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Elite Theory (associated with Vilfredo Pareto, Gaetano Mosca, and C. Wright Mills) argues that policy outcomes reflect the preferences of a small power elite — wealthy, well-organized, or politically connected minorities — rather than the democratic majority. In the original paper the answer was 'None of these', suggesting that while 'Public Choice Theory' was listed, the best answer per the original key was (D). We have placed Elite Theory as option C accordingly.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3185

Question 1664

The 'Resting Membrane Potential' of a typical neuron is approximately:

$+30\text{ mV}$
$0\text{ mV}$
$-70\text{ mV}$✔️
$-90\text{ mV}$

Correct Answer Logic:

The inside of the neuron is negative relative to the outside at rest.

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Chemistry QUESTION #437

Question 1665

The extent of un-saturation in a fat is expressed as its

Acid number
Iodine number✔️
Saponification number
None of these

Correct Answer Logic:

Iodine number measures unsaturation

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Dairy Food Science and Technology QUESTION #5980

Question 1666

Casein can be industrially produced from skim milk by which method?

Centrifugal separation; used as a color in paints
Acid precipitation at $\text{pH}\;4.6$ (acid casein) or rennet coagulation (rennet casein), followed by washing, pressing, and drying; used in food products (cheese analogs, protein supplements) and non-food applications (adhesives, paper coating, textiles)✔️
Evaporation followed by spray drying; used as infant formula base
Microfiltration; used as a beverage protein supplement

Correct Answer Logic:

Casein production: skim milk $\rightarrow$ acid precipitation at $\text{pH}\;4.6$ or rennet treatment $\rightarrow$ whey drainage $\rightarrow$ washing (to remove lactose, minerals) $\rightarrow$ pressing $\rightarrow$ drying. Food uses: cheese analogs, protein supplements, coffee whiteners. Industrial uses: paper coating, adhesives, leather finishing.

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Maths QUESTION #4516

Question 1667

Simplify: $\frac{3^8}{3^5}$

$3^{40}$
$3^3$✔️
$3^{13}$
$1$

Correct Answer Logic:

Using law of exponents: $\frac{b^m}{b^n} = b^{m-n}$. So $\frac{3^8}{3^5} = 3^{8-5} = 3^3$

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Law QUESTION #9696

Question 1668

Under Article 114, the doctrine of estoppel applies when a person has intentionally caused another to believe something and act on it. Which element is NOT required for estoppel?

Declaration, act or omission by the representor
The other person believed the representation to be true
The other person acted upon such belief
The representor received financial benefit✔️

Correct Answer Logic:

Article 114 requires: (1) declaration/act/omission, (2) intentionally causing another to believe a thing, and (3) the other person acting on that belief. Financial benefit to the representor is not a requirement.

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Chemistry QUESTION #1110

Question 1669

Statement I: Benzenediazonium salt is prepared from aniline + nitrous acid at 273–278 K and decomposes easily in dry state. Statement II: Iodobenzene is prepared through reaction of benzenediazonium salt with KI because direct iodination of benzene ring is difficult.

Statement I is correct but Statement II is incorrect
Statement I is incorrect but Statement II is correct
Both Statement I and Statement II are correct✔️
Both Statement I and Statement II are incorrect

Correct Answer Logic:

Statement I is correct — diazotization of aniline occurs at 0–5°C (273–278 K) with NaNO$_2$/HCl; the salt is unstable and decomposes in dry state. Statement II is correct — direct iodination of benzene is very slow/difficult; the Sandmeyer-type reaction with KI is used to introduce iodine via diazonium salt.

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3673

Question 1670

Which drug is an 'Expectorant' (helps clear mucus)?

Senna
Vasaka (Adhatoda)✔️
Aloe
Castor oil

Correct Answer Logic:

Vasaka is a traditional remedy for bronchitis and cough.

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General Knowledge QUESTION #8635

Question 1671

Which language is spoken by the largest number of people in the world as a first language?

Chinese✔️
English
Arabic
French

Correct Answer Logic:

Mandarin Chinese has the most native speakers.

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CISA QUESTION #1751

Question 1672

Which of the following is NOT a purpose of the ISO 15489 records management standard?

Define minimum legal handling requirements for data records
Provide a legal standard of negligence and culpability
Eliminate the need for a detailed classification list for each data set✔️
Define governance responsibilities across the data life cycle

Correct Answer Logic:

ISO 15489 defines the minimum handling process for records of value and requires an information classification system — a list of each data set to be protected. It does not eliminate the need for such a list; rather, it mandates one as a core governance control.

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Geography QUESTION #1236

Question 1673

GIS deals with which kind of data?

Numeric data
Binary data
Spatial data✔️
None of these

Correct Answer Logic:

Geographic Information Systems (GIS) primarily deal with spatial data — data that has a geographic or locational component (coordinates, geometry, topology). GIS is designed to capture, store, manage, analyze, and visualize spatially referenced data. While numeric and binary data exist within GIS, the defining characteristic is the spatial nature of the data.

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General Knowledge QUESTION #4718

Question 1674

Reuters news agency belongs to which country?

USA
Germany
UK✔️
France

Correct Answer Logic:

Reuters is a British multinational news agency founded in 1851 by Paul Julius Reuter, headquartered in London, United Kingdom.

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General Knowledge QUESTION #8690

Question 1675

The opposite of democracy is:

Aristocracy
Theocracy
Dictatorship✔️
Monarchy

Correct Answer Logic:

Dictatorship is the antonym of democracy.

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Math Physics Chemistry Biology QUESTION #569

Question 1676

Which of the following does not belong to angiospermic families?

Picea✔️
Poaceae
Rosaceae
Fabaceae

Correct Answer Logic:

Picea is a gymnosperm (conifer)

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Psychology QUESTION #1460

Question 1677

Which type of memory has the longest duration and largest capacity, often storing information for a lifetime?

Sensory memory
Short-term memory
Long-term memory✔️
Working memory

Correct Answer Logic:

Long-term memory (LTM) has virtually unlimited capacity and can store information for a lifetime. It includes declarative memory (explicit: episodic and semantic) and non-declarative memory (implicit: procedural, priming). Sensory memory lasts milliseconds; short-term memory holds about 7±2 items for 15–30 seconds; working memory is the active, limited-capacity system for immediate cognitive tasks.

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Physics QUESTION #7294

Question 1678

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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Academic/Professional (Social Sciences) QUESTION #10114

Question 1679

Symbolic Interactionism holds that meaning arises primarily through:

Fixed biological drives
Social interaction and interpretation of symbols✔️
State legislation
Economic structures alone

Correct Answer Logic:

Symbolic Interactionism emphasizes that meaning is constructed through interaction and symbol interpretation.

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Logical Reasoning QUESTION #4434

Question 1680

How many trees are in the orchard? Which of the statements below are needed to sufficiently answer this question? I. Ibrahim is a farmer and looks after half of the trees in the orchard. II. $300$ trees in the orchard are under Ibrahim's care.

I is enough
II is enough
Both I and II are needed✔️
Neither I nor II are sufficient

Correct Answer Logic:

Statement I alone tells us Ibrahim looks after half the trees but gives no actual number. Statement II alone tells us $300$ trees are under Ibrahim's care but does not tell us what fraction that is. Together: if Ibrahim cares for half the trees and that equals $300$, then total trees $= 300 \times 2 = 600$. Both statements are needed.

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