims are related.

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Islamic Studies QUESTION #337

Question 625

How many Surahs in the Quran are named after Prophets?

3
4
5
6✔️

Correct Answer Logic:

The Surahs are: Yunus, Hud, Yusuf, Ibrahim, Nuh, and Muhammad (Peace be upon them).

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Urdu QUESTION #5062

Question 626

اسمِ تصغیر تلاش کریں۔

آنکھ
باغ
پیالی✔️
ٹوکرا

Correct Answer Logic:

پیالی اسمِ تصغیر ہے جو پیالہ کا تصغیری روپ ہے۔ یہ چھوٹے پیالے کو ظاہر کرتا ہے۔

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Chemistry QUESTION #7148

Question 627

What are the primary oxides produced when Lithium ($Li$), Sodium ($Na$), and Potassium ($K$) are burned in an excess of air, respectively?

$LiO_{2}$, $Na_{2}O_{2}$ and $K_{2}O$
$Li_{2}O_{2}$, $Na_{2}O_{2}$ and $KO_{2}$
$Li_{2}O$, $Na_{2}O_{2}$ and $KO_{2}$✔️
$Li_{2}O$, $Na_{2}O$ and $KO_{2}$

Correct Answer Logic:

When burned in excess air:

Lithium forms the normal oxide ($Li_{2}O$).
Sodium forms the peroxide ($Na_{2}O_{2}$).
Potassium (and larger alkali metals) forms the superoxide ($KO_{2}$).

This variation is due to the increasing size of the cation stabilizing larger anions.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3564

Question 628

The 'Umbel' inflorescence is characteristic of which family?

Solanaceae
Umbelliferae✔️
Lamiaceae
Rosaceae

Correct Answer Logic:

Fennel and Coriander have umbel-shaped flowers.

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Civil Procedure QUESTION #3717

Question 629

A buyer and seller agree on the sale of a unique antique vase for $\text{\$50,000}$. Before delivery, the vase is destroyed in a fire through no fault of the seller. What is the status of the contract?

The seller must find an identical vase or pay damages.
The contract is discharged by impossibility/frustration of purpose.✔️
The buyer must still pay the $\text{\$50,000}$ because risk of loss passed at the time of the contract.
The seller is in breach for failure to deliver.

Correct Answer Logic:

Under the doctrine of impossibility (or impracticability), if the subject matter of the contract is destroyed without the fault of either party, the duties under the contract are discharged.

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Education QUESTION #6790

Question 630

A teacher writes a completion item: 'The ___ and ___ are the two major branches of government in Pakistan.' A student fills in 'judiciary' for the first blank and 'executive' for the second blank. Given the actual answer is 'legislature and executive,' how many marks should the teacher award, and what construction rule was violated?

Full marks; the student demonstrated sufficient knowledge
Partial credit is ambiguous because this item violates the rule against using too many blanks — when multiple blanks appear, scoring becomes unreliable and responses are difficult to evaluate unambiguously✔️
Zero marks because the judiciary is incorrect
Full marks because executive is correct

Correct Answer Logic:

A key rule for completion items states: when using blanks, do not include too many blanks in a single item. Multiple blanks create partial-credit ambiguity (one correct, one incorrect answer in a two-blank item), reduce item clarity, and make scoring inconsistent. This item should have been split into two separate items or rewritten as a direct question.

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Chemistry QUESTION #425

Question 631

Aldehydes can be synthesized by the oxidation of

Primary alcohols✔️
Secondary alcohols
Organic acids
Inorganic acids

Correct Answer Logic:

Primary alcohols oxidize to aldehydes

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3504

Question 632

'Acacia' (Gum Arabic) is chemically a:

Salt of Arabic acid✔️
Simple sugar
Protein
Volatile oil

Correct Answer Logic:

Acacia is a complex polysaccharide used as a suspending and emulsifying agent.

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Dairy Food Science and Technology QUESTION #5930

Question 633

The 'Log Reduction' concept in pasteurization states that HTST ($72^{\circ}\text{C}/15\;\text{s}$) achieves a minimum log reduction of $Coxiella\;burnetii$ of:

5-log $(10^5\text{-fold})$✔️
6-log
3-log
8-log

Correct Answer Logic:

HTST pasteurization ($72^{\circ}\text{C}/15\;\text{s}$) is designed to achieve a minimum $5$-log ($100{,}000$-fold) reduction of $Coxiella\;burnetii$, the most heat-resistant non-spore-forming pathogen in milk and causative agent of Q fever.

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Psychology QUESTION #1473

Question 634

Which of the following factors is most likely to influence the accuracy of eyewitness testimony?

The eyewitness's level of education
The eyewitness's emotional state during the event✔️
The time of day the event occurs
The presence of the police during the event

Correct Answer Logic:

Research by Elizabeth Loftus and others has shown that the eyewitness's emotional state during the event is a major factor affecting memory accuracy. High emotional arousal (especially fear or stress) can impair accurate encoding and recall — the 'weapon focus effect' is one example. Post-event misinformation, leading questions, and stress also distort memories. Education level and time of day have relatively little direct effect on accuracy.

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Urdu QUESTION #2951

Question 635

نسلی اعتبار سے لفظ اردو کس زبان کا لفظ ہے؟

سنسکرت
برج بھاشا
ترکیہ
ترکی✔️

Correct Answer Logic:

No explanation provided for this question.

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Journalism / Mass Communication QUESTION #6406

Question 636

According to the textbook's discussion of media management, what is the primary function of the circulation department within a newspaper's business section?

To manage journalist assignments and news gathering
To increase the publication's readership, which both generates revenue through subscriptions and enhances the newspaper's market standing and editorial influence✔️
To oversee the printing and distribution of physical newspapers to vendors
To negotiate advertising rates with corporate clients

Correct Answer Logic:

The textbook distinguishes between different departments within a newspaper's business section:

Advertising Department: Generates revenue by selling classified and display advertising space; fixes rates for different types and positions of ads
Circulation Department: Its primary goal is to increase the publication's circulation (readership). Higher circulation: (a) directly generates subscription revenue, and (b) allows the newspaper to charge higher advertising rates (more readers = more valuable advertising space) and (c) gives the newspaper greater prestige and editorial influence. The textbook notes: “It is always a pride for a publication to note its high circulation.”
Accounts Department: Manages salaries, purchases, transport, and audit reports

Note that the physical printing and delivery of newspapers is handled by the Technical/Press Department, not the circulation department.

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Physics QUESTION #7022

Question 637

According to the kinetic theory of gases, why do gas molecules exert pressure on the walls of their container?

They undergo a change in momentum when hitting the walls.✔️
They continuously stick to the walls.
They lose energy until they reach the wall.
They are attracted by the forces of the walls.

Correct Answer Logic:

Pressure is defined as force per unit area. Force is the rate of change of momentum. When molecules collide elastically with the walls, their direction changes, resulting in a change in momentum which exerts a force on the wall.

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Pakistan Affairs QUESTION #4673

Question 638

The Iran-Pakistan-India gas pipeline project is also commonly referred to as which of the following?

Friendly Pipeline
Peace Pipeline✔️
Great Pipeline
Asian Pipeline

Correct Answer Logic:

The Iran-Pakistan-India gas pipeline is known as the 'Peace Pipeline' as it was conceived as a project that would promote peace and economic cooperation among the three nations.

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