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General Knowledge QUESTION #4826

The largest island in the Indian Ocean is which of the following?

Sri Lanka
Sumatra
Madagascar✔️
Borneo

Correct Answer Logic:

Madagascar is the largest island in the Indian Ocean, with an area of approximately 587,041 square kilometers. It is also the world's fourth-largest island overall.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3119

Question 2

Hydrochloric Acid (HCl) is secreted by which cells in the stomach?

Chief cells
Parietal cells✔️
Mucous cells
G-cells

Correct Answer Logic:

Parietal cells secrete HCl and intrinsic factor (necessary for Vitamin $B_{12}$ absorption).

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Quantitative Reasoning QUESTION #8003

Question 3

Since 1813 reaction to Jane Austen's novels has oscillated between ------- and condescension; but in general later writers have esteemed her works more highly than did most of her literary -------.

dismissal...admirers
adoration...contemporaries✔️
disapproval...readers
indifference...followers

Correct Answer Logic:

The sentence indicates that reactions have varied over time, with later writers valuing Austen more than those of her own time. The first blank should pair with 'condescension' to show contrasting reactions. The second blank refers to writers from her own era. Adoration...contemporaries is correct: reactions ranged from adoration to condescension, and later writers valued her more than her contemporaries (those living at the same time) did.

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Math Physics Chemistry Biology QUESTION #11323

Question 4

Which of the following is a cytoplasmic gene?

A
B
C
D✔️

Correct Answer Logic:

Gene D is an example of a cytoplasmic gene.

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Boilers Mechanical Engineering QUESTION #4042

Question 5

'Neutralizing Amines' are added to steam to:

Make it smell better
Control corrosion in the condensate return lines by adjusting $pH$✔️
Increase pressure
Stop the boiler

Correct Answer Logic:

They travel with the steam and protect the entire system.

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Pakistan Affairs QUESTION #9034

Question 6

'Bala Hissar' (The Elevated Fort) is situated in which Pakistani city?

Quetta
Peshawar✔️
Swat
Hyderabad

Correct Answer Logic:

Bala Hissar is an ancient fort in Peshawar.

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Home Economics QUESTION #6242

Question 7

The process of interlacing two sets of yarns at right angles to form a fabric is called:

Knitting
Felting
Weaving✔️
Braiding

Correct Answer Logic:

Weaving involves the warp and weft yarns crossing each other perpendicularly.

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Tourism & Hospitality Management QUESTION #1623

Question 8

According to the Tourism Marketing course, 'market segmentation' in tourism involves dividing the total market based on which types of variables?

Only geographic variables such as country of origin
Consumer market bases (demographic, psychographic, behavioral, geographic) and business market bases, evaluated against requirements for effective segmentation✔️
Price sensitivity and purchasing power only
Travel frequency and loyalty program membership only

Correct Answer Logic:

The Tourism Marketing course (Module 2) covers market segmentation comprehensively, including: levels of segmentation, patterns, segmentation procedure, bases for segmenting consumer markets (demographic, psychographic, behavioral, geographic), bases for segmenting business markets, requirements for effective segmentation, and evaluating and selecting target markets.

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General Knowledge QUESTION #4733

Question 9

Who was the UN Secretary-General in 2007?

Kofi Annan
Ban Ki-moon✔️
Boutros Boutros-Ghali
Javier Pérez de Cuéllar

Correct Answer Logic:

Ban Ki-moon of South Korea became the 8th UN Secretary-General on January 1, 2007, succeeding Kofi Annan who served from 1997 to 2006.

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Geography QUESTION #1239

Question 10

What is 'Metadata'?

Data about data✔️
Meteorological data
Oceanic data
None of these

Correct Answer Logic:

Metadata is literally 'data about data' — it describes the characteristics, context, quality, and structure of a dataset. In GIS, metadata provides information about a spatial dataset such as its source, projection, scale, date of creation, and accuracy. It helps users understand and properly use the data without examining the data itself.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3554

Question 11

Which part of 'Valerian' is used for its sedative properties?

Roots and Rhizomes✔️
Flowers
Leaves
Seeds

Correct Answer Logic:

Valeriana officinalis is used for anxiety and sleep disorders.

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Reading and Writing (Module-1) QUESTION #10432

Question 12

The architect's design was praised for its -------, blending modern materials with traditional forms in a way no one had attempted before.

conventionality
ingenuity✔️
monotony
predictability

Correct Answer Logic:

A blend 'no one had attempted before' shows creative skill, matching 'ingenuity.'

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Reading and Writing (Module-1) QUESTION #10395

Question 13

Rather than ------- the criticism, the author welcomed it as an opportunity to refine her argument.

embracing
resenting✔️
soliciting
endorsing

Correct Answer Logic:

'Rather than X, she welcomed it' signals X is the opposite of welcoming, matching 'resenting.'

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Information Technology QUESTION #1126

Question 14

What is the output of the following code? int a=40; int* ptr=&a; int& ref = *ptr; ref = 60; cout << a;

40
60✔️
Error
None of these

Correct Answer Logic:

The reference ref is bound to variable a through the pointer. Changing ref to 60 directly updates the memory value of a. Thus, cout << a prints 60.

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Math Physics Chemistry Biology QUESTION #11240

Question 15

The enzyme pepsin works optimally at:

pH 2.0 in the stomach✔️
pH 7.4 in the blood
pH 8.5 in the small intestine
pH 5.0 in the lysosome

Correct Answer Logic:

Pepsin is a protease secreted by chief cells in the stomach. It works optimally at a highly acidic pH of approximately $1.5$-$2.5$, where it denatures proteins and cleaves peptide bonds.

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Electrical Engineering QUESTION #2181

Question 16

An op-amp integrator has $R = 10\,\text{k}\Omega$ and $C = 0.1\,\mu\text{F}$. The input is a $\pm1\,\text{V}$ square wave at $1\,\text{kHz}$. The peak-to-peak output voltage is:

$0.5\,\text{V}$✔️
$1.0\,\text{V}$
$2.0\,\text{V}$
$0.25\,\text{V}$

Correct Answer Logic:

$RC = 10^4 \times 10^{-7} = 1\,\text{ms}$. Each half-period $T/2 = 0.5\,\text{ms}$. Output ramp amplitude $\Delta V = \frac{V_{in}\cdot(T/2)}{RC} = \frac{1\times0.5\times10^{-3}}{10^{-3}} = 0.5\,\text{V}$. Since the output ramps up then down symmetrically, peak-to-peak $= 0.5\,\text{V}$.

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Biology Zoology Botany QUESTION #1373

Question 17

Which type of pollination involves the transfer of pollen by wind?

Hydrophily
Anemophily✔️
Entomophily
Zoophily

Correct Answer Logic:

Anemophily is pollination by wind. Wind-pollinated plants (e.g., grasses, conifers, oak) typically produce large quantities of light, smooth, dry pollen; have reduced or absent petals; lack nectar and scent; and have feathery stigmas to catch airborne pollen. Hydrophily = water, Entomophily = insects, Zoophily = animals (including birds and bats).

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Maths QUESTION #2879

Question 18

The average weight of 3 boys is $40$ kg. If the weights of two are $35$ kg and $42$ kg, find the third.

40 kg
43 kg✔️
45 kg
38 kg

Correct Answer Logic:

Total weight $= 3 \times 40 = 120$. Third boy $= 120 - (35 + 42) = 43$ kg.

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Mathematics QUESTION #1285

Question 19

The Maclaurin series expansion uses the formula $f(Z)=\sum_{n=0}^\infty a_n Z^n$ where $a_n$ equals:

$\dfrac{f^{(n)}(1)}{n!}$
$f^{(n)}(0)$
$\dfrac{f^{(n)}(0)}{n!}$✔️
$n!\cdot f^{(n)}(0)$

Correct Answer Logic:

The Maclaurin series is the Taylor series centred at $Z=0$: $f(Z)=\sum_{n=0}^\infty\dfrac{f^{(n)}(0)}{n!}Z^n$. The coefficient of $Z^n$ is $a_n=\dfrac{f^{(n)}(0)}{n!}$.

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Reading and Writing (Module-1) QUESTION #5377

Question 20

While researching a topic, a student has taken the following notes: A lever is a simple machine consisting of a rigid beam and a fulcrum. The fulcrum is the point about which the beam pivots. In first-class levers, the fulcrum is located between the effort and the load. In second-class levers, the load is located between the effort and the fulcrum. The student wants to contrast first-class levers and second-class levers. Which choice most effectively uses relevant information from the notes to accomplish this goal?

In levers, the effort is the force applied to the lever; the load, in contrast, is the force that the lever exerts on another object.
In first-class and second-class levers, the fulcrum and the load are in different locations.
First-class levers are simple machines consisting of a rigid beam and a fulcrum, but then again, the same is true of second-class levers.
In first-class levers, the fulcrum is located between the effort and the load, but in second-class levers, the load is located between the effort and the fulcrum.✔️

Correct Answer Logic:

Option D clearly states the physical difference between the two types of levers, providing a complete contrast.

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