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Boilers Mechanical Engineering QUESTION #4078

Question 1

'Safety Audit' for a boiler plant should include:

Checking the company canteen
Reviewing logs, testing safety devices, and inspecting structural integrity✔️
Checking the color of the paint
Measuring the height of the chimney

Correct Answer Logic:

Regular audits are part of good safety management (as per the Ordinance logic).

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Biology QUESTION #7244

Question 2

In the following matching table, identify the correct combination of crop, its disease, and the corresponding pathogen:

	Crop	Disease	Pathogen
(1)	Citrus	Canker	Pseudomonas rubrilineans
(2)	Potato	Late blight	Fusarium udum
(3)	Brinjal	Root-knot	Meloidogyne incognita
(4)	Pigeon pea	Seed gall	Phytophthora infestans

Citrus — Canker — Pseudomonas rubrilineans
Potato — Late blight — Fusarium udum
Brinjal — Root-knot — Meloidogyne incognita✔️
Pigeon pea — Seed gall — Phytophthora infestans

Correct Answer Logic:

The correct match is Brinjal — Root-knot — Meloidogyne incognita. Meloidogyne is a nematode that causes root-knot disease in many vegetables including brinjal. Late blight of potato is caused by Phytophthora infestans, not Fusarium. Citrus canker is bacterial (Xanthomonas).

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Chemistry QUESTION #5530

Question 3

For $2A + B \to \text{products}$: doubling both [A] and [B] increases rate from $0.3$ to $2.4\ \text{mol L}^{-1}\text{s}^{-1}$; doubling [A] alone increases rate from $0.3$ to $0.6\ \text{mol L}^{-1}\text{s}^{-1}$. Which statement is correct?

Total order of the reaction is 4
Order w.r.t. B is 2✔️
Order w.r.t. B is 1
Order w.r.t. A is 2

Correct Answer Logic:

When only [A] doubles: rate doubles → order w.r.t. A = 1. When both [A] and [B] double: rate increases 8-fold ($2.4/0.3 = 8$). Effect of doubling both: $2^1 \times 2^n = 8 \Rightarrow 2^{1+n} = 8 = 2^3 \Rightarrow 1+n = 3 \Rightarrow n = 2$. Order w.r.t. B = 2. Total order = 1 + 2 = 3.

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Pakistan Affairs QUESTION #598

Question 4

Pakistan became Member of the UN General Assembly in:

September 1947✔️
January 1948
September 1948
None of These

Correct Answer Logic:

Pakistan joined the United Nations on September 30, 1947.

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Biology Zoology Botany QUESTION #1380

Question 5

What is the ploidy level of the endosperm in angiosperms?

Haploid (n)
Diploid (2n)
Triploid (3n)✔️
Tetraploid (4n)

Correct Answer Logic:

In angiosperms, the endosperm is formed by triple fusion — the fusion of two polar nuclei (each haploid, n) with one male gamete (n) — resulting in a triploid (3n) nucleus. The endosperm develops into a nutritive tissue that nourishes the developing embryo. This is a unique feature of double fertilization in angiosperms.

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CISA QUESTION #1771

Question 6

Which document produced during audit planning is specifically used to match individuals to tasks and support requests for training funding and quality assurance?

Skills matrix✔️
Procurement matrix
Task matrix
Activities matrix

Correct Answer Logic:

A skills matrix identifies the competencies of each team member and ensures that appropriately qualified individuals are assigned to specific tasks. It also provides a basis for justifying funding requests for additional training or personnel during the planning phase.

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Psychology QUESTION #9930

Question 7

Child-rearing methods in Pakistan:

Differ little from those in other countries
Differ from one social class to the next✔️
Have changed very little over the past fifty years
Are now pretty much the same from one social class to the next

Correct Answer Logic:

Pakistani child-rearing practices vary considerably across social classes, reflecting differences in education, resources, urban/rural settings, and cultural exposure — making option (b) the most research-supported answer.

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General Knowledge QUESTION #4768

Question 8

Which three statesmen are credited as the primary founders of the Non-Aligned Movement (NAM)?

Gandhi, Nasser, Tito
Nehru, Nasser, Tito✔️
Zhou Enlai, Bhutto, Nehru
Sukarno, Nasser, Tito

Correct Answer Logic:

The Non-Aligned Movement was primarily founded by Jawaharlal Nehru (India), Gamal Abdel Nasser (Egypt), and Josip Broz Tito (Yugoslavia) who organized the first NAM summit in Belgrade in 1961.

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Accounting & Finance QUESTION #6220

Question 9

A 'Credit Note' issued by a vendor is the primary supporting document for which journal?

Purchase Journal
Cash Book
Sales Return Journal✔️
General Journal

Correct Answer Logic:

A credit note issued to a debtor evidences the receipt of returned goods, thereby supporting the Sales Return Journal (Returns Inward).

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3220

Question 10

'Accommodation' of the eye refers to the:

Eye's ability to move in the socket
Adjustment of the lens for near and far vision✔️
Opening and closing of the pupil
Protection by the eyelid

Correct Answer Logic:

The ciliary muscles change the shape of the lens to focus light on the retina.

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General Knowledge QUESTION #8911

Question 11

The latest country to become a member of the United Nations (at the time) was:

Montenegro
East Timor (Timor-Leste)✔️
Micronesia
Tonga

Correct Answer Logic:

South Sudan (2011) is newest, but among options East Timor (2002) is correct.

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Civil Engineering QUESTION #6572

Question 12

Alloys containing more than $2.1\%$ carbon by weight are classified as:

Steel
Cast Iron✔️
Pig Iron
Wrought Iron

Correct Answer Logic:

Carbon content defines the iron–carbon alloy type:

Steel: $0.008\% - 2.1\%$ C
Cast Iron: $> 2.1\%$ C (typically $2.1\% - 4\%$)

Cast iron is brittle and has high compressive strength.

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Business, Public administration and Policy QUESTION #10506

Question 13

When a public servant imposes duties or obligations upon citizens beyond what the law actually requires, this constitutes:

Abuse of law
Abuse of power✔️
Error of authority
Error of fact-finding

Correct Answer Logic:

Abuse of power occurs when a public official uses their official authority to exceed their legal mandate — imposing obligations, restrictions, or burdens on citizens that are not authorized by law. It is a form of maladministration and a violation of the rule of law, making the official liable under administrative law and potentially criminal law.

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English QUESTION #2750

Question 14

Choose the correct PREPOSITION: 'The meeting will take place ___ Monday morning.'

in
at
on✔️
during

Correct Answer Logic:

'On' is used with specific days and dates (e.g., on Monday, on Friday, on 5th March). Therefore 'on Monday morning' is correct.

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CISA QUESTION #6819

Question 15

In evaluating separation of duties within an IT department, an auditor finds that the database administrator has both production library access and the authority to approve changes. What is the PRIMARY risk?

Inefficient change management
Unauthorized changes could be implemented without detection✔️
Delayed system updates
Increased operational costs

Correct Answer Logic:

Separation of duties requires that authorization be separated from execution. When the same person who can approve changes also has access to implement them, they can bypass controls and execute unauthorized modifications without independent verification, creating fraud risk and control circumvention.

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Administration QUESTION #2910

Question 16

Which of the following is considered a fundamental core value within Public Administration?

Social equity✔️
Accountability
Positive Attitude
All of these

Correct Answer Logic:

Social equity is a pillar of the "New Public Administration" movement, emphasizing fairness and justice in the delivery of public services.

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Tourism & Hospitality Management QUESTION #1588

Question 17

According to the Introduction to Tourism & Hospitality course, Customer Relationship Management (CRM) in hotels is most directly associated with which aspect of hotel operations?

The physical maintenance of hotel buildings
Managing and enhancing long-term relationships between the hotel and its guests to build loyalty✔️
The legal compliance requirements of hotel ownership
The food and beverage procurement process

Correct Answer Logic:

The curriculum covers CRM (Customer Relationship Management) as part of the Hotel Development Process, specifically in the context of managing relationships with guests to improve satisfaction, build loyalty, and enhance repeat business — a strategic hospitality management function.

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Math Physics Chemistry Biology QUESTION #4188

Question 18

Which one of the following organism is uricotelic with reference to excretion of nitrogenous compound?

Human
freshwater Fish
Snake✔️
Frog

Correct Answer Logic:

Snakes are uricotelic, excreting nitrogenous waste as uric acid.

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CISA QUESTION #6846

Question 19

An IS auditor discovers that security logs are generated but retained for only 7 days due to storage limitations. The organization's incident response procedures require 90 days of log data for investigation. What is the PRIMARY risk?

Inadequate storage capacity
Insufficient log retention prevents effective incident investigation and forensic analysis✔️
Excessive log volume
Complex log management

Correct Answer Logic:

The 83-day gap between log retention (7 days) and investigative requirements (90 days) means most incidents cannot be properly investigated. By the time incidents are detected and investigation begins, critical evidence has been deleted. This severely compromises security monitoring, incident response, and forensic capabilities.

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Mathematics QUESTION #7440

Question 20

All the students of a class performed poorly in Mathematics. The teacher decided to give grace marks of 10 to each of the students. Which of the following statistical measures will not change even after the grace marks were given?

mean
median
mode
variance✔️

Correct Answer Logic:

When a constant is added to all observations, the mean, median, and mode all increase by that constant. However, variance (and standard deviation) measure the spread of data around the mean. Since all values shift by the same amount, the spread remains unchanged. Therefore, variance does not change when grace marks are added uniformly to all students.

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