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Math Physics Chemistry Biology QUESTION #11239

Which of the following is a reducing sugar?

Sucrose
Starch
Maltose✔️
Cellulose

Correct Answer Logic:

Maltose is a reducing sugar because it has a free aldehyde group. Sucrose is a non-reducing sugar (glycosidic bond between anomeric carbons of glucose and fructose). Starch and cellulose are polysaccharides and do not show reducing properties in their native form.

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Therapeutics and Patient Care QUESTION #3882

Question 6462

Which statement about beta-blocker use in congestive heart failure management is INCORRECT?

May cause bradycardia
Prevent ventricular remodelling
Can increase ejection fraction
Increase AV nodal conduction✔️

Correct Answer Logic:

Beta-blockers decrease AV nodal conduction (negative dromotropic effect) by blocking sympathetic stimulation. They do not increase AV conduction.

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Law QUESTION #9702

Question 6463

Under Article 136, a 'leading question' is defined as:

A question about facts in issue
Any question suggesting the answer which the person putting it wishes or expects to receive✔️
A question asked during cross-examination
A question about the witness's character

Correct Answer Logic:

Article 136 defines a leading question as any question suggesting the answer which the person putting it wishes or expects to receive.

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Psychology QUESTION #9810

Question 6464

The degree to which a colour is concentrated or diluted is known as its:

Brightness
Hue
Volume
Saturation✔️

Correct Answer Logic:

Saturation refers to the purity or intensity of a colour. A fully saturated colour contains no grey. Hue refers to the colour itself (red, blue); brightness refers to lightness/darkness; volume is not a colour attribute.

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English QUESTION #2764

Question 6465

Find the word OPPOSITE IN MEANING to 'Courageous'.

Brave
Bold
Fearless
Cowardly✔️

Correct Answer Logic:

'Courageous' means having or showing bravery. Its antonym (opposite) is 'Cowardly', which means lacking courage. The other options (Brave, Bold, Fearless) are synonyms.

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Accounting & Finance QUESTION #9643

Question 6466

The key distinction between a Balance Sheet and a Statement of Affairs (in Single Entry System) is:

A Balance Sheet shows assets and liabilities at market value; Statement of Affairs shows at cost
A Balance Sheet presents resources against sources to show financial position; Statement of Affairs calculates owner's equity as a balancing figure✔️
A Statement of Affairs is prepared for partnerships only; Balance Sheet for sole proprietors
Both are identical; the only difference is the name used

Correct Answer Logic:

The Statement of Affairs is used ONLY to derive the owner's equity by subtracting liabilities from assets (Owner's Equity = Assets – Liabilities). A Balance Sheet presents the full financial position by matching resources (assets) against their sources (equity + liabilities).

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Therapeutics and Patient Care QUESTION #3901

Question 6467

Among the following options, which drug is the LEAST suitable for the acute abortive treatment of migraine headache?

Oxycodone✔️
Ibuprofen
Sumatriptan
Aspirin

Correct Answer Logic:

Opioids like oxycodone are not recommended for migraine management, as they are less effective than triptans, NSAIDs, and aspirin and carry risks of medication overuse headache and dependence.

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Verbal Reasoning QUESTION #8080

Question 6468

Before Maria changed jobs, her salary was 24 percent more than Julio's salary. After Maria changed jobs, her new salary was 24 percent less than her old salary.

Compare:

Column A: Julio's salary

Column B: Maria's new salary

Column A is greater
Column B is greater✔️
The two quantities are equal
The relationship cannot be determined

Correct Answer Logic:

Let Julio's salary be $J$ and Maria's old salary be $M_{old}$.

Given: $M_{old} = 1.24J$

Maria's new salary: $M_{new} = M_{old} - 0.24M_{old} = 0.76M_{old} = 0.76(1.24J) = 0.9424J$

Comparing:

Column A: $J = 1.0J$
Column B: $0.9424J$

Since $1.0 > 0.9424$, Column A (Julio's salary) is greater than Column B (Maria's new salary).

Therefore, Column A is greater.

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Mathematics QUESTION #976

Question 6469

If the system of linear equations $x+y+2z=6$, $2x+3y+az=a+1$, $-x-3y+bz=2b$, where $a,b\in\mathbb{R}$, has infinitely many solutions, then $7a+3b$ is equal to:

16✔️
12
22
9

Correct Answer Logic:

For infinitely many solutions, the determinant of coefficient matrix $=0$ and the augmented matrix is consistent. Solving the determinant condition and consistency condition gives $a$ and $b$, then $7a+3b=16$.

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Quantitative Reasoning QUESTION #8140

Question 6470

John Stuart Mill's discussion of the liberty of thought is most remembered for the danger of (i)_______: without challenge, opinions — even correct ones — become weak and flaccid. But Mill had a second concern: partiality and incompleteness. Since one's views, even in ideal conditions, tend to (ii)_______, and because opposing views rarely turn out to be completely (iii)_______, it is vital to seek out alternative perspectives.

complacency .. embrace only a portion of the truth .. erroneous✔️
tendentiousness .. change over time .. antithetical
fractiousness .. focus on matters close at hand .. immutable
complacency .. change over time .. erroneous

Correct Answer Logic:

Blank (i): opinions growing weak without challenge = complacency (self-satisfied uncritical acceptance). Blank (ii): Mill's second concern is partiality — views that capture only part of truth — so opinions tend to embrace only a portion of the truth. Blank (iii): opposing views 'rarely turn out to be completely' wrong — so erroneous fits (rarely entirely false). 'Tendentiousness' and 'fractiousness' don't match the 'weak opinions' idea.

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MCQs Section QUESTION #5267

Question 6471

Heart Attack کس شاعر کی نظم ہے؟

این ایم راشد
میراجی
ناصر کاظمی
فیض احمد فیض✔️

Correct Answer Logic:

Heart Attack فیض احمد فیض کی مشہور نظم ہے (متن میں آپشن 3 پر فیض ہے)۔

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Accounting & Finance QUESTION #6073

Question 6472

What is the primary reason for a business to record a depreciation charge?

To ensure enough funds are available to replace the asset at the end of its life
To allocate the cost of the asset across the specific periods that benefit from its use
To ensure every asset is treated consistently based on the consistency principle

1 and 2
2 only✔️
2 and 3
3 only

Correct Answer Logic:

The core purpose of depreciation is the matching principle: charging the cost of a non-current asset to the periods it helps generate revenue. It does not guarantee cash for replacement, nor is it purely about the consistency concept itself.

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Mathematics QUESTION #6037

Question 6473

Find a value of $\theta$ for which $\dfrac{2+3i\sin\theta}{1-2i\sin\theta}$ is purely imaginary.

$\dfrac{\pi}{6}$
$\sin^{-1}\!\left(\dfrac{\sqrt{3}}{4}\right)$
$\sin^{-1}\!\left(\dfrac{1}{\sqrt{3}}\right)$✔️
$\dfrac{\pi}{3}$

Correct Answer Logic:

Multiply numerator and denominator by the conjugate of the denominator $(1+2i\sin\theta)$:

Numerator real part: $(2+3i\sin\theta)(1+2i\sin\theta)$ real part $= 2-6\sin^2\theta$

For purely imaginary, the real part must be zero: $2-6\sin^2\theta=0\Rightarrow\sin^2\theta=\frac{1}{3}\Rightarrow\sin\theta=\frac{1}{\sqrt{3}}$

Therefore $\theta=\sin^{-1}\!\left(\dfrac{1}{\sqrt{3}}\right)$

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Bio-Technology QUESTION #10600

Question 6474

Bioremediation using sulfate-reducing bacteria (SRB) in anaerobic conditions achieves heavy metal removal by:

Oxidising heavy metals to less soluble higher oxidation states
Generating $H_2S$ that precipitates heavy metals as insoluble metal sulfides✔️
Accumulating heavy metals intracellularly via active transport
Producing exopolysaccharides that complex and immobilise metals

Correct Answer Logic:

Sulfate-reducing bacteria (e.g. Desulfovibrio) reduce $SO_4^{2-}$ to $H_2S$ under anaerobic conditions: $SO_4^{2-} + 8H^+ + 8e^- \rightarrow H_2S + 2H_2O + 2OH^-$. The generated $H_2S$ reacts with dissolved heavy metals (e.g. $Cd^{2+}$, $Zn^{2+}$, $Pb^{2+}$, $Cu^{2+}$) to form insoluble metal sulfide precipitates: $M^{2+} + H_2S \rightarrow MS \downarrow + 2H^+$. This is exploited in passive bioremediation of acid mine drainage.

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Social Studies QUESTION #10074

Question 6475

A web of relationships that plays a central role in the lives of people across all societies is known as:

Patronage
Kinship✔️
Network
None of these

Correct Answer Logic:

Kinship refers to the universal web of relationships based on descent, marriage, or social ties.

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MCQs Section QUESTION #5199

Question 6476

'پانجشنبہ' ہفتے کا کون سا دن ہے؟

پیر
بدھ
جمعرات✔️
ہفتہ

Correct Answer Logic:

پانجشنبہ فارسی میں پانچواں دن یعنی جمعرات کو کہتے ہیں۔

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Pakistan Affairs QUESTION #9081

Question 6477

When General Ayub Khan took over power in 1958, who was the Prime Minister of Pakistan?

Malik Feroze Khan Noon✔️
Muhammad Ali Bogra
Hussain Shaheed Suhrawardy
Ibrahim Ismail Chundrigar

Correct Answer Logic:

Malik Feroze Khan Noon was PM before the 1958 coup.

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Physics QUESTION #4416

Question 6478

If the length of a conductor is made 4 times its original length, its resistance becomes:

Quarter
Half
Zero
4 times✔️

Correct Answer Logic:

Resistance $R = \dfrac{\rho L}{A}$. Since $R \propto L$ (at constant cross-sectional area and resistivity), if $L$ becomes $4L$, then $R$ becomes $4R$. The resistance becomes $\mathbf{4}$ times the original.

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Accounting Finance and Punjab Sales Tax on Services QUESTION #2569

Question 6479

Under section 16B(1), input tax adjustment is NOT allowed in respect of capital goods (plant, machinery, equipment) that are:

Fully depreciated
Not exclusively useable or used in providing taxable services✔️
Imported rather than locally purchased
Older than five years

Correct Answer Logic:

Section 16B(1)(a) prohibits input tax adjustment in respect of capital goods (plant, machinery, equipment and others) NOT EXCLUSIVELY USEABLE OR USED in providing taxable services — partial use does not qualify.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3393

Question 6480

Enzymes act as biological catalysts by:

Increasing the temperature of a reaction
Lowering the activation energy✔️
Changing the final product
Being consumed in the reaction

Correct Answer Logic:

Enzymes speed up reactions without being used up themselves.

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