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The Umayyad Caliphate was overthrown at the Battle of Zab in 750 CE (not 751). This battle was fought on the banks of the Great Zab River. The Abbasids, led by Abu al-Abbas, defeated the last Umayyad Caliph Marwan II, establishing the Abbasid Caliphate that lasted until 1258 CE.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3567

Question 2844

'Coriander' (Dhania) is used as a:

Stimulant and Carminative✔️
Poison
Narcotic
Hormone

Correct Answer Logic:

Coriandrum sativum is a common digestive aid.

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Home Economics QUESTION #6237

Question 2845

Which weave is known for its characteristic diagonal lines on the fabric surface?

Plain weave
Satin weave
Twill weave✔️
Basket weave

Correct Answer Logic:

Twill weave, commonly seen in denim, creates a distinct diagonal rib or pattern.

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English QUESTION #2715

Question 2846

Complete the analogy: 'Teacher : School :: ___ : Kitchen'

Doctor
Chef✔️
Farmer
Lawyer

Correct Answer Logic:

A teacher works in a school; a chef works in a kitchen.

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Nursing QUESTION #9231

Question 2847

In a patient receiving mechanical ventilation, the ventilator alarms show high peak airway pressure with a normal plateau pressure. What is the MOST likely cause?

Pneumothorax
Pulmonary fibrosis
Endotracheal tube obstruction or bronchospasm✔️
ARDS with reduced lung compliance

Correct Answer Logic:

Correct Answer: C — ETT obstruction or bronchospasm

Differentiating high peak vs. high plateau pressure is critical:

Finding	Cause	Problem
High Peak + Normal Plateau	Increased airway resistance	ETT kinking/obstruction, secretions, bronchospasm, biting the tube
High Peak + High Plateau	Decreased lung compliance	ARDS, pneumothorax, pulmonary edema, auto-PEEP

Formula: \[\text{Compliance} = \frac{V_T}{P_{\text{plateau}} - \text{PEEP}}\]
Normal compliance $\approx 50 - 100 \text{ mL/cmH}_2\text{O}$

Nursing action for high peak, normal plateau:

Suction the ETT for secretions
Check for tube kinking or patient biting
Administer bronchodilator if bronchospasm suspected
Assess breath sounds bilaterally

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Math Physics Chemistry Biology QUESTION #4282

Question 2848

A mature duplicated chromosome consists of:

Two identical double helical DNA molecules✔️
Two different double helical DNA molecules
A double helical DNA molecule distributed in both chromatids
Histone chains wrapped around DNA core

Correct Answer Logic:

After DNA replication, a duplicated chromosome consists of two identical sister chromatids, each containing a complete double-stranded DNA molecule, joined at the centromere.

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General Abilities QUESTION #2862

Question 2849

Find the value of each interior angle of a regular hexagon.

100°
110°
120°✔️
135°

Correct Answer Logic:

Sum of interior angles of a polygon with $n$ sides $= (n-2) \times 180°$. For hexagon $(n=6)$: $= 4 \times 180° = 720°$. Each angle $= \dfrac{720°}{6} = 120°$.

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3631

Question 2850

'Tinctures' are alcoholic or hydro-alcoholic extractions of:

Minerals only
Crude drugs (plant or animal material)✔️
Synthetic powders
Pure water

Correct Answer Logic:

Tinctures are common liquid forms of herbal medicines.

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CISA QUESTION #1788

Question 2851

Which of the following is NOT a valid purpose of risk analysis in the context of IS auditing?

Supporting risk-based audit decisions
Helping the auditor identify and define audit objectives
Assisting the auditor in recognizing risks and potential threats
Guaranteeing absolute safety during the audit process✔️

Correct Answer Logic:

Risk analysis informs the auditor's planning and decision-making by identifying risks, setting objectives, and prioritizing areas of focus. However, it cannot and does not guarantee absolute safety or certainty in the audit process. The abstract nature of technology means that IS auditing can never achieve absolute assurance.

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Mathematics QUESTION #4125

Question 2852

For $f(z) = \frac{1}{z}$, writing $z = re^{i\theta}$, the Cauchy-Riemann equations in polar form are satisfied when:

$u_r = \frac{1}{r}v_\theta$ and $v_r = -\frac{1}{r}u_\theta$
$u_r = \frac{1}{r}u_\theta$ and $v_r = \frac{1}{r}v_\theta$
$ru_r = v_\theta$ and $rv_r = -u_\theta$
Both (A) and (C) are equivalent correct forms✔️

Correct Answer Logic:

Polar C-R equations: $\frac{\partial u}{\partial r} = \frac{1}{r}\frac{\partial v}{\partial \theta}$ and $\frac{\partial v}{\partial r} = -\frac{1}{r}\frac{\partial u}{\partial \theta}$, equivalent to $ru_r = v_\theta$ and $rv_r = -u_\theta$.

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Education QUESTION #6697

Question 2853

In a classroom where students exhibit diverse learning styles, a teacher plans a 40-minute lesson using only lecture method. Considering attention span and neurological processing, what is the PRIMARY pedagogical flaw in this approach?

Failure to assess prior knowledge
Neglecting right-hemisphere brain functions and varied learning modalities✔️
Insufficient use of formative assessment
Lack of differentiated content

Correct Answer Logic:

Research indicates attention spans are approximately 10-15 minutes for students. More critically, lecture-only instruction predominantly activates left-hemisphere functions (verbal, logical, detail-oriented), neglecting right-hemisphere development (visual, spatial, creative). Multi-methodology addresses auditory, visual, and kinesthetic learners while maintaining engagement through varied instructional techniques.

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Math Physics Chemistry Biology QUESTION #528

Question 2854

In general, asexual reproduction is common in

Humans
Basidiomycota
Deuteromycota✔️
Basidiospores

Correct Answer Logic:

Deuteromycota (Fungi Imperfecti) reproduce asexually

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Math Physics Chemistry Biology QUESTION #733

Question 2855

1 Cal = ___ J

418
400
10
4.18✔️

Correct Answer Logic:

1 calorie (small cal) = 4.18 Joules. 1 kcal = 4180 J ≈ 418 J but the standard value for 1 cal is 4.18 J.

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HR and Management QUESTION #6437

Question 2856

The primary purpose of Human Resource Planning (HRP) is to:

Ensure the right number and types of people are available when needed✔️
Reduce overall headcount to minimize costs
Comply with equal employment opportunity laws
Develop training programs for current employees

Correct Answer Logic:

HRP ensures that organizations have the right number of people, with the right skills, in the right places, at the right times. It's a proactive process linking HR activities to organizational strategy and forecasting future needs.

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Reading and Writing (Module-1) QUESTION #5341

Question 2857

Many people enjoy drinking tea for its caffeine content. ______, others prefer it for the calming ritual of its preparation. Which choice completes the text with a transition that most logically connects the ideas?

Similarly,
However,✔️
Therefore,
In fact,

Correct Answer Logic:

'However' connects the two different reasons people enjoy tea.

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General Knowledge QUESTION #8820

Question 2858

Union Jack is the national flag of which country?

America
England (United Kingdom)✔️
Canada
France

Correct Answer Logic:

The Union Jack is the flag of the United Kingdom.

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Math Physics Chemistry Biology QUESTION #4244

Question 2859

Binding site for a substrate on enzyme is:

Allosteric site
Passive site
Active site✔️
Regulatory site

Correct Answer Logic:

Substrate binds at active site.

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Chemistry QUESTION #5570

Question 2860

Which of the following compounds will produce a significant amount of meta-substituted product during mono-nitration?

Phenyl acetate ($-OCOCH_3$ group)✔️
Aniline ($-NH_2$ group)
Acetanilide ($-NHCOCH_3$ group)
Phenol ($-OH$ group)

Correct Answer Logic:

Meta directors are electron-withdrawing groups (EWG) that direct incoming electrophiles to the meta position. $-OCOCH_3$ (ester group, phenyl acetate) acts as a deactivating meta director because the carbonyl group withdraws electrons from the ring through resonance. $-NH_2$, $-NHCOCH_3$, and $-OH$ are all ortho/para directors.

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