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Chemistry QUESTION #7356

Two radiations have energies $E_1 = 25$ eV and $E_2 = 50$ eV. The relationship between their wavelengths $\lambda_1$ and $\lambda_2$ is:

$\lambda_1 = \lambda_2$
$\lambda_1 = 2\lambda_2$✔️
$\lambda_1 = 4\lambda_2$
$\lambda_1 = \dfrac{1}{2}\lambda_2$

Correct Answer Logic:

Using: $E = \dfrac{hc}{\lambda}$, so $\lambda \propto \dfrac{1}{E}$

$\dfrac{\lambda_1}{\lambda_2} = \dfrac{E_2}{E_1} = \dfrac{50}{25} = 2$

Therefore $\lambda_1 = 2\lambda_2$.

Higher energy photons have shorter wavelengths — a fundamental relationship from Planck's quantum theory.

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English QUESTION #4417

Question 2

The keys were found __________ the drawer where you left them last week.

under
in✔️
on
beside

Correct Answer Logic:

The preposition 'in' is correct here because keys are located inside a drawer. 'Under' means beneath, 'on' means on top of a surface, and 'beside' means next to — none of these fit the context of being inside a drawer.

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The Elections Act 2017 QUESTION #9432

Question 3

Under Section 61(1) [as amended 2023], the nomination deposit for election to the National Assembly is Rs. 30,000 and for Provincial Assembly is Rs. 20,000. What does Section 61(3) [as amended 2023] now provide regarding refundability of this deposit?

It is refunded if the candidate secures more than one-eighth of total votes polled
It is refunded only if the candidate wins the election
The sum deposited shall be non-refundable✔️
It is refunded upon submission of election expense return

Correct Answer Logic:

Section 61(3), as substituted by the Elections (Second Amendment) Act 2023, now states: 'The sum deposited shall be non-refundable' — eliminating the earlier refund provisions.

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Political Science QUESTION #6666

Question 4

The concept of 'Historical Materialism' is most closely associated with which thinker?

Hegel
Karl Marx✔️
Lenin
None of these

Correct Answer Logic:

Karl Marx used historical materialism to explain the evolution of society through class struggle.

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General Knowledge QUESTION #176

Question 5

Trump has threatened to take control of the Panama Canal due to:

Security issues
Fee Charges increase
Trade Dispute
None of these✔️

Correct Answer Logic:

This refers to political rhetoric regarding Chinese influence over the canal.

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Information Technology QUESTION #1146

Question 6

What does the 'A' in ACID properties of a database stand for?

Availability
Atomicity✔️
Authentication
Accuracy

Correct Answer Logic:

Atomicity ensures that a transaction is treated as a single "unit," which either succeeds completely or fails completely.

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English QUESTION #8362

Question 7

Change to indirect speech: He said to her, 'Don't read so fast.'

He requested her to read not so fast
He ordered her to read so fast
He forbade her to read so fast✔️
He ordered her not to read so fast

Correct Answer Logic:

'Forbade' is used for negative commands.

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Civil Procedure QUESTION #3724

Question 8

A person keeps a pet tiger in a reinforced steel cage in their backyard. A trespasser climbs over two fences, cuts the lock on the cage, and is bitten by the tiger. Is the owner liable under strict liability for wild animals?

Yes, owners of wild animals are always strictly liable for any injuries they cause.
No, because the tiger was properly caged.
No, because strict liability for wild animals generally does not extend to undiscovered trespassers.✔️
Yes, but only if the tiger had bitten someone before.

Correct Answer Logic:

Strict liability for wild animals usually does not apply to trespassers, especially those whose presence is unknown and who actively break into the animal's enclosure.

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Verbal Reasoning QUESTION #8154

Question 9

Runner A completed a distance of $\dfrac{4}{5}$ kilometer, while Runner B ran 800 meters. Compare the distances covered by each runner.

Quantity A: The distance Runner A ran

Quantity B: The distance Runner B ran

Quantity A is greater
Quantity B is greater
The two quantities are equal✔️
The relationship cannot be determined from the information given

Correct Answer Logic:

Convert both distances to the same unit.

Runner A ran $\dfrac{4}{5}$ km $= 0.8$ km $= 800$ meters.

Runner B ran $800$ meters.

Both runners covered exactly the same distance: 800 meters.

Therefore the two quantities are equal.

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3625

Question 10

Which of the following is a common 'Inhalant Allergen'?

Peanut butter
Pollen✔️
Penicillin
Bee sting

Correct Answer Logic:

Pollens, dust, and molds are common allergens taken in through breathing.

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CISA QUESTION #6866

Question 11

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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Physics QUESTION #6989

Question 12

A parallel plate capacitor of capacitance 90 pF is connected to a 20 V battery. A dielectric slab with dielectric constant $K = \dfrac{5}{3}$ is then inserted between the plates. What is the magnitude of the induced (bound) charge on the dielectric?

2.4 nC
0.9 nC
1.2 nC✔️
0.3 nC

Correct Answer Logic:

Initial charge (without dielectric):

$Q_0 = C_0 V = 90 \times 10^{-12} \times 20 = 1800\ \text{pC} = 1.8\ \text{nC}$

New capacitance with dielectric:

$C = KC_0 = \frac{5}{3} \times 90 = 150\ \text{pF}$

New free charge:

$Q = CV = 150 \times 10^{-12} \times 20 = 3000\ \text{pC} = 3\ \text{nC}$

Induced charge on dielectric:

$Q_{induced} = Q\left(1 - \frac{1}{K}\right) = 3 \times \left(1 - \frac{3}{5}\right) = 3 \times \frac{2}{5} = 1.2\ \text{nC}$

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English QUESTION #2757

Question 13

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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Math Physics Chemistry Biology QUESTION #72

Question 14

Kidneys perform their osmoregulatory role under the effect of Antidiuretic Hormone, which type of urine is produced in this situation?

Hypotonic urine with decreased volume
Hypotonic urine with increased volume
Hypertonic urine with decreased volume✔️
Hypertonic urine with Increased volume

Correct Answer Logic:

Under the effect of ADH, the kidneys work to conserve water, resulting in a small amount of highly concentrated (hypertonic) urine

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General Knowledge QUESTION #8840

Question 15

The construction of the Wullar Barrage by India would result in:

Scratching canal irrigation in Pakistan
Threat to defence measures
Minimizing energy production
All of these✔️

Correct Answer Logic:

Wullar Barrage affects Pakistan's water supply, defence, and energy.

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Pakistan Affairs QUESTION #9033

Question 16

Which is Pakistan's largest gas-fired power plant?

Uch power plant✔️
Malakand-Dargai power plant
Gomal power plant
Faisalabad Gas Turbine power plant

Correct Answer Logic:

Uch Power Plant is the largest gas-fired facility in Pakistan.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3525

Question 17

In the 'Homeopathic' system, drugs are selected based on the principle of:

Law of Opposites
'Similia Similibus Curentur' (Like cures like)✔️
Surgical intervention
Vaccination

Correct Answer Logic:

Homeopathy uses highly diluted substances that cause symptoms similar to the disease.

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English QUESTION #2793

Question 18

Choose the word that BEST COMPLETES the sentence: 'Despite working hard

she could not ___ the target.'✔️
achieve
achieving
achieved

Correct Answer Logic:

No explanation provided for this question.

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Islamic Studies QUESTION #354

Question 19

Ibn e Rushd (Averroes), the Great Muslim Philosopher, was:

Egyptian
Spanish✔️
Iranian
Arabian

Correct Answer Logic:

He was born in Córdoba, Al-Andalus (modern-day Spain).+1

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CISA QUESTION #1736

Question 20

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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