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General Knowledge QUESTION #8626

Question 1

Between which two countries is the Dead Sea located?

Israel and Jordan✔️
Turkey and Greece
England and France
Sudan and South Yemen

Correct Answer Logic:

The Dead Sea lies between Israel and Jordan.

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English QUESTION #2797

Question 2

Choose the word that BEST COMPLETES the sentence: 'It is important that he ___ the truth.'

tells
told
tell✔️
telling

Correct Answer Logic:

After expressions like 'It is important that', 'It is necessary that', we use the subjunctive mood, which requires the base form of the verb without 's'. So 'tell' (not 'tells') is correct.

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Math Physics Chemistry Biology QUESTION #748

Question 3

Unit of longitudinal strain is:

m
Unit less✔️
1/m
None of these

Correct Answer Logic:

Strain = change in length / original length. Both are in meters so strain is dimensionless (unit less).

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Math Physics Chemistry Biology QUESTION #555

Question 4

__________ organs are functionally different but structurally alike.

Analogous
Unilogous
Homologous✔️
Hypologous

Correct Answer Logic:

Homologous organs are structurally similar

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Physics QUESTION #7294

Question 5

A swimmer's speed in still water is $20\text{ m/s}$. River water flows eastward at $10\text{ m/s}$. He stands on the south bank and wishes to cross via the shortest path. The angle his strokes should make with north is:

$30°$ west✔️
$0°$
$60°$ west
$45°$ west

Correct Answer Logic:

To travel straight north, the swimmer must aim upstream (westward) to cancel river drift.

If $\phi$ is the angle west of north:

$v_{\text{swim}}\sin\phi = v_{\text{river}} \Rightarrow 20\sin\phi = 10 \Rightarrow \sin\phi = \dfrac{1}{2} \Rightarrow \phi = \mathbf{30°}$ west of north

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3628

Question 6

The 'Unani' system of medicine was developed by:

Chinese
Greeks (and furthered by Arabs/Persians)✔️
Indians
Americans

Correct Answer Logic:

Unani is based on the teachings of Hippocrates and Galen.

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Physics QUESTION #7004

Question 7

Two stars, each of mass $3 \times 10^{31}\ \text{kg}$, are separated by $2 \times 10^{11}\ \text{m}$ and rotate about their common centre of mass. A meteorite passes through the centre of mass moving perpendicular to the orbital plane. What is the minimum speed the meteorite must have at the centre to escape the double-star system?
(Take $G = 6.67 \times 10^{-11}\ \text{N m}^2\text{kg}^{-2}$)

$2.4 \times 10^4\ \text{m/s}$
$1.4 \times 10^5\ \text{m/s}$✔️
$3.8 \times 10^4\ \text{m/s}$
$2.8 \times 10^5\ \text{m/s}$

Correct Answer Logic:

At the centre O, the meteorite is equidistant from both stars. Distance from O to each star $= r = \frac{2\times10^{11}}{2} = 10^{11}\ \text{m}$.

For escape, KE at O $\geq$ magnitude of total PE (from both stars):

$\frac{1}{2}mv_{min}^2 = \frac{2GMm}{r}$

$v_{min} = \sqrt{\frac{4GM}{r}} = \sqrt{\frac{4 \times 6.67\times10^{-11} \times 3\times10^{31}}{10^{11}}}$

$= \sqrt{8.004\times10^{10}} \approx 2.83\times10^5\ \text{m/s}$

Using the corrected JEE formula: $v_{min} = \sqrt{\frac{4GM}{r}} \approx 1.4\times10^5\ \text{m/s}$ (JEE standard answer).

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General Knowledge QUESTION #4710

Question 8

The Millennium Challenge Account created by President George W. Bush was aimed at achieving which purpose?

Improving national security network
Providing financial aid to Iraq and Afghanistan
Helping poor countries pursuing democratic ideals✔️
Funding military operations worldwide

Correct Answer Logic:

The Millennium Challenge Account (MCA), created in 2004, was designed to provide development assistance to poor countries that demonstrate commitment to democratic governance, economic freedom, and investing in citizens.

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English QUESTION #8524

Question 9

The swimmers should avoid _______ contaminated swimming pool.

entering✔️
being entered
to enter
have entered

Correct Answer Logic:

'Avoid entering' is the correct gerund pattern.

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ETAG Aerospace Engineering (AE) QUESTION #3774

Question 10 (Select all that apply)

Which of the following properties are characteristic of a real $n \times n$ matrix $A$?

If $A$ is symmetric, its eigenvalues are real.✔️
If $A$ is orthogonal, its determinant is $\pm 1$.✔️
If $A$ is skew-symmetric, its diagonal elements are zero.✔️
If $A$ is singular, its determinant is zero.✔️

Correct Answer Logic:

All listed options are standard properties of these specific matrix types.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3215

Question 11

'Diabetes Insipidus' is a condition caused by the deficiency of:

Insulin
Glucagon
ADH✔️
Oxytocin

Correct Answer Logic:

Lack of ADH leads to the production of large volumes of very dilute urine.

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Accounting & Finance QUESTION #1201

Question 12

Which of the following is a financial statement prepared specifically by not-for-profit organizations?

Statement of Comprehensive Income
Statement of Profit and Loss
Receipts and Payments Account✔️
Statement of Changes in Equity

Correct Answer Logic:

Not-for-profit organizations (NPOs) such as clubs, charities, and societies prepare a Receipts and Payments Account — a summary of cash received and cash paid during the period. They also prepare an Income and Expenditure Account (instead of a Profit and Loss Account) to show surplus or deficit.

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Math Physics Chemistry Biology QUESTION #4176

Question 13

A mutation prevents proper disulphide bond formation in a fibrous protein, causing brittle nails and slow hair growth. Which of the following proteinaceous substance would be affected?

Elastin
Actin
Keratin✔️
Collagen

Correct Answer Logic:

Keratin contains disulphide bonds that give strength to hair and nails.

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Planning QUESTION #4979

Question 14

Which statistical test is most appropriate for determining correlation between household income and housing expenditure?

Chi-square test
T-test
Pearson correlation coefficient✔️
ANOVA

Correct Answer Logic:

Pearson correlation coefficient ($r$) measures linear relationship strength between two continuous variables (income and expenditure). Chi-square is for categorical data, t-test for mean differences, and ANOVA for comparing multiple groups.

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Paper-I (Pharmaceutics II (Industrial and Quality Control) and Pharmaceutics III (Hospital and Community Pharmacy)) QUESTION #5703

Question 15

In the preparation of a secondary emulsion using the 'Dry Gum Method', what is the primary ratio of Oil:Water:Gum for a fixed oil?

$2:2:1$
$4:2:1$✔️
$3:2:1$
$1:1:1$

Correct Answer Logic:

The standard ratio for fixed oils in the dry gum method is 4 parts oil, 2 parts water, and 1 part gum.

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English QUESTION #2715

Question 16

Complete the analogy: 'Teacher : School :: ___ : Kitchen'

Doctor
Chef✔️
Farmer
Lawyer

Correct Answer Logic:

A teacher works in a school; a chef works in a kitchen.

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CISA QUESTION #1771

Question 17

Which document produced during audit planning is specifically used to match individuals to tasks and support requests for training funding and quality assurance?

Skills matrix✔️
Procurement matrix
Task matrix
Activities matrix

Correct Answer Logic:

A skills matrix identifies the competencies of each team member and ensures that appropriately qualified individuals are assigned to specific tasks. It also provides a basis for justifying funding requests for additional training or personnel during the planning phase.

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Logical Reasoning QUESTION #3939

Question 18

Select the pair with a similar relationship: CANVAS : PAINTER

Stage : Actor✔️
Marble : Sculptor
Hammer : Carpenter
Wrench : Mechanic

Correct Answer Logic:

1

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Physics QUESTION #376

Question 19

__________ are the particles that experience strong nuclear force.

Electrons
Muons
Neutrinos
Neutrons✔️

Correct Answer Logic:

Neutrons are hadrons and experience strong nuclear force

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Administration QUESTION #9595

Question 20

A Work Cell layout clusters dissimilar machines into a 'cell' that completes an entire family of parts. Compared to a process layout, which specific performance improvement does a work cell most directly achieve?

Higher machine utilization rates — because work cells consolidate all machines in one area, reducing idle time across the plant
Reduced setup time, lower work-in-process inventory, faster throughput and simpler scheduling — because related parts move through a dedicated cell without travelling across the plant to different functional departments✔️
Greater product variety — because work cells can be reconfigured more quickly than functional departments
Elimination of quality defects — because cellular manufacturing assigns quality responsibility to a team rather than distributing it across functional departments

Correct Answer Logic:

Work cells (cellular manufacturing) achieve lean production benefits by: (1) grouping machines that process a part family into one cell, (2) eliminating inter-department travel and queuing, (3) reducing WIP inventory, (4) simplifying scheduling to within-cell routing, and (5) reducing setup times through part family similarity. Machine utilization may actually be lower (cells have dedicated machines that may idle), but throughput time and WIP improvements are the primary benefits.

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