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English QUESTION #2757

Question 3741

Which sentence uses the COMMA correctly?

I like apples✔️
oranges and
bananas.
I like apples oranges and bananas.

Correct Answer Logic:

oranges

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CISA QUESTION #1773

Question 3742

Under what circumstances may an auditor deviate from professional audit standards?

Standards are intended for discretionary application
Deviation is extremely rare and would demand substantial justification✔️
Deviation depends on the scope of authority granted by the audit charter
The specific nature of the client environment allows for auditor flexibility

Correct Answer Logic:

Audit standards are mandatory, not discretionary. Any deviation from established professional standards is highly unusual and would require a compelling, well-documented justification. Auditors cannot simply override standards based on client characteristics or personal judgment.

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Library Sciences QUESTION #1532

Question 3743

A subject thesaurus, such as the ERIC Thesaurus, is primarily used to:

Define the spelling and grammar of technical terms
Identify preferred and related indexing terms for searching subject databases accurately✔️
Provide encyclopaedic articles on educational topics
List bibliographies of books in a subject field

Correct Answer Logic:

A subject thesaurus like the ERIC Thesaurus lists controlled vocabulary terms — preferred descriptors, broader terms, narrower terms, and related terms — used for indexing and searching subject-specific databases, improving both precision and recall in literature searches.

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Agronomy QUESTION #2103

Question 3744

The process of vernalization in cereal crops (wheat, barley) refers to:

The application of external nitrogen fertilizer to promote vegetative growth in spring
The acquisition of competence to flower by exposure to a prolonged period of cold temperature (1–10°C for 4–8 weeks), which epigenetically silences floral repressor genes (VRN2) and activates floral promoters (VRN1) — ensuring reproductive development occurs in spring rather than autumn✔️
Hardening of seedlings by gradual exposure to low temperatures to improve frost tolerance
The process of selecting winter-hardy genotypes for spring planting

Correct Answer Logic:

Vernalization is a cold-temperature requirement for flowering in winter annual crops. Epigenetically, cold induces chromatin remodeling (H3K27me3 modifications) that permanently silences FLC (in Arabidopsis) or VRN2 (in cereals), derepressing floral integrator genes. Without vernalization, winter wheat planted in spring remains vegetative. The VRN1, VRN2, VRN3 gene system controls vernalization response and is a major target in breeding for climate adaptation.

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Urdu QUESTION #5220

Question 3745

اردو نثر میں علامہ اقبال کی پہلی باقاعدہ تصنیف کا نام؟

ما بعد الموجودات
علم الاقتصاد✔️
اقتصادیات
ما بعد الاقتصادیات

Correct Answer Logic:

علم الاقتصاد علامہ اقبال کی پہلی باقاعدہ نثری تصنیف ہے جو معاشیات کے موضوع پر لکھی گئی۔

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Statistics QUESTION #1989

Question 3746

The number of permutations of 3 letters chosen from 4 distinct letters A, B, C, D is:

$4$
$12$
$24$✔️
$64$

Correct Answer Logic:

The number of permutations $= P(4,3) = \dfrac{4!}{(4-3)!} = \dfrac{24}{1} = 24$. This counts ordered arrangements. The number of combinations would be $C(4,3)=4$, but permutations account for all orderings of each combination (each set of 3 has $3! = 6$ arrangements, so $4 \times 6 = 24$).

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Mechanical Engineering QUESTION #2549

Question 3747

A couple acting on a rigid body is classified as which type of vector?

Bound vector — must act at a specific point
Sliding vector — must act along its line of action
Free vector — can be placed anywhere without changing its effect✔️
Fixed vector — its point of application is immovable

Correct Answer Logic:

A couple is a free vector because its effect on a rigid body (pure rotation) is the same regardless of where the couple is applied. This contrasts with a force (sliding vector) whose line of action matters.

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CISA QUESTION #1736

Question 3748

When problems are identified during an audit engagement, what is the appropriate way for the auditor to handle the remediation process?

The auditor should assume ownership of the issue and actively participate in developing a corrective action plan.
The auditor should determine the severity of the issue and then prescribe a specific solution after evaluating the business impact.
The auditor can add substantial value by defining the detailed remediation steps required to fix the problem.
The auditor must not take ownership of identified problems and should limit involvement to providing general guidance — leaving the auditee responsible for designing their own remediation plan.✔️

Correct Answer Logic:

Auditor objectivity and independence require that the auditor never become an active participant in fixing the problems they have identified. Once an auditor takes ownership of a remediation plan, they can no longer independently and objectively evaluate whether the remediation is adequate — they have effectively become part of the process they are supposed to audit. The auditor's proper role is to identify, describe, and provide general context for problems; solution design belongs to the auditee.

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Boilers Mechanical Engineering QUESTION #4002

Question 3749

'Soot Blowers' are used in large boilers to:

Clean the exterior of the factory
Remove ash and soot deposits from the external surfaces of the tubes✔️
Blow air into the furnace
Extinguish the fire

Correct Answer Logic:

Ash buildup acts as an insulator and reduces heat transfer efficiency.

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Basic Mathematics QUESTION #4633

Question 3750

If a car travels $180$ km in $3$ hours, what is its average speed?

$60$ km/h✔️
$183$ km/h
$177$ km/h
$540$ km/h

Correct Answer Logic:

Speed = $\frac{\text{distance}}{\text{time}} = \frac{180}{3} = 60$ km/h

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3537

Question 3751

'Ipecac' is used in emergency medicine as an 'Emetic'. This means it:

Stops diarrhea
Induces vomiting✔️
Relieves pain
Cures infection

Correct Answer Logic:

Ipecac syrup was historically used to empty the stomach after poisoning.

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Physics and Math QUESTION #776

Question 3752

If $y^2 = 3x$, then the equation of latus rectum is:

$x = \dfrac{3}{4}$✔️
$Y = \dfrac{4}{3}$
$Y = \dfrac{1}{3}$
$Y = \dfrac{5}{7}$

Correct Answer Logic:

For parabola $y^2 = 4ax$: $4a = 3 \Rightarrow a = \dfrac{3}{4}$. The latus rectum is the vertical line $x = a = \dfrac{3}{4}$.

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Biology QUESTION #4251

Question 3753

The bony roof of the oral cavity, which separates it from the nasal cavity, is formed by the:

soft palate
Mandible
Hard palate✔️
Maxilla

Correct Answer Logic:

Hard palate forms bony roof of oral cavity.

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3580

Question 3754

Which branch of Pharmacognosy deals with the history, commerce, selection, and preservation of crude drugs?

Ethnobotany
General Pharmacognosy✔️
Phytochemistry
Zoology

Correct Answer Logic:

General Pharmacognosy covers the broader aspects of crude drug management and history.

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MCQs Section QUESTION #4878

Question 3755

Which word is similar to "ACRIMONIOUS"

Bitter✔️
Provocative
Cheap
Volatile

Correct Answer Logic:

Acrimonious means having or showing strong bitterness or ill feeling in speech or manner. Bitter is its closest synonym.

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Professional QUESTION #1834

Question 3756

Under Section 11(2), when the services of a civil servant are required to be terminated due to abolition of a post or reduction in the number of posts in a cadre, whose services shall ordinarily be terminated first?

The most recently recruited civil servant in that department
The civil servant with the lowest performance rating
The most junior civil servant in that cadre or service✔️
The civil servant who has been on leave for the longest period

Correct Answer Logic:

Section 11(2) provides that where services are to be terminated due to abolition of a post or reduction in numbers, the person whose services are terminated shall ordinarily be the one who is the most junior in such cadre or service. This is the 'last in, first out' principle embedded in the Act.

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Chemistry QUESTION #4365

Question 3757

The theories which explain the formation of sigma ($\sigma$) and pi ($\pi$) bonds are EXCEPT:

MOT
VBT
VSEPR
CFT✔️

Correct Answer Logic:

Valence Bond Theory (VBT) explains $\sigma$ and $\pi$ bond formation through orbital overlap. Molecular Orbital Theory (MOT) also describes bonding. VSEPR predicts shape. Crystal Field Theory (CFT) deals with d-orbital splitting in coordination complexes — it does NOT explain $\sigma$ and $\pi$ bond formation.

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3622

Question 3758

Which drug is used as a 'Demulcent' and is obtained from 'Plantago ovata'?

Ispaghula (Psyllium)✔️
Senna
Digitalis
Cinnamon

Correct Answer Logic:

Ispaghula husk is a bulk-forming laxative and demulcent.

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Economics QUESTION #1711

Question 3759

Pakistan's primary energy mix has historically been characterised by a structural dependence on which energy source, making the country highly vulnerable to global commodity price shocks and foreign exchange pressures?

Domestically generated renewable energy (solar, wind, hydro)
Imported fossil fuels — particularly furnace oil and liquefied natural gas (LNG)✔️
Nuclear energy as the baseload generation source
None of these

Correct Answer Logic:

Pakistan's electricity generation has been heavily reliant on imported furnace oil (for thermal power plants) and, more recently, imported LNG. This dependence on imported fossil fuels creates a double vulnerability: (1) exposure to volatile global oil and gas prices, and (2) severe foreign exchange drain contributing to balance of payments pressure. The circular debt crisis in the power sector is partly rooted in this structural dependency on expensive imported fuels.

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Library Sciences QUESTION #1541

Question 3760

Which budgeting approach allocates funds based on measurable outputs and performance targets rather than inputs or previous spending levels?

Line-item budgeting
Incremental budgeting
Performance-based budgeting✔️
Formula budgeting

Correct Answer Logic:

Performance-based budgeting links resource allocation to measurable outcomes and service targets (e.g., number of reference queries answered, circulation statistics). It holds library managers accountable for results rather than merely tracking expenditure categories.

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