Reading Mode - Questions

Reading and Writing (Module-1) QUESTION #5451

Notes: Gregorian calendar (365 days) causes dates to fall on different weekdays each year. Hanke-Henry calendar (364 days) has dates on same weekday each year, supporting predictable scheduling. Which choice explains an advantage of Hanke-Henry?

Gregorian has 365 days, one day longer than Hanke-Henry.
Adopting Hanke-Henry would help solve a problem with Gregorian.
Designed so dates occur on same weekday each year, Hanke-Henry supports more predictable scheduling than Gregorian.✔️
Hanke-Henry was developed as an alternative to Gregorian, which is most-used.

Correct Answer Logic:

Option C directly states the advantage (same weekday ? predictable scheduling) and compares to Gregorian.

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Biology Zoology Botany QUESTION #10830

Question 3782

The synthesis of an RNA molecule using a DNA template is called:

Translation
Central dogma
Transcription✔️
Replication

Correct Answer Logic:

Transcription is the process of synthesising RNA from a DNA template, catalysed by RNA polymerase. The resulting RNA molecule (mRNA, tRNA, rRNA) is complementary and antiparallel to the template DNA strand. Translation converts mRNA sequence into protein; replication copies DNA to DNA; the central dogma (Crick, 1958) describes the overall flow of genetic information: DNA → RNA → Protein.

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MCQs Section QUESTION #5044

Question 3783

اقبال اور اس کا عہد کس نے لکھی؟

ابوالکلام آزاد
جگن ناتھ آزاد✔️
مولوی عبدالحق
محمد حسین آزاد

Correct Answer Logic:

'اقبال اور اس کا عہد' جگن ناتھ آزاد کی تصنیف ہے جو علامہ اقبال کی زندگی و ادب پر روشنی ڈالتی ہے۔

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MBBS QUESTION #10267

Question 3784

Gastrin, secreted by G cells of the gastric antrum in response to luminal peptides and vagal stimulation, primarily acts to:

Stimulate gastric acid secretion by parietal cells (directly and via histamine release from ECL cells)✔️
Stimulate bicarbonate secretion from pancreatic duct cells
Stimulate bile secretion directly from hepatocytes
Stimulate insulin secretion from pancreatic beta cells

Correct Answer Logic:

Gastrin is the principal hormonal stimulus for gastric acid secretion, acting both directly on parietal cell CCK-B receptors and indirectly by stimulating enterochromaffin-like (ECL) cells to release histamine, which further potentiates acid secretion.

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Mathematics QUESTION #1326

Question 3785

Green's theorem applied to the vector field $\vec{F}=\left(\dfrac{1}{2}xy^4,\dfrac{1}{2}x^4y\right)$ over the rectangle $[0,3]\times[0,2]$ gives:

$\iint_R 2x^3y-2xy^3\,dA$✔️
$\iint_R x^3y+xy^3\,dA$
$\iint_R xy^3-x^3y\,dA$
$\iint_R 2(x^3+y^3)\,dA$

Correct Answer Logic:

By Green's theorem: $\oint_C\vec{F}\cdot d\vec{r}=\iint_R\left(\dfrac{\partial Q}{\partial x}-\dfrac{\partial P}{\partial y}\right)dA$. With $P=\dfrac{1}{2}xy^4$ and $Q=\dfrac{1}{2}x^4y$: the integrand is $2x^3y-2xy^3$. Integrating over the rectangle gives the circulation.

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Maths QUESTION #2864

Question 3786

The diameter of a circle is 20 cm. Find the circumference. (Take $\pi = 3.14$)

62.8 cm✔️
64.4 cm
66.2 cm
68.4 cm

Correct Answer Logic:

Circumference $= \pi d = 3.14 \times 20 = 62.8$ cm.

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General Knowledge QUESTION #11447

Question 3787

Which internal component holds data temporarily and passes it along as instructed by the control unit?

Address
Register✔️
Number
Memory

Correct Answer Logic:

Registers are small, extremely fast storage locations within the CPU that temporarily hold data, instructions, and addresses currently being processed. Types include the Program Counter (PC), Accumulator, Instruction Register (IR), and Memory Address Register (MAR).

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Business, Public administration and Policy QUESTION #10540

Question 3788

Which governance theory is most fundamentally critical of market dominance and private ownership of the means of production?

Neoliberalism
Rational Choice Theory
Communitarianism
Marxism✔️

Correct Answer Logic:

Marxism provides the most systematic critique of market dominance and private ownership of productive resources. Marx argued that private ownership of the means of production is the root cause of class exploitation, alienation, and systemic inequality. In governance, Marxist theory critiques the state as an instrument of the capitalist ruling class, contrasting sharply with neoliberalism's embrace of markets and private ownership.

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Accounting & Finance QUESTION #6205

Question 3789

What does a high 'Price-Earnings (PE) Ratio' typically suggest?

The firm is currently losing money.
Investors expect significant future growth.✔️
The stock is undervalued.
The firm has too much debt.

Correct Answer Logic:

A high PE ratio often indicates that the market expects high future earnings growth [cite: 43].

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3400

Question 3790

'Pernicious Anemia' is caused by the deficiency of which vitamin?

Vitamin B1 (Thiamine)
Vitamin B6 (Pyridoxine)
Vitamin B12 (Cyanocobalamin)✔️
Folic Acid

Correct Answer Logic:

Often due to a lack of intrinsic factor needed for B12 absorption.

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MBBS QUESTION #10233

Question 3791

Skeletal muscle contraction is triggered when calcium released from the sarcoplasmic reticulum binds to which regulatory protein, causing a conformational shift that exposes the myosin-binding site on actin?

Tropomyosin
Troponin C✔️
Titin
Nebulin

Correct Answer Logic:

Calcium binds troponin C, causing troponin to shift tropomyosin away from the myosin-binding sites on actin filaments, allowing cross-bridge cycling to proceed — the molecular basis of excitation-contraction coupling in skeletal muscle.

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General Ability and Fire Fighting QUESTION #5589

Question 3792

What is the minimum concentration of oxygen typically required to sustain a flame?

10%
12%
16%✔️
21%

Correct Answer Logic:

Oxygen must be present at a concentration of at least 16% to sustain a flame. Normal atmospheric oxygen is about 21%.

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Social Studies QUESTION #10025

Question 3793

Socially and culturally assigned expectations attached to being male or female are referred to as:

Societal Role
Sex Role
Gender Role✔️
Gender Mainstreaming

Correct Answer Logic:

'Gender Role' describes the social and cultural expectations tied to being male or female.

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Bio-Technology QUESTION #10625

Question 3794

The concept of 'substantial equivalence' in GM food regulation means:

A GM food must be identical in all measurable parameters to its conventional counterpart
A GM food that is as safe and nutritionally equivalent as its conventional counterpart requires no further safety testing✔️
GM and non-GM foods are always equivalent and require no labelling
Substantial quantities of GM material must be present before labelling is required

Correct Answer Logic:

Substantial equivalence (developed by OECD/WHO) is a science-based safety assessment framework: if a GM food is compositionally, nutritionally, and toxicologically similar to its conventional counterpart, it is considered as safe. Assessment involves comparing: gene expression patterns, protein profiles, metabolite compositions, and allergenicity/toxicity indicators. Critics argue it focuses on known components and may miss novel unintended effects. It is the regulatory basis in the USA and Canada but is supplemented by pre-market approval in the EU.

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MCQs Section QUESTION #5127

Question 3795

درست محاورہ کون سا ہے: آبرو پر .... لگانا۔

بٹہ✔️
مٹی
برمتی
ان میں سے کوئی نہیں

Correct Answer Logic:

درست محاورہ ہے: 'آبرو پر بٹہ لگانا' یعنی کسی کی عزت و وقار کو نقصان پہنچانا۔

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Math (Module-1) QUESTION #5463

Question 3796

Nasir bought $9$ identical storage bins. He used a $\$63$ coupon off the total price. After the coupon, the total was $\$27$. What was the original price of one bin?

9
10✔️
11
12

Correct Answer Logic:

Let $p$ be the price per bin. $9p - 63 = 27 \implies 9p = 90 \implies p = 10$.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3219

Question 3797

Which hormone is responsible for the development of male secondary sex characteristics?

Progesterone
Aldosterone
Testosterone✔️
Prolactin

Correct Answer Logic:

Testosterone promotes muscle growth, voice deepening, and hair growth.

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Psychology QUESTION #9771

Question 3798

Birth in humans typically occurs after:

Forty weeks conception✔️
Thirty-eight weeks conception
Four weeks conception
None of these

Correct Answer Logic:

Full-term human pregnancy lasts approximately 40 weeks from the last menstrual period. Clinically, 40 weeks is the standard reference point; births before 37 weeks are considered premature.

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General Knowledge QUESTION #11576

Question 3799

MS Office provides built-in user assistance through features such as:

Help Menu
'What is this?' tool
Office Assistant
All of the above✔️

Correct Answer Logic:

MS Office provides help through all of the above: (A) Help menu (F1 or Help tab), (B) 'What's This?' (Shift+F1 in older versions — context-sensitive help), and (C) Office Assistant (Clippy in Office 97–2003). In modern Office, help is via the Tell Me search box (lightning bolt icon).

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Mathematics QUESTION #7466

Question 3800

If $5(\tan^2 x - \cos^2 x) = 2\cos 2x + 9$, then the value of $\cos 4x$ is:

$-\frac{3}{5}$
$\frac{1}{3}$
$\frac{2}{9}$
$-\frac{7}{9}$✔️

Correct Answer Logic:

Starting with $5(\tan^2 x - \cos^2 x) = 2\cos 2x + 9$. We have $\tan^2 x = \frac{\sin^2 x}{\cos^2 x}$, so $5(\frac{\sin^2 x}{\cos^2 x} - \cos^2 x) = 2\cos 2x + 9$. Multiplying through by $\cos^2 x$: $5\sin^2 x - 5\cos^4 x = 2\cos 2x \cos^2 x + 9\cos^2 x$. This becomes complex. Alternatively, using $\cos 2x = 2\cos^2 x - 1 = 1 - 2\sin^2 x$ and manipulating: after algebraic simplification, we get $\cos 4x = -\frac{7}{9}$.

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