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MCQs Section QUESTION #5279

Question 1

محاورہ کس زبان کا لفظ ہے؟

عربی✔️
فارسی
ترکی
ہندی

Correct Answer Logic:

محاورہ عربی زبان کا لفظ ہے جس کے معنی گفتگو کرنا یا آپس میں بات کرنا ہیں۔

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Math Physics Chemistry Biology QUESTION #4295

Question 2

The following is an example of a globular protein:

Keratin
Collagen
Hemoglobin✔️
Histone

Correct Answer Logic:

Hemoglobin is a classic globular protein — roughly spherical, water-soluble, and has a functional/metabolic role (oxygen transport). Keratin and collagen are fibrous proteins.

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3680

Question 3

'Wool Fat' (Lanolin) is obtained from the wool of:

Sheep (Ovis aries)✔️
Goat
Cow
Rabbit

Correct Answer Logic:

Lanolin is used as a base for ointments and creams.

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Security Measures to Maintain Law and Order QUESTION #7681

Question 4

What is the primary purpose of the Security Force?

Protection of the buildings and individuals inside✔️
Protocol for civilian individuals
To cause violence
All of these

Correct Answer Logic:

The primary purpose of security forces, particularly specialized units like ASF, is to protect buildings, infrastructure, and individuals inside from threats. They provide physical security, access control, and emergency response to ensure safety and security.

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Therapeutics and Patient Care QUESTION #3863

Question 5

Which lipid-lowering agent belongs to the fibrate class and is indicated for elevated triglycerides and cholesterol?

Hyperlipidaemia✔️
Hyperglycaemia
Hyperaldosteronism
Hypertension

Correct Answer Logic:

Gemfibrozil is a fibrate used to manage hyperlipidaemia by reducing triglycerides and LDL cholesterol.

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Civil Engineering QUESTION #6568

Question 6

In differential levelling, the back sight (BS) reading on a benchmark of RL $500\,\text{m}$ is $2.685\,\text{m}$ and the fore sight (FS) reading on a new point is $1.345\,\text{m}$. The RL of the new point is:

502.685 m
501.340 m✔️
501.345 m
504.030 m

Correct Answer Logic:

Height of Instrument $= 500 + 2.685 = 502.685\,\text{m}$. RL of point $= 502.685 - 1.345 = 501.340\,\text{m}$.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3423

Question 7

'Beri-beri' is a disease caused by the deficiency of:

Vitamin B1 (Thiamine)✔️
Vitamin B2 (Riboflavin)
Vitamin B3 (Niacin)
Vitamin B12

Correct Answer Logic:

Common in populations relying heavily on polished rice.

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Physics QUESTION #7831

Question 8

Two charges +5μC and -5μC separated by 2d. Electric potential at midpoint M:

2kQ/d
kQ/d
None

Correct Answer Logic:

Midpoint: distance from each charge = d. Potential = k(5μ)/d + k(-5μ)/d = 0.

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Pakistan Affairs QUESTION #324

Question 9

Who is Pakistan's first female mountaineer to conquer Mount Everest?

Nazia Parveen
Samina Baig✔️
Mahoor Shahzad
Benazir Bhutto

Correct Answer Logic:

Samina Baig became the first Pakistani woman to reach the summit of Mount Everest in 2013.

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Statistics QUESTION #1982

Question 10

The partial correlation coefficient $r_{12.3}$ between $X_1$ and $X_2$ after eliminating the linear effect of $X_3$ is computed as the simple correlation between:

$X_1$ and $X_2$ directly
The residuals $X_{1.3}$ and $X_{2.3}$ from their respective regressions on $X_3$✔️
The standardized values of $X_1$ and $X_2$
The ranked values of $X_1$ and $X_2$

Correct Answer Logic:

The partial correlation $r_{12.3}$ is defined as the Pearson correlation between the residuals $X_{1.3} = X_1 - \hat{X}_{1|X_3}$ and $X_{2.3} = X_2 - \hat{X}_{2|X_3}$. This removes the linear influence of $X_3$ from both $X_1$ and $X_2$ before computing their correlation.

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Mathematics QUESTION #11182

Question 11

Which of the following is nowhere dense in $\mathbb{R}$?

$\mathbb{R}\setminus\mathbb{Z}$
$\mathbb{Z}$✔️
$\cup(n,n+1),\,n\in\mathbb{Z}$
$\mathbb{Q}$

Correct Answer Logic:

A set $A$ is nowhere dense if the interior of its closure is empty. $\mathbb{Z}$ is closed and its interior is empty (no open interval is contained in $\mathbb{Z}$), so $\overline{\mathbb{Z}}^0 = \mathbb{Z}^0 = \emptyset$. Thus $\mathbb{Z}$ is nowhere dense. $\mathbb{Q}$ is dense in $\mathbb{R}$ (not nowhere dense); $\mathbb{R}\setminus\mathbb{Z}$ is open and dense.

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CISA QUESTION #1774

Question 12

Which type of evidence sampling technique involves examining 100 percent of available items?

Attribute
Stop-and-go
Cell
Discovery✔️

Correct Answer Logic:

Discovery sampling is deployed when fraud is suspected or when the likelihood of locating relevant evidence is low. Its goal is to examine as close to 100 percent of the population as possible to ensure that no evidence of irregularity is overlooked. Other sampling types are used in standard compliance testing.

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Education QUESTION #1483

Question 13

Aristotle is the originator of which educational philosophy, which holds that reality exists independent of the human mind?

Idealism
Pragmatism
Realism✔️
Reconstructionism

Correct Answer Logic:

Realism holds that the world of physical objects is the ultimate reality and that reality exists independent of the human mind. Its originator is Aristotle.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3305

Question 14

'Antiserum' provides which type of immunity?

Active Natural
Active Artificial
Passive Artificial✔️
Passive Natural

Correct Answer Logic:

Antiserum contains pre-formed antibodies (e.g., anti-venom) for immediate protection.

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General Knowledge QUESTION #8632

Question 15

In which Hijri year did the Battle of Karbala occur?

58 AH
60 AH✔️
70 AH
None of above

Correct Answer Logic:

The battle took place in 61 AH (680 CE). Option not exactly correct but closest is B.

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MBBS QUESTION #10310

Question 16

A patient with cirrhosis develops hypoalbuminemia and peripheral edema. Albumin's principal biochemical contributions to plasma include:

Maintaining plasma oncotic (colloid osmotic) pressure and acting as a carrier protein for bilirubin, drugs, hormones, and fatty acids✔️
Carrying oxygen in the bloodstream
Functioning primarily as a clotting factor
Serving as the major circulating immunoglobulin

Correct Answer Logic:

As the most abundant plasma protein, albumin generates most of plasma's oncotic pressure (retaining fluid within the vasculature) and serves as a nonspecific carrier for numerous poorly water-soluble substances; hypoalbuminemia from impaired hepatic synthesis in cirrhosis reduces oncotic pressure, contributing to edema/ascites.

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General Knowledge QUESTION #8621

Question 17

Which tribal agency of FATA (Federally Administered Tribal Areas) is the largest by area?

South Waziristan✔️
North Waziristan
Orakzai
Bajaur

Correct Answer Logic:

South Waziristan is the largest agency.

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CISA QUESTION #1771

Question 18

Which document produced during audit planning is specifically used to match individuals to tasks and support requests for training funding and quality assurance?

Skills matrix✔️
Procurement matrix
Task matrix
Activities matrix

Correct Answer Logic:

A skills matrix identifies the competencies of each team member and ensures that appropriately qualified individuals are assigned to specific tasks. It also provides a basis for justifying funding requests for additional training or personnel during the planning phase.

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Math Physics Chemistry Biology QUESTION #7769

Question 19

The genetic material of which virus is enclosed by a lipid membrane (envelope)?

Enterovirus
Flu virus (Influenza)✔️
Hepatitis A virus
Polio virus

Correct Answer Logic:

Influenza virus is an enveloped virus (lipid bilayer derived from host cell). Enterovirus, Hepatitis A, and Polio are non-enveloped (naked) picornaviruses.

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Statistics QUESTION #1998

Question 20

In a simple linear regression of number of breakdowns $(Y)$ on machine age $(X)$, the least squares estimate of slope $\hat{\beta}$ is given by:

$\dfrac{SS_{xy}}{SS_{xx}}$✔️
$\dfrac{SS_{xx}}{SS_{xy}}$
$\dfrac{SS_{yy}}{SS_{xx}}$
$\dfrac{SS_{xy}}{SS_{yy}}$

Correct Answer Logic:

The least squares slope estimate is $\hat{\beta} = \dfrac{SS_{xy}}{SS_{xx}} = \dfrac{\sum(X_i - \bar{X})(Y_i - \bar{Y})}{\sum(X_i - \bar{X})^2}$. The intercept is then $\hat{\alpha} = \bar{Y} - \hat{\beta}\bar{X}$.

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