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MCQs Section QUESTION #4907

A peculiar feature of the embryonic mammalian circulatory system is that in the area of the heart the cells adhere to one another, _____ exclusive of one another.

beating in unison and adopting
they beat in unison while adopting
beat in unison, and adopt
beating in unison yet adopting✔️

Correct Answer Logic:

Beating in unison yet adopting' uses 'yet' to convey the meaningful contrast: the cells beat together yet adopt mutually exclusive orientations. 'And' in option A fails to express this contrast. Options B and E introduce finite verb clauses that break the participial parallel. Option C uses base-form verbs that do not fit grammatically.

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Civil Engineering QUESTION #2129

Question 2

In water treatment, coagulation and flocculation are distinct processes where:

Coagulation uses slow mixing to form large settleable flocs; flocculation uses rapid mixing to destabilize colloids
Coagulation (rapid mixing) destabilizes colloidal particles by neutralizing their surface charge (zeta potential) using alum or ferric salts; flocculation (slow, gentle mixing) then aggregates the destabilized particles into larger, settleable floc through physical contact and van der Waals forces✔️
Both processes are identical and occur simultaneously in the same mixing unit
Coagulation removes dissolved solids; flocculation removes suspended solids

Correct Answer Logic:

Coagulation: rapid mixing (30–60 sec, G = 300–1000 s⁻¹) with coagulant (alum: Al₂(SO₄)₃, produces Al(OH)₃) neutralizes the negative surface charge of colloids, reducing electrostatic repulsion (double layer compression). Flocculation: slow mixing (10–30 min, G = 10–75 s⁻¹) promotes gentle particle collisions, building floc size through orthokinetic flocculation — floc must be large/dense enough to settle in clarifiers.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3074

Question 3

The term 'Proximal' describes a position that is:

Further from the point of attachment
Closer to the point of attachment✔️
Towards the midline
Away from the surface

Correct Answer Logic:

Proximal means nearer to the trunk or the point of origin of a part.

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Reading and Writing (Module-1) QUESTION #5321

Question 4

While many people believe that the primary function of a museum is to preserve artifacts, some curators argue that the ______ of those objects is equally important, as it allows the public to engage with history. Which choice completes the text with the most logical and precise word?

accessibility✔️
storage
origin
cost

Correct Answer Logic:

Engaging the public requires that objects be 'accessible,' making 'accessibility' the correct choice.

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Others section QUESTION #4690

Question 5

Which country manufactures the Entac anti-tank missile?

USA
England
France✔️
USSR

Correct Answer Logic:

The ENTAC (Engin Téléguidé Anti-Char) is a wire-guided anti-tank missile developed and manufactured by France.

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Biology QUESTION #563

Question 6

Which hormone continues to promote protein synthesis throughout the body even after the cease in growth?

TSH
ADH
ACTH
STH✔️

Correct Answer Logic:

Somatotropin (STH/GH) promotes protein synthesis

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Urdu QUESTION #5064

Question 7

'پتا پتا بوٹا بوٹا' والا شعر کس کا ہے؟

علامہ اقبال
میر تقی میر✔️
غالب
ان میں سے کوئی نہیں

Correct Answer Logic:

پتا پتا بوٹا بوٹا حال ہمارا جانے ہے، یہ مشہور شعر میر تقی میر کا ہے۔

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Pakistan Affairs QUESTION #308

Question 8

What is considered as the greatest monument of Pakistan-China collaboration?

Karakoram Highway✔️
Gawadar Port
Orange Line
None of these

Correct Answer Logic:

The Karakoram Highway (KKH), also known as the Friendship Highway, is the iconic symbol of this partnership.+2

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CISA QUESTION #1737

Question 9

Which type of audit is specifically focused on comparing the attributes of a finished product against its original design specifications?

Process audit
System audit
Compliance audit
Product audit✔️

Correct Answer Logic:

A product audit systematically compares a finished item — including its physical attributes, dimensions, markings, colour, and features — against the design specifications that governed its production. In the context of IS auditing, this type of audit is particularly relevant when certifying custom-built software or reviewing software prior to release from a development organisation, where the auditor must verify that the delivered product matches what was specified.

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Urdu QUESTION #5087

Question 10

ریختہ کے معانی کیا ہیں؟

بیان کرنا
ایجاد کرنا
خوش ہونا
ان میں سے کوئی نہیں✔️

Correct Answer Logic:

ریختہ فارسی لفظ ہے جس کے معنی ہیں گرا ہوا، بکھرا ہوا۔ اردو شاعری کا قدیم نام ریختہ تھا۔

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Urdu QUESTION #5292

Question 11

دامن تر ہونا محاورے کا مفہوم کیا ہے؟

آنسو سے بھیگ جانا
گنہگار ہونا✔️
غم میں شریک ہونا
پیاس بجھانا

Correct Answer Logic:

دامن تر ہونا محاورے کا مطلب ہے گنہگار ہونا یعنی اپنی آستین پر گناہ کے داغ ہونا۔

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Urdu QUESTION #5302

Question 12

اردو کا پہلا ڈرامہ کون سا ہے؟

انارکلی
اندر سبھا✔️
وارث
ان میں سے کوئی نہیں

Correct Answer Logic:

اردو کا پہلا ڈرامہ 'اندر سبھا' ہے جو آغا حسن امانت نے لکھا تھا۔

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Mathematics QUESTION #1288

Question 13

A linear transformation \(T:\mathbb{R}^3\to\mathbb{R}^2\) must satisfy, for all \(\mathbf{u},\mathbf{v}\in\mathbb{R}^3\) and scalar \(c\):

T(\(\mathbf{u}+\mathbf{v}) = T(\mathbf{u})\cdot T(\mathbf{v})\)
T(c\(\mathbf{u}) = c^2T(\mathbf{u})\)
T(\(\mathbf{u}+\mathbf{v}) = T(\mathbf{u})+T(\mathbf{v})\) and \(T(c\mathbf{u})=cT(\mathbf{u})\)✔️
T must be onto

Correct Answer Logic:

A linear transformation satisfies two properties: (1) Additivity: \(T(\mathbf{u}+\mathbf{v})=T(\mathbf{u})+T(\mathbf{v})\), and (2) Homogeneity: \(T(c\mathbf{u})=cT(\mathbf{u})\). Both must hold simultaneously. Together they imply \(T(c\mathbf{u}+d\mathbf{v})=cT(\mathbf{u})+dT(\mathbf{v})\).

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Statistics QUESTION #2010

Question 14

Laspeyres' price index uses quantities of the __________ period as weights, while Paasche's index uses quantities of the __________ period.

Current; base
Base; current✔️
Base; base
Current; current

Correct Answer Logic:

Laspeyres' index \(= \dfrac{\sum p_1 q_0}{\sum p_0 q_0} \times 100\) uses base period quantities \(q_0\) as fixed weights. Paasche's index \(= \dfrac{\sum p_1 q_1}{\sum p_0 q_1} \times 100\) uses current period quantities \(q_1\). Fisher's Ideal index is the geometric mean of both.

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Others section QUESTION #4733

Question 15

Who was the UN Secretary-General in 2007?

Kofi Annan
Ban Ki-moon✔️
Boutros Boutros-Ghali
Javier Pérez de Cuéllar

Correct Answer Logic:

Ban Ki-moon of South Korea became the 8th UN Secretary-General on January 1, 2007, succeeding Kofi Annan who served from 1997 to 2006.

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Library Sciences QUESTION #1523

Question 16

A 'current awareness service' using serials guides is designed primarily to:

Archive old periodical issues
Keep users informed about new publications and developments in their field of interest✔️
Convert print serials to digital format
Provide interlibrary loan services

Correct Answer Logic:

A current awareness service uses serials guides and periodical indexes to systematically notify users — especially researchers and professionals — about new articles, issues, or publications relevant to their specific subject interests as they are published.

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Library Sciences QUESTION #1502

Question 17

In verbal subject approaches, a pre-coordinated subject heading system combines multiple subject concepts at which stage?

At the time of searching
At the time of indexing✔️
At the time of acquisition
At the time of shelving

Correct Answer Logic:

Pre-coordination occurs at the time of indexing — the cataloguer combines multiple concepts into a single complex heading before the record is stored. Post-coordination allows users to combine terms at the time of searching.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3427

Question 18

'Denaturation' of a protein involves the loss of its:

Primary structure only
Tertiary and Secondary structure (Biological activity)✔️
Amino acids
Color

Correct Answer Logic:

Heat, acids, or heavy metals can cause a protein to unfold and stop functioning.

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Mechanical Engineering QUESTION #2527

Question 19

The principle of angular impulse and momentum about a fixed point O states:

Angular momentum equals linear momentum times radius
\(\mathbf{H}_{O2} - \mathbf{H}_{O1} = \int_{t_1}^{t_2}\sum\mathbf{M}_O\,dt\)✔️
Torque equals moment of inertia
Angular momentum is always conserved

Correct Answer Logic:

The angular impulse-momentum principle: \(\mathbf{H}_{O2}=\mathbf{H}_{O1}+\int_{t_1}^{t_2}\sum\mathbf{M}_O\,dt\), where \(\mathbf{H}_O=\mathbf{r}\times m\mathbf{v}\) is angular momentum.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3334

Question 20

'Mycology' is the study of:

Bacteria
Viruses
Fungi✔️
Algae

Correct Answer Logic:

Mycology covers yeasts, molds, and mushrooms.

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