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General Knowledge QUESTION #2615

Electronic flash memory chips with no moving parts
A spinning platter and a mechanical arm to read and write information✔️
A network connection to store data in the cloud
Light beams and optical lenses to read data from a disc

Correct Answer Logic:

An HDD (Hard Disk Drive) uses a spinning platter and a mechanical arm to read and write information. The platter spins at high RPM (Revolutions Per Minute) while the arm moves across it to access data.

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Math Physics Chemistry Biology QUESTION #4228

Question 2

Ventricular diastole causes:

ventricular contraction
Closure of Atrioventricular valve
Opening of semilunar valve
Closure of semilunar valve✔️

Correct Answer Logic:

During ventricular diastole, semilunar valves close.

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Chemistry QUESTION #1082

Question 3

Which of the following statements are true? A. Unlike Ga (very high mp), Cs has very low mp. B. On Pauling scale, electronegativity values of N and Cl are not the same. C. Ar, K$^+$, Cl$^-$, Ca$^{2+}$, and S$^{2-}$ are all isoelectronic. D. First ionization enthalpies: Si > Al > Mg > Na. E. Atomic radius of Cs is greater than Li and Rb.

C and D only
A, C, and E only
A, B, and E only
C and E only✔️

Correct Answer Logic:

A: False — Ga has a very LOW mp (~29.8°C), not high. B: N has EN = 3.0, Cl = 3.2 on Pauling scale — they are NOT the same, so B is true... but check: N=3.04, Cl=3.16 — not the same, B is TRUE. C: Ar(18e), K$^+$(18e), Cl$^-$(18e), Ca$^{2+}$(18e), S$^{2-}$(18e) — all 18 electrons, TRUE. D: Correct order (anomaly Al < Mg): Si>Mg>Al>Na not Si>Al>Mg>Na — D is FALSE. E: Cs is the largest alkali metal, larger than Rb and Li — TRUE. Correct statements: B, C, E → closest option is (4) C and E only... but B is also true. Answer is option (2) = A, C, and E... A is false. Best answer: C and E only.

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Chemistry QUESTION #5548

Question 4

Arrange the ionic radii of $N^{3-}$, $O^{2-}$, and $F^-$ in correct increasing order (in Å):

1.36, 1.40 and 1.71 respectively
1.36, 1.71 and 1.40 respectively
1.71, 1.40 and 1.36 respectively✔️
1.71, 1.36 and 1.40 respectively

Correct Answer Logic:

All three ions are isoelectronic (10 electrons each). As nuclear charge increases ($N(7) < O(8) < F(9)$), the electrons are pulled closer, so ionic radius decreases. Therefore: $r(N^{3-}) > r(O^{2-}) > r(F^-)$, i.e., 1.71 Å > 1.40 Å > 1.36 Å.

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CISA QUESTION #6838

Question 5

In evaluating disaster recovery procedures, an auditor finds that backup tapes are sent to an offsite facility but no verification testing has been conducted to confirm tapes can be successfully restored. What is the PRIMARY risk?

Incomplete documentation
Backups may be unrestorable rendering disaster recovery plan ineffective✔️
Increased storage costs
Delayed recovery time

Correct Answer Logic:

The ability to restore from backups is more critical than the existence of backups. Without restore testing, the organization cannot know if backups are valid, complete, or restorable. Many organizations have discovered during actual disasters that their untested backups were unusable—effectively having no backups at all.

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Nursing QUESTION #9309

Question 6

In wound care, the term debridement refers to:

Application of antibiotic ointment to a wound
Removal of devitalized, necrotic tissue from a wound to promote healing✔️
Covering a wound with an occlusive dressing
Irrigating a wound with normal saline

Correct Answer Logic:

Debridement is the removal of necrotic, devitalized, and contaminated tissue from a wound. It is essential for healing because:

Necrotic tissue acts as a bacterial culture medium
Devitalized tissue prevents granulation tissue formation
Dead tissue impairs leukocyte migration (immune function)

Types of debridement:

Type	Method
Surgical/Sharp	Scalpel, scissors — fastest method
Mechanical	Wet-to-dry dressings, wound irrigation, hydrosurgery
Autolytic	Occlusive dressings activate body's own enzymes — slowest, most selective
Enzymatic	Collagenase ointment applied topically
Biological	Maggot therapy (Larval Debridement Therapy)

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Paper-I (Pharmaceutics II (Industrial and Quality Control) and Pharmaceutics III (Hospital and Community Pharmacy)) QUESTION #5732

Question 7

The National Drug Policy of Pakistan aims to protect the public from hazards. Which of these is a specific objective regarding pharmaceutical manufacturing?

Importing all drugs from abroad
Attain self-sufficiency in formulation and raw material production✔️
Banning all local industry
Selling drugs only in major cities

Correct Answer Logic:

Self-sufficiency is a key objective of the National Drug Policy.

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Economics QUESTION #1691

Question 8

In the balance of payments framework, the account that records all cross-border transactions involving financial instruments — such as foreign direct investment, portfolio investment, and other capital flows — is known as the:

Capital and financial account✔️
Current account
Official reserve account
None of these

Correct Answer Logic:

The Capital and Financial Account records all transactions involving financial assets and liabilities between residents of a country and the rest of the world. This includes foreign direct investment (FDI), portfolio investment (stocks, bonds), other investment (loans, deposits), and reserve assets. The Current Account records trade in goods, services, primary income, and secondary income (transfers).

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English QUESTION #8500

Question 9

The antonym of FRUGAL is:

Funny
Simple
Spendthrift✔️
Economical

Correct Answer Logic:

Frugal means thrifty; opposite is spendthrift (wasteful).

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Reading and Writing (Module-1) QUESTION #5365

Question 10

How did whales, once no bigger than seals, evolve to become the largest animals on Earth? Brazilian biologist Mariana Nery believes the answer might be found in whales' DNA. In January 2023, Nery and her colleagues ______ a study showing changes over time in four whale genes associated with body size. Which choice completes the text so that it conforms to the conventions of Standard English?

published✔️
publishing
having published
to publish

Correct Answer Logic:

The sentence needs a main verb in the past tense to complete the independent clause.

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Information Technology QUESTION #1145

Question 11

In SQL, which command is used to remove all records from a table without deleting the table structure?

DELETE
DROP
TRUNCATE✔️
REMOVE

Correct Answer Logic:

TRUNCATE is a DDL command that quickly removes all rows from a table while keeping the table definition and constraints intact.

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Statistics QUESTION #1993

Question 12

In a randomized complete block design (RCBD) with $t$ treatments and $b$ blocks, the error degrees of freedom is:

$tb - 1$
$(t-1)(b-1)$✔️
$t + b - 1$
$tb - t - b$

Correct Answer Logic:

In RCBD, total df $= tb-1$, treatments df $= t-1$, blocks df $= b-1$. By subtraction, error df $= (tb-1)-(t-1)-(b-1) = tb - t - b + 1 = (t-1)(b-1)$. This is also written as $tb - t - b + 1$, which is identical to $(t-1)(b-1)$.

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Mathematics QUESTION #1297

Question 13

For a particle moving along the ellipse $\dfrac{x^2}{a^2}+\dfrac{y^2}{b^2}=1$ with uniform speed $V$ at the point $(0,b)$, the normal component of acceleration is:

$\dfrac{V^2 a}{b^2}$✔️
$\dfrac{V^2 b}{a^2}$
$\dfrac{V^2}{a}$
$\dfrac{V^2 a^2}{b^3}$

Correct Answer Logic:

The radius of curvature of the ellipse at $(0,b)$ is $\rho=\dfrac{b^2}{a}$ (standard result). The normal acceleration $a_N=\dfrac{V^2}{\rho}=\dfrac{V^2 a}{b^2}$, directed toward the centre.

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Psychology QUESTION #1466

Question 14

Which theory of intelligence proposes that there are three types of intelligence: analytical, creative, and practical?

Howard Gardner's Theory of Multiple Intelligences
Robert Sternberg's Triarchic Theory of Intelligence✔️
Spearman's Two-Factor Theory
Cattell-Horn-Carroll Theory

Correct Answer Logic:

Robert Sternberg's Triarchic Theory of Intelligence (1985) proposes three types: (1) Analytical (componential) — academic problem-solving; (2) Creative (experiential) — novel and adaptive thinking; (3) Practical (contextual) — 'street smart', adapting to real-world environments. Gardner's theory proposes 8–9 multiple intelligences; Spearman proposed g-factor and s-factors; Cattell-Horn-Carroll distinguishes fluid and crystallized intelligence.

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General Abilities QUESTION #7962

Question 15

Which number can replace both question marks: $\dfrac{2}{5} = \dfrac{?}{50}$... and makes both sides equal?

51
10✔️
25
100

Correct Answer Logic:

$\dfrac{2}{5} = \dfrac{?}{50} \Rightarrow ? = \dfrac{2 \times 50}{5} = 20$... The answer key gives B (10). Re-checking: $\dfrac{2}{5} = \dfrac{?}{50}$. Cross-multiplying: $? = 20$. If the second equation is $\dfrac{?}{5} = \dfrac{2}{?}$, then $?^2 = 10 \Rightarrow ?$ does not simplify to 10 either. Answer key says 10 — verify the original question statement from the paper.

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Administration QUESTION #2914

Question 16

What do "Proactive Strategies" in administration generally imply?

Actions based on current conditions
Anticipation of future events✔️
Response to past failures
Static operational procedures

Correct Answer Logic:

Proactive management involves planning ahead and taking action to anticipate future challenges or opportunities before they occur.

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Academic/Professional (Social Sciences) QUESTION #6483

Question 17

Which sociological theorist introduced the concept of 'Asabiyyah' to explain social solidarity and the rise and fall of civilizations?

Ibn-i-Khaldun✔️
Auguste Comte
Herbert Spencer
Emile Durkheim

Correct Answer Logic:

Ibn-i-Khaldun (1332–1406) used 'Asabiyyah' to describe the bond of cohesion among humans in a group forming community.

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Nursing QUESTION #9173

Question 18

The BCG vaccine in EPI Pakistan is given to protect against:

Pertussis
Tuberculosis✔️
Diphtheria
Typhoid

Correct Answer Logic:

The BCG (Bacillus Calmette-Guérin) vaccine protects against tuberculosis (TB), particularly severe forms in children:

Miliary tuberculosis
Tuberculous meningitis

In Pakistan's EPI schedule, BCG is given at birth or as early as possible as a single intradermal dose of 0.05 ml (in infants) into the left upper arm. A tuberculin skin test (Mantoux) that is positive before vaccination is a contraindication. Pakistan has one of the highest TB burdens globally, making BCG vaccination critical in community health nursing practice.

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Civil Procedure QUESTION #5672

Question 19

A plaintiff files a complaint and the defendant is served. The defendant files a Rule 12(b)(6) motion to dismiss, which the court denies. The defendant then files an answer 10 days later. Is the answer timely under Rule 12(a)(4)?

Yes, because the defendant has 21 days from the denial of the motion.
No, the defendant should have filed the answer within 14 days of the notice of the court's action.
Yes, the answer is timely because it was filed within 14 days of the notice of the court's action.✔️
No, the filing of a motion does not stay the time to answer.

Correct Answer Logic:

Rule 12(a)(4)(A) states that if the court denies a motion or postpones its disposition until trial, the responsive pleading must be served within 14 days after notice of the court's action.

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English QUESTION #494

Question 20

They tried to pacify him for kindness and affection.

They tried to pacify him for kindness and affection.
They tried to pacify him in kindness and affection.
They tried to pacify him by kindness and affection.
They tried to pacify him with kindness and affection.✔️

Correct Answer Logic:

'Pacify with' is correct

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