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Biology QUESTION #7273

Phylogenetic system of classification is based on:

Floral characters
Evolutionary relationships✔️
Morphological features
Chemical constituents

Correct Answer Logic:

A phylogenetic (or cladistic) system of classification is based on evolutionary relationships among organisms, reflecting their common ancestry. It uses molecular data, fossil records, and comparative anatomy to construct evolutionary trees. Bentham and Hooker used a natural system based on morphology; Engler and Prantl used a phylogenetic approach.

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Pakistan Affairs QUESTION #163

Question 2

What was the British original plan regarding the Indian and Pakistan Armies after Partition?

To keep both armies under one British leader✔️
To keep both armies under separate leaders
To keep the Indian Army under a Pakistani leader
To merge both armies into a single force

Correct Answer Logic:

Field Marshal Auchinleck remained Supreme Commander of both armies for a transition period.

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English QUESTION #8513

Question 3

The lecture _______ yesterday was really impressive.

Gave
Spoke
Made
Delivered✔️

Correct Answer Logic:

'Delivered a lecture' is correct.

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General Knowledge QUESTION #8829

Question 4

Value Added Tax (VAT) is a type of tax that:

Is a direct tax
Results in redistribution of income from rich to poor
Results in taxing the rich more
Applies to rich and poor equally✔️

Correct Answer Logic:

VAT is a consumption tax applied equally on all consumers.

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Physics QUESTION #1060

Question 5

A body weighs 48 N on Earth surface. Gravitational force at height $h = R/3$ from surface is:

32 N
36 N
16 N
27 N✔️

Correct Answer Logic:

At height $h$: $g_h = \frac{GM}{(R+h)^2} = \frac{g}{(1+h/R)^2}$. $h=R/3\Rightarrow 1+h/R=4/3$. $g_h=\frac{g}{(4/3)^2}=\frac{9g}{16}$. Weight $=48\times\frac{9}{16}=27\ \text{N}$.

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Law QUESTION #5659

Question 6

When a criminal act is done by several persons in furtherance of the __________ of all each such person is liable for that act in the same manner as if it were done by him alone.

common intention✔️
common object
Mens Rea
Actus Rea

Correct Answer Logic:

Under Section 34 PPC when a criminal act is done by several persons in furtherance of the common intention of all each such person is liable for that act as if it were done by him alone. This is the doctrine of joint liability based on common intention.

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Physics QUESTION #7079

Question 7

Determine the pressure required at the ends of a steel wire (length $10\text{ cm}$) to maintain a constant length when the temperature is increased by $100^{\circ}\text{C}$. (Given: Steel Young's modulus $Y = 2 \times 10^{11}\text{ Nm}^{-2}$ and coefficient of thermal expansion $\alpha = 1.1 \times 10^{-5}\text{ K}^{-1}$)

$2.2 \times 10^{7}\text{ Pa}$
$2.2 \times 10^{6}\text{ Pa}$
$2.2 \times 10^{8}\text{ Pa}$✔️
$2.2 \times 10^{9}\text{ Pa}$

Correct Answer Logic:

The thermal stress required to keep the length constant is given by the formula:

$\text{Stress} = Y \alpha \Delta T$
Substituting the values: $\text{Stress} = (2 \times 10^{11}) \times (1.1 \times 10^{-5}) \times 100$
$\text{Stress} = 2.2 \times 10^{8}\text{ Pa}$

Pressure is equivalent to the stress applied at the ends.

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MBBS QUESTION #10303

Question 8

Serum protein electrophoresis, used clinically to detect abnormal protein bands such as a monoclonal spike in multiple myeloma, separates plasma proteins primarily based on their:

Molecular weight and density via sedimentation
Charge-to-mass ratio and size under an applied electric field✔️
Affinity for a stationary chromatographic matrix
Absorbance of specific wavelengths of light

Correct Answer Logic:

Electrophoresis separates charged molecules by their migration rate through a supporting medium under an electric field, a rate determined by charge, size, and shape — the basis for detecting abnormal albumin/globulin band patterns, including the monoclonal gammopathy spike of multiple myeloma.

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Physics QUESTION #7060

Question 9

Two moles of a monoatomic ideal gas occupy volume $V$ at $27^\circ\text{C}$. It expands adiabatically to $2V$. Calculate the final temperature and the internal energy change. ($\gamma = 5/3$, $2^{2/3} \approx 1.587$)

(a) $189 \text{ K}$ (b) $-2.7 \text{ kJ}$✔️
(a) $195 \text{ K}$ (b) $2.7 \text{ kJ}$
(a) $189 \text{ K}$ (b) $2.7 \text{ kJ}$
(a) $195 \text{ K}$ (b) $-2.7 \text{ kJ}$

Correct Answer Logic:

For adiabatic expansion: $T_1 V_1^{\gamma-1} = T_2 V_2^{\gamma-1}$

$300 \times V^{2/3} = T_2 \times (2V)^{2/3} \implies T_2 = \frac{300}{2^{2/3}} \approx \frac{300}{1.587} \approx 189 \text{ K}$

Change in internal energy: $\Delta U = n C_v \Delta T = n \left(\frac{3}{2}R\right) (T_2 - T_1)$

$\Delta U = 2 \times 1.5 \times 8.31 \times (189 - 300) \approx 24.93 \times (-111) \approx -2767 \text{ J} \approx -2.7 \text{ kJ}$.

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English QUESTION #8375

Question 10

Commence means:

Arrange
Understand
Try
Begin✔️

Correct Answer Logic:

Commence means to begin.

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Civil Procedure QUESTION #3724

Question 11

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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Accounting Finance and Punjab Sales Tax on Services QUESTION #2559

Question 12

Under section 49(1)(b) of the Punjab Sales Tax on Services Act, 2012, the default surcharge rate specifically applicable where the default is on account of TAX FRAUD is:

Inter-bank rate plus three percent per annum
One percent per month
Two percent per month✔️
Five percent per annum

Correct Answer Logic:

Section 49(1)(b) provides that in case the default is on account of tax fraud, the person who has committed tax fraud shall pay default surcharge at the rate of TWO percent per month of the amount of tax evaded, till the entire liability is paid. The general rate under 49(1)(a) is inter-bank rate plus 3% per annum.

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English Literature QUESTION #10705

Question 13

In which novel did D. H. Lawrence deal with the psychological phenomenon known as the "Oedipus Complex"?

Lady Chatterley's Lover
Sons and Lovers✔️
The Trespasser
The Boy in the Bush

Correct Answer Logic:

Sons and Lovers (1913) is D. H. Lawrence's semi-autobiographical novel that explores the Oedipus Complex — Paul Morel's intense, consuming relationship with his mother Gertrude, which prevents him from forming healthy romantic relationships with other women. The novel is widely considered a classic study of Oedipal dynamics in literature, drawing on Freudian concepts of maternal attachment and sexual development.

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CISA QUESTION #1739

Question 14

In regulatory language, what is the operative distinction between the words 'should' and 'shall'?

'Shall' denotes discretionary requirements while 'should' provides advisory guidance.
'Should' signals mandatory obligations whereas 'shall' provides advisory recommendations.
'Should' and 'shall' are functionally equivalent; interpretation depends on the specific audit context.
'Should' denotes actions that are discretionary based on circumstances, while 'shall' indicates that the action is obligatory regardless of financial or operational impact.✔️

Correct Answer Logic:

In regulatory and legal drafting, 'shall' is a term of compulsion — it imposes a non-negotiable mandatory obligation that must be complied with regardless of cost, convenience, or financial impact. 'Should', by contrast, is a term of recommendation — it signals strongly advised but ultimately discretionary action. Auditors must be alert to this distinction when evaluating regulatory compliance, since mistaking a 'shall' requirement for a 'should' recommendation constitutes a material error in compliance assessment.

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Islamic Studies QUESTION #8243

Question 15

When did the Holy Prophet (PBUH) offer Hajj?

4 A.H
8 A.H
c 8 A.H
10 A.H✔️

Correct Answer Logic:

The Holy Prophet Muhammad (PBUH) performed Hajj only once in his lifetime, known as Hajjat-ul-Wida (Farewell Pilgrimage) in 10 AH (632 CE). During this Hajj, over 100,000 Muslims accompanied him. He delivered the famous Last Sermon on Mount Arafat on 9th Dhul Hijjah, which outlined fundamental Islamic principles and human rights. This was the first and last Hajj performed by the Prophet (PBUH), as he passed away three months later.

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General Knowledge QUESTION #8675

Question 16

Through which of the following countries does the Equator pass?

Brazil
Canada
Kenya✔️
None above

Correct Answer Logic:

The Equator passes through Kenya in Africa.

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Pakistan Affairs QUESTION #9041

Question 17

Besides Quaid-i-Azam, another leader of the Pakistan Movement was born on December 25th. Who was he?

Sardar Abdur Rab Nishtar
Chaudhri Rehmat Ali
Chaudhri Khaliq-uz-Zaman✔️
Maulvi Fazal-ul-Haq

Correct Answer Logic:

Chaudhri Khaliq-uz-Zaman was also born on Dec 25.

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Molecular Biology / Bioinformatics / Biochemistry QUESTION #11111

Question 18

Which form of DNA is described by the Watson-Crick double helix model?

B-DNA✔️
Z-DNA
A-DNA
Quadruplex DNA

Correct Answer Logic:

Watson and Crick's 1953 model describes B-DNA — the most common physiological form of DNA in aqueous solution at normal cellular conditions. B-DNA features: right-handed double helix, ~10.4 bp per turn, rise of 0.34 nm per base pair, major and minor grooves, antiparallel strands, and Watson-Crick base pairing (A-T: 2 H-bonds; G-C: 3 H-bonds). A-DNA occurs in dehydrated conditions; Z-DNA is left-handed; quadruplex DNA involves G-rich sequences in telomeres.

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CISA QUESTION #6831

Question 19

An IS auditor evaluates encryption implementation and finds that data at rest is encrypted using AES-256, but encryption keys are stored on the same server in a plaintext configuration file. What is the MOST critical finding?

Weak encryption algorithm
Ineffective key management negates encryption protection✔️
Poor documentation
Insufficient key length

Correct Answer Logic:

Encryption is only as strong as key management. Storing encryption keys in plaintext on the same system as encrypted data provides no real protection—an attacker who gains access to the encrypted data can immediately access the keys. This represents a fundamental failure in cryptographic implementation.

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Math Physics Chemistry Biology QUESTION #7756

Question 20

Which part of the brain primarily controls your sense of balance and coordination?

Amygdala
Cerebellum✔️
Hippocampus
Medulla Oblongata

Correct Answer Logic:

The cerebellum processes sensory information and coordinates voluntary movements, balance, posture, and fine motor control. Amygdala: emotion; Hippocampus: memory; Medulla: autonomic functions.

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