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Conscientious means wishing to do one's work thoroughly and carefully. Its antonym is Profligate, meaning recklessly wasteful and utterly lacking in moral principles.

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Math (Module-1) QUESTION #5387

Question 4

If $14x + 14 = 28$, what is the value of $7x + 7$?

$14$✔️
$21$
$42$
$56$

Correct Answer Logic:

Notice that $7x + 7$ is exactly half of $14x + 14$. If $14x + 14 = 28$, then $7x + 7 = \frac{28}{2} = 14$.

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Physics QUESTION #7304

Question 5

A body in one-dimensional motion has zero speed at some instant. At that instant it must have:

Zero velocity✔️
Zero acceleration
Non-zero velocity
Non-zero acceleration

Correct Answer Logic:

Speed is the magnitude of velocity. If speed $= 0$, then $|v| = 0 \Rightarrow v = 0$.

Acceleration need not be zero — for example, a ball at its highest point has $v = 0$ but acceleration $= g$ downward.

Guaranteed: zero velocity only.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3198

Question 6

The 'Oxygen-Hemoglobin Dissociation Curve' shifts to the RIGHT (releasing more oxygen) due to:

Decreased temperature
Increased $pH$ (Alkalosis)
Increased $CO_2$ and Temperature✔️
Decreased altitude

Correct Answer Logic:

Increased acidity, $CO_2$, and heat (as in exercising tissue) facilitate the release of oxygen.

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Islamic Studies QUESTION #347

Question 7

"Year of the Grief" (Aam al-Huzn) in the life of the Holy Prophet (ﷺ) was:

7th Nabvi
8th Nabvi
9th Nabvi
10th Nabvi✔️

Correct Answer Logic:

The 10th year of Prophethood is called the Year of Grief due to the passing of Hazrat Khadija (RA) and Abu Talib.+1

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Civil Procedure QUESTION #3716

Question 8

A high-end electronics store mistakenly advertises a $\text{\$2,000}$ TV for $\text{\$200}$ on its website. A customer buys 10 of them. The store realizes the error and cancels the order. The customer sues. Is the store bound by the $\text{\$200}$ price?

Yes, an advertisement is always a binding offer.
No, because an advertisement is generally an invitation to deal, not an offer.✔️
Yes, because the customer accepted the offer by clicking 'buy.'
No, because of the doctrine of mutual mistake.

Correct Answer Logic:

Generally, advertisements are invitations for offers, not offers themselves. Even if treated as an offer, a 'unilateral mistake' where the other party knew or should have known of the error (buying 10 for 10% of the value) allows for rescission.

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Physics QUESTION #6990

Question 9

Three concentric metallic shells A, B, C have radii $a$, $b$, $c$ (with $a < b < c$) and surface charge densities $+\sigma$, $-\sigma$, $+\sigma$ respectively. The electric potential of shell B is:

$\dfrac{\sigma}{\epsilon_0}\left[\dfrac{b^2 - c^2}{b} + a\right]$✔️
$\dfrac{\sigma}{\epsilon_0}\left[\dfrac{b^2 - c^2}{c} + a\right]$
$\dfrac{\sigma}{\epsilon_0}\left[\dfrac{a^2 - b^2}{a} + c\right]$
$\dfrac{\sigma}{\epsilon_0}\left[\dfrac{a^2 - b^2}{b} + c\right]$

Correct Answer Logic:

Potential at shell B is the sum of contributions from all three shells:

From shell A (radius $a$, charge $Q_A = 4\pi a^2 \sigma$): potential at B (outside A) $= \frac{Q_A}{4\pi\epsilon_0 b} = \frac{\sigma a^2}{\epsilon_0 b}$
From shell B (radius $b$, charge $Q_B = -4\pi b^2 \sigma$): potential at B $= \frac{Q_B}{4\pi\epsilon_0 b} = \frac{-\sigma b}{\epsilon_0}$
From shell C (radius $c$, charge $Q_C = 4\pi c^2 \sigma$): potential at B (inside C) $= \frac{Q_C}{4\pi\epsilon_0 c} = \frac{\sigma c}{\epsilon_0}$

$V_B = \frac{\sigma}{\epsilon_0}\left(\frac{a^2}{b} - b + c\right) = \frac{\sigma}{\epsilon_0}\left(\frac{a^2 - b^2}{b} + c\right)$

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Planning QUESTION #4960

Question 10

In demography, what does 'Dependency Ratio' measure?

Ratio of workers to unemployed
Ratio of non-working to working population✔️
Ratio of urban to rural population
Ratio of births to deaths

Correct Answer Logic:

Dependency Ratio is calculated as $\frac{\text{Population aged 0-14 + Population aged 65+}}{\text{Population aged 15-64}} \times 100$, indicating the burden on the working-age population.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3480

Question 11

Which classification system is most useful for detecting 'Adulteration' in organized drugs?

Chemical
Taxonomical
Morphological✔️
Alphabetical

Correct Answer Logic:

Morphological classification studies the external features, making it easier to spot physical substitutes.

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General Abilities QUESTION #48

Question 12 (Select all that apply)

dsdagsadgsdagsad

dgfas✔️
gdsgasd
gsdags✔️
dgfasdweeaw

Correct Answer Logic:

sdgsagasdg

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Education QUESTION #6720

Question 13

When a lesson plan includes multiple short activities addressing auditory, visual, and kinesthetic modalities, the teacher is PRIMARILY demonstrating understanding of:

Classroom management
Learning style diversity and multi-methodology✔️
Time management
Behavioral psychology

Correct Answer Logic:

Incorporating varied modalities (auditory: discussion; visual: diagrams; kinesthetic: hands-on) addresses diverse learning styles. Multi-methodology recognizes that students process information differently and benefit from varied instructional approaches within single lessons.

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Planning QUESTION #4937

Question 14

What is the main objective of Traffic Calming measures?

To increase vehicle speed
To reduce vehicle speeds and improve safety✔️
To eliminate pedestrian crossings
To maximize road capacity

Correct Answer Logic:

Traffic Calming uses physical design features (speed bumps, chicanes, raised crosswalks) to reduce vehicle speeds, enhance pedestrian safety, and improve quality of life in residential areas.

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Accounting & Finance QUESTION #1215

Question 15

Internal check is carried on by:

Staff specially appointed for the purpose
Internal auditor
Supervisor of the staff
Members of the staff✔️

Correct Answer Logic:

Internal check is a system where the accounting and other operations of a business are so organized that the work of one member of staff is automatically checked by another member in the normal course of their duties. It is carried out by members of the staff themselves as part of their routine work — not by a separately appointed person.

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Geography QUESTION #6328

Question 16

The Heckscher-Ohlin trade theory predicts that countries will export goods that:

Intensively use their abundant factors of production✔️
They can produce most efficiently regardless of factor endowments
Have the highest technological sophistication
Require the least labor input

Correct Answer Logic:

Heckscher-Ohlin theory states countries export goods using their abundant factors intensively (labor-abundant countries export labor-intensive goods; capital-abundant countries export capital-intensive goods), explaining trade patterns based on factor endowments rather than absolute efficiency.

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Dairy Food Science and Technology QUESTION #5959

Question 17

The 'string test' for mozzarella quality assesses:

$\text{pH}$ of the cheese brine
The stretching ability and fibrous texture of the pasta filata curd, indicating proper casein alignment (requires curd $\text{pH}\;5.1\text{–}5.3$ and temperature $55\text{–}65^{\circ}\text{C}$)✔️
Fat content by the length of the string formed
Moisture content by the weight of the string

Correct Answer Logic:

The string (pull/stretch) test evaluates whether mozzarella curd has been properly plasticized and stretched. Good mozzarella forms continuous elastic strings when pulled; poor plasticization at incorrect $\text{pH}$ or temperature results in breaking rather than stretching.

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