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Math Physics Chemistry Biology QUESTION #7770

Viruses are NOT capable of which of the following functions?

Forming crystals
Excreting waste✔️
Infecting bacteria
Mutating

Correct Answer Logic:

Viruses are acellular and do not carry out metabolic processes like excretion. They can form crystals outside hosts, infect bacteria, and mutate (e.g., RNA viruses).

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English QUESTION #8418

Question 2

His silence _______ to refusal.

Tantamounts
is tantamount✔️
is tantamounting
tantamounted

Correct Answer Logic:

'Is tantamount to' means is equivalent to.

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Physics QUESTION #1185

Question 3

The Poynting vector represents:

The rate and direction of electromagnetic energy transferred in space.✔️
The amount of electromagnetic energy transferred in different forms of energy.
Loss of electromagnetic energy in a medium.
The flow of thermal energy in a certain direction.

Correct Answer Logic:

The Poynting vector $\vec{S} = \frac{1}{\mu_0}(\vec{E} \times \vec{B})$ represents the instantaneous power per unit area (energy flux density) carried by an electromagnetic wave. Its direction gives the direction of energy propagation and its magnitude gives the rate of energy transfer per unit area (W/m²).

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English QUESTION #8309

Question 4

I don't know _______ to value your qualities.

Only how
so how
How✔️
that how

Correct Answer Logic:

'How' alone functions as an adverb meaning 'in what way'.

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Mathematics QUESTION #4124

Question 5

The polar curve $r = 2\cos(\theta)$ represents which conic section?

Circle with center at origin, radius $2$
Circle with center at $(1, 0)$, radius $1$✔️
Circle with center at $(0, 1)$, radius $1$
Ellipse with semi-major axis $2$

Correct Answer Logic:

$r = 2\cos(\theta) \Rightarrow r^2 = 2r\cos(\theta) \Rightarrow x^2 + y^2 = 2x \Rightarrow (x-1)^2 + y^2 = 1$. Circle center $(1,0)$, radius $1$.

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General Abilities QUESTION #2843

Question 6

At what rate of Simple Interest will Rs. 4500 amount to Rs. 5400 in 4 years?

4%
5%✔️
6%
7%

Correct Answer Logic:

SI $= 5400 - 4500 = 900$. Using $SI = \dfrac{P \times R \times T}{100}$: $900 = \dfrac{4500 \times R \times 4}{100} \Rightarrow 900 = 180R \Rightarrow R = 5\%$.

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Islamic Studies QUESTION #8228

Question 7

What is the duty of the Angel Mekail?

In-charge of the protection and also to bring rains✔️
To blow the trumpet on the Day of judgment
In charge of taking the life of living creatures
None of these

Correct Answer Logic:

Hazrat Mikail (Michael) AS is the angel in charge of rain, sustenance, and natural phenomena. He manages the distribution of provisions to all living creatures and controls weather patterns. Along with Jibreel (Gabriel), Mikail is one of the highest-ranking angels mentioned in the Quran (2:98). While Jibreel brings revelation, Mikail manages the natural order that sustains life on Earth.

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Quantitative Reasoning QUESTION #66

Question 8

For decades, economists believed that increased productivity would naturally lead to higher wages. However, recent studies indicate that while productivity has surged, wage growth has stagnated, suggesting that other structural factors — such as labor market policies, globalization, and technological automation — may be influencing income distribution.

Sub-Questions:

Question 1

Which of the following best expresses the main idea of the passage?

A) Productivity and wage growth are always directly proportional.
B) Wage stagnation is primarily caused by technological advancements.
C) Increased productivity no longer guarantees higher wages due to other influencing factors.✔️
D) Globalization is the sole reason for unequal income distribution.

Question 2

What does surged meaning in this paragraph?

Soar
Sudden✔️
Inclined
Unexpected

Correct Answer Logic:

The passage emphasizes that higher productivity no longer ensures wage increases because of other structural factors — exactly what option C states.

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General Abilities QUESTION #2881

Question 9

Divide $\$120$ between X and Y in the ratio $3:7$. How much does Y get?

$\$36$
$\$84$✔️
$\$40$
$\$60$

Correct Answer Logic:

Sum of parts $= 10$. One part $= 120 / 10 = 12$. Y gets $7 \times 12 = 84$.

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Education QUESTION #6705

Question 10

A teacher consistently observes that students from lower socioeconomic backgrounds participate less in class discussions. From a diversity and equity perspective, what is the MOST likely systemic factor?

Inherent ability differences
Cultural capital and discourse patterns vary across socioeconomic contexts✔️
Lack of student motivation
Poor parenting practices

Correct Answer Logic:

Cultural capital theory explains that different socioeconomic groups develop different communication patterns and cultural knowledge. Students may possess equal ability but different discourse styles that don't align with classroom expectations. Effective teachers recognize and validate diverse communication patterns.

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Mathematics QUESTION #6028

Question 11

Let $S=\left\{t\in\mathbb{R}: f(x)=|x-\pi|\cdot(e^{|x|}-1)\sin|x|\right.$ is not differentiable at $t\}$. Find $S$.

$\{\pi\}$
$\{0,\pi\}$
$\emptyset$ (empty set)✔️
$\{0\}$

Correct Answer Logic:

Check $x=0$: $f(x)=|x-\pi|(e^{|x|}-1)\sin|x|$. Near $x=0$, both $(e^{|x|}-1)$ and $\sin|x|$ have factors of $|x|$, so $f(x)\approx |x-\pi|\cdot|x|^2$ near 0, which is differentiable at 0.

Check $x=\pi$: near $\pi$, $(e^{|x|}-1)\sin|x|$ is smooth and non-zero ($e^\pi\sin\pi=0$!). Since $\sin\pi=0$, the product $(e^{|x|}-1)\sin|x|$ vanishes at $\pi$, making $f(x)=0$ near $\pi$ — wait, $\sin\pi=0$, so $f(\pi)=0$. Checking differentiability more carefully shows $f$ is differentiable at $\pi$ too.

Therefore $S=\boldsymbol{\emptyset}$.

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Math Physics Chemistry Biology QUESTION #4329

Question 12

Which of the following best describes 'acquired characteristics' according to Lamarckism?

Traits caused by mutation
Traits inherited from parents
Traits developed by use or disuse✔️
Traits selected by nature

Correct Answer Logic:

According to Lamarck, acquired characteristics are traits developed during an organism's lifetime through use or disuse of organs, and these are then passed to offspring.

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Islamic Studies QUESTION #8196

Question 13

Among the following battles, the maximum number of Huffaz-e-Quran were martyred in the:

Jang-e-Khandaq
Jang-e-Uhad
Jang-e-Yamama✔️
None of these

Correct Answer Logic:

This is a repeat of questions 70 and 165. The Battle of Yamama resulted in the martyrdom of approximately 70 Huffaz-e-Quran, making it the deadliest battle for Quran memorizers. Fought in 11 AH (632 CE) during Abu Bakr's caliphate against Musaylimah the Liar, this battle was fierce and bloody. The death of so many Huffaz created urgency to compile the Quran in written form, leading to the first official compilation under Abu Bakr's supervision with Zaid ibn Thabit as the chief compiler.

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Physics QUESTION #7076

Question 14

A simple pendulum has a time period $T$ when measured in a stationary elevator. If the elevator begins to accelerate upwards at a rate of $g/2$, what is the new time period of the pendulum?

$\sqrt{\frac{2}{3}}T$✔️
$\sqrt{3}T$
$\sqrt{\frac{3}{2}}T$
$\frac{T}{\sqrt{3}}$

Correct Answer Logic:

The effective gravity $g_{eff}$ in an upward accelerating lift is $g + a = g + g/2 = 3g/2$. Since the time period $T \propto \frac{1}{\sqrt{g}}$, the new period $T' = T \sqrt{\frac{g}{3g/2}} = T \sqrt{\frac{2}{3}}$.

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Chemistry QUESTION #1416

Question 15

In chemometrics, multivariate calibration involves:

Using multiple independent variables to predict dependent variables✔️
Using regression only on X-data
Performing correlation without regression
None of these

Correct Answer Logic:

Multivariate calibration in chemometrics uses multiple independent variables (e.g., spectral data at multiple wavelengths) simultaneously to build predictive models for dependent variables (e.g., concentration). Techniques like Principal Component Regression (PCR) and Partial Least Squares (PLS) are commonly used. It goes beyond simple univariate regression.

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Physics QUESTION #4399

Question 16

Earth receives large amount of energy directly from:

Wind
Water
Sun✔️
Moon

Correct Answer Logic:

The Sun is the primary source of energy for Earth. Solar radiation (electromagnetic energy) travels through space and is absorbed by Earth's surface and atmosphere.

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Law QUESTION #9675

Question 17

Under Article 17(2)(a), for financial or future obligations reduced to writing, the instrument must be attested by:

One man and one woman
Two men, or one man and two women✔️
Three men or two women
Any two adults

Correct Answer Logic:

Article 17(2)(a) states that for matters pertaining to financial or future obligations reduced to writing, the instrument shall be attested by two men, or one man and two women, so that one may remind the other if necessary.

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General Knowledge QUESTION #4482

Question 18

Who authored the seminal book “World Order”?

Fareed Zakaria
Henry Kissinger✔️
Andrew Heywood
None of these

Correct Answer Logic:

Henry Kissinger authored 'World Order'.

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English QUESTION #4421

Question 19

'She was elated when she got first position in exams.' What is the meaning of 'elated' in this sentence?

Disappointed
Worried
Excited✔️
Mad

Correct Answer Logic:

'Elated' means extremely happy, joyful, or thrilled. It is used to describe a feeling of great happiness and pride — in this context, the happiness of getting first position. 'Excited' is the closest in meaning among the options.

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Accounting & Finance QUESTION #6059

Question 20

A machine has an original cost of Rs. 19,00,000 and installation charges of Rs. 1,00,000. Its useful life is 5 years and residual value is Rs. 40,000. Using the Straight Line Method, what is the depreciation charge for the 4th year?

Rs. 372,000
Rs. 400,000
Rs. 392,000✔️
Rs. 352,000

Correct Answer Logic:

Total cost $= 19{,}00{,}000 + 1{,}00{,}000 = Rs.\ 20{,}00{,}000$

Depreciable amount $= 20{,}00{,}000 - 40{,}000 = Rs.\ 19{,}60{,}000$

Annual depreciation (SLM) $= \dfrac{19{,}60{,}000}{5} = Rs.\ 3{,}92{,}000$

Under the Straight Line Method, depreciation is equal every year. So the 4th year's depreciation is also Rs. 3,92,000. There is no change between years in SLM.

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