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Dairy Food Science and Technology QUESTION #5972

The approximate pH range of fresh normal cow's milk is:

$5.5\text{–}6.0$
$6.6\text{–}6.8$✔️
$7.2\text{–}7.5$
$4.5\text{–}5.0$

Correct Answer Logic:

Fresh normal bovine milk has a $\text{pH}$ of $6.6\text{–}6.8$ (typically $6.65\text{–}6.71$). This is slightly acidic due to dissolved $\text{CO}_2$, proteins, phosphates, and citrates. Mastitic milk tends to have higher $\text{pH}$ ($>6.8\text{–}7.0$); acidic/sour milk has lower $\text{pH}$.

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Mathematics QUESTION #11222

Question 2

Dimension of $\text{Hom}(M_{2,4}, P_2(t)) =$

$4$
$8$
$16$
$24$✔️

Correct Answer Logic:

$M_{2,4}$ is the space of $2\times 4$ matrices: $\dim = 2\times 4 = 8$. $P_2(t)$ is the space of polynomials of degree $\leq 2$: $\dim = 3$. Therefore $\dim\text{Hom}(M_{2,4}, P_2(t)) = 8\times 3 = \mathbf{24}$.

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English QUESTION #2669

Question 3

Find the word opposite in meaning to: 'HOSTILE'?

Friendly✔️
Angry
Violent
Silent

Correct Answer Logic:

'Hostile' means showing opposition or dislike; 'friendly' is the antonym.

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Law QUESTION #9500

Question 4

A Court of first instance passes an ex parte decree against B. B applies to set it aside, but his application is dismissed. B then appeals against the ex parte decree itself. Is this appeal maintainable?

No; B cannot avail both remedies simultaneously
No; B's only remedy is the application to set aside the ex parte decree
No; B waived his appeal right by first applying to set aside the decree
Yes; where the application to set aside an ex parte decree is dismissed, B retains the right to appeal against the original ex parte decree; both remedies co-exist✔️

Correct Answer Logic:

Under Order IX Rule 13 and Order XLIII CPC, there is no bar on a defendant simultaneously or sequentially pursuing an application to set aside an ex parte decree and an appeal from that decree. These are independent remedies. Dismissal of the application does not extinguish the right of appeal.

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The Constitution of Pakistan QUESTION #9339

Question 5

Under Article 6(2A) of the Constitution, which courts are expressly barred from validating an act of high treason?

Only the Supreme Court
Only the High Courts
The Federal Constitutional Court, the Supreme Court, and all High Courts✔️
Only the Federal Constitutional Court

Correct Answer Logic:

Article 6(2A) (inserted by the 18th Amendment and later updated by the 27th Amendment) explicitly states that an act of high treason 'shall not be validated by any court including the Federal Constitutional Court, Supreme Court and a High Court.' This is a constitutional safeguard against judicial legitimization of coups or unconstitutional takeovers.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3076

Question 6

If a drug is injected 'Intramuscularly' into the Deltoid, the injection site is:

The buttock
The thigh
The shoulder✔️
The forearm

Correct Answer Logic:

The deltoid muscle is the large triangular muscle covering the shoulder joint.

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Physics QUESTION #7832

Question 7

Capacitance increases with decrease in:

Dielectric constant
Plate area
Permittivity
Plate separation✔️

Correct Answer Logic:

C ∝ 1/d, so decreasing d increases C.

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English QUESTION #2666

Question 8

Which word is opposite in meaning to: 'GIANT'?

Huge
Dwarf✔️
Strong
Large

Correct Answer Logic:

'Giant' refers to something very large; 'dwarf' refers to something very small.

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Math Physics Chemistry Biology QUESTION #801

Question 9

Oxidation of $\text{NO}$ in air gives:

$\text{N}_2\text{H}_4$
$\text{NH}_4^+$
$\text{NH}_3$
None✔️

Correct Answer Logic:

Oxidation of NO in air gives $\text{NO}_2$: $2\text{NO} + \text{O}_2 \rightarrow 2\text{NO}_2$. Since $\text{NO}_2$ is not listed, the answer is None.

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General Knowledge QUESTION #4473

Question 10

_____ got Nobel Peace Prize 2025.

Nicolás Maduro
María Corina Machado
Giorgia Meloni
None of these✔️

Correct Answer Logic:

No verified Nobel Peace Prize 2025 winner among these options; question likely hypothetical.

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English QUESTION #8390

Question 11

Euphonium is the opposite of:

strident✔️
lethargic
literary
merry

Correct Answer Logic:

Euphonium (likely 'Euphonious') means pleasant sounding; opposite strident (harsh).

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Maths QUESTION #4500

Question 12

What is the value of $\sqrt{25} + \sqrt{16}$?

$\sqrt{41}$
$9$✔️
$41$
$7$

Correct Answer Logic:

$\sqrt{25} = 5$ and $\sqrt{16} = 4$. Therefore, $5 + 4 = 9$. Note: $\sqrt{a+b} \neq \sqrt{a} + \sqrt{b}$

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Education QUESTION #6765

Question 13

A measurement expert advises that a Table of Specification should be checked for "appropriateness" before finalizing a test. Which of the following checklist questions is MOST directly concerned with construct-irrelevant variance?

Are the types of items to be used appropriate for the outcomes to be measured?✔️
Is the total number of items indicated for each subdivision?
Is the difficulty of the items appropriate for the types of interpretation to be made?
Do the specifications indicate the sample of learning outcomes to be measured?

Correct Answer Logic:

Construct-irrelevant variance occurs when a test format measures something other than the intended construct. Asking whether item types are appropriate for the intended outcomes directly addresses whether the chosen format (e.g., MCQ vs. essay) can actually measure the targeted learning outcome, or whether it introduces irrelevant cognitive demands (e.g., writing skill when testing content knowledge).

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Chemistry QUESTION #5542

Question 14

For a first-order reaction, 32% of the reactant remains after 570 s. Calculate the rate constant $k$ (in $\times10^{-3}\ s^{-1}$, rounded to nearest integer). [Given: $\log_{10}2 = 0.301$, $\ln 10 = 2.303$]

3✔️
2
1
4

Correct Answer Logic:

For first-order: $k = \frac{2.303}{t}\log\frac{[A]_0}{[A]} = \frac{2.303}{570}\log\frac{100}{32} = \frac{2.303}{570}\log\left(\frac{25}{8}\right)$. $\log\frac{25}{8} = \log 25 - \log 8 = (2\log 5)-(3\log 2) = 2(1-0.301)-3(0.301) = 2(0.699)-0.903 = 1.398-0.903 = 0.495$. $k = \frac{2.303\times0.495}{570} = \frac{1.14}{570} \approx 2\times10^{-3}\ s^{-1}$. Nearest integer = $2\times10^{-3}\ s^{-1}$.

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Math Physics Chemistry Biology QUESTION #570

Question 15

Name the nutrition resulted by feeding on dead and decaying matter.

Saprophytic✔️
Parasitic
Symbiotic
Both B and C

Correct Answer Logic:

Saprophytic nutrition involves decomposing matter

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Chemistry QUESTION #1439

Question 16

An allosteric enzyme:

Follows Michaelis-Menten kinetics
Is regulated by molecules that bind to a site other than the active site✔️
Is always inhibited by competitive inhibitors
None of these

Correct Answer Logic:

Allosteric enzymes are regulated by effector molecules (activators or inhibitors) that bind to a site other than the active site — the allosteric site. This binding causes conformational changes that alter enzyme activity. Allosteric enzymes do NOT follow standard Michaelis-Menten kinetics; instead, they show sigmoidal (cooperative) kinetics. They are key regulatory enzymes in metabolic pathways.

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MCQs Section QUESTION #5080

Question 17

علامہ اقبال کی مشہور نظم 'آدم کو جنت سے نکالا گیا' کس مجموعہ میں ہے؟

اسرارِ خودی
بانگِ درا
بالِ جبریل✔️
ضربِ کلیم

Correct Answer Logic:

روحِ ارض آدم کا استقبال کرتی ہے، یہ نظم علامہ اقبال کے مجموعہ 'بالِ جبریل' میں شامل ہے۔

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Biology Zoology Botany QUESTION #1390

Question 18

In the process of transcription, the RNA polymerase binds to which region of the gene to initiate synthesis?

Promoter✔️
Exon
Intron
Terminator

Correct Answer Logic:

The promoter is the regulatory DNA sequence upstream (5') of a gene where RNA polymerase and transcription factors bind to initiate transcription. The promoter determines the direction and starting point of transcription. Key promoter elements in eukaryotes include the TATA box (around -25 to -30 from the transcription start site).

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Federal Rules of Evidence (US) QUESTION #3779

Question 19

During a civil trial for breach of contract, a witness testifies for the plaintiff. On cross-examination, the defense asks: 'Isn't it true that you were convicted of misdemeanor shoplifting 4 years ago?' The plaintiff objects. Is the conviction admissible for impeachment?

Yes, because it occurred within the last 10 years.
No, because misdemeanors are never admissible for impeachment.
Yes, if the court determines that the crime involved a dishonest act or false statement under Rule 609(a)(2).✔️
No, because its probative value is outweighed by the danger of unfair prejudice.

Correct Answer Logic:

Rule 609(a)(2) mandates the admission of any crime (felony or misdemeanor) for impeachment purposes if the court can readily determine that establishing the elements of the crime required proving—or the witness's admitting—a dishonest act or false statement.

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Pakistan Affairs QUESTION #4674

Question 20

The first ever constructed barrage of Pakistan was which one?

Jinnah Barrage
Sukkur Barrage✔️
Taunsa Barrage
Kotri Barrage

Correct Answer Logic:

The Sukkur Barrage, also known as Lloyd Barrage, built across the Indus River in Sindh and completed in 1932, was the first major barrage constructed in Pakistan.

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