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Sociology QUESTION #1672

Michel Foucault's concept of 'biopower' describes a historically specific modern form of power that operates not primarily through repression or juridical prohibition, but through which distinctive mechanism?

The control and regulation of entire populations through disciplinary techniques, normalization, and the administration of biological life itself✔️
The cultural shaping of biological traits through evolutionary selection pressure
The democratization and dispersal of knowledge to previously excluded populations
The reduction of human behavior to its biological and genetic determinants

Correct Answer Logic:

Foucault developed the concept of biopower in 'The History of Sexuality, Vol. 1' (1976) and 'Discipline and Punish' (1975) to describe modern power's focus on the management of life — both the disciplining of individual bodies (anatomo-politics) and the regulation of populations through statistics, public health, demography, and surveillance (biopolitics).

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Education QUESTION #6766

Question 2

When scoring essay examinations, a teacher reads each complete paper fully before assigning an overall grade, sorting papers into piles (A/B/C/D/F). No sub-scores are given for specific elements. This approach reflects which scoring method, and what is its MOST significant advantage over the alternative?

Analytic rubric; provides more detailed feedback per criterion
Holistic scoring rubric; enables quicker scoring and is most appropriate when no single pre-specified correct answer exists, such as in synthesis and evaluation tasks✔️
Inter-rater scoring; maximizes consistency between two scorers
Criterion-referenced scoring; ensures all students are compared to the same absolute standard

Correct Answer Logic:

The described procedure — reading the full response and assigning a single overall score without breaking it into criteria — is holistic scoring. Its key advantage is efficiency (quicker to score) and appropriateness for extended-response tasks involving synthesis and evaluation, where performance is a gestalt that is difficult to decompose into discrete point-scoring elements.

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Physics QUESTION #7337

Question 3

A particle has initial velocity $(3\hat{i}+4\hat{j})$ and acceleration $(0.4\hat{i}+0.3\hat{j})$. Its speed after 10 s is:

10 units
7 units
$7\sqrt{2}$ units✔️
8.5 units

Correct Answer Logic:

Velocity at $t = 10\text{ s}$:

$\vec{v} = (3+0.4\times10)\hat{i} + (4+0.3\times10)\hat{j} = 7\hat{i}+7\hat{j}$

Speed $= \sqrt{7^2+7^2} = \sqrt{98} = \mathbf{7\sqrt{2}}$ units

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Security Measures to Maintain Law and Order QUESTION #906

Question 4

A person is found filming "Sensitive Installations." An AD ASF can seize the camera under the authority of:

Section 6
Section 7✔️
Section 9
Section 10

Correct Answer Logic:

Section 7(1) allows the search and seizure of items from persons suspected of jeopardizing the safety of the aerodrome.

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Mathematics QUESTION #6934

Question 5

From a collection of 6 different novels and 3 different dictionaries, 4 novels and 1 dictionary are chosen and arranged in a row such that the dictionary always occupies the middle position. How many such arrangements exist?

At least 500 but less than 750
At least 750 but less than 1000
At least 1000✔️
Less than 500

Correct Answer Logic:

Choose 4 novels from 6: $\binom{6}{4} = 15$ ways.

Choose 1 dictionary from 3: $\binom{3}{1} = 3$ ways.

Arrange 5 books in a row with dictionary fixed in the middle: the 4 novels occupy the 4 remaining positions, giving $4! = 24$ arrangements.

Total $= 15 \times 3 \times 24 = \mathbf{1080}$

Since $1080 \geq 1000$, the answer is at least 1000.

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Molecular Biology / Bioinformatics / Biochemistry QUESTION #11103

Question 6

Which gland secretes the hormone glucagon?

Thyroid gland
Pituitary gland
Liver
Pancreas✔️

Correct Answer Logic:

Glucagon is secreted by the alpha (α) cells of the islets of Langerhans in the pancreas. It is released when blood glucose falls below normal (hypoglycaemia) and acts primarily on the liver to: (1) stimulate glycogenolysis (glycogen → glucose), (2) stimulate gluconeogenesis (amino acids/lactate → glucose), and (3) inhibit glycolysis. Glucagon is the primary counter-regulatory hormone to insulin, maintaining glucose homeostasis.

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Dairy Food Science and Technology QUESTION #5997

Question 7

The 'water holding capacity' (WHC) of yoghurt gel is related to:

Total fat content of the milk used
The protein network density, degree of cross-linking, and porosity of the casein gel — determined by pre-heat treatment of milk (denatured $\beta$-Lg plugs gel pores), fermentation $\text{pH}$, and protein concentration✔️
The amount of starter culture added
Incubation temperature above $45^{\circ}\text{C}$

Correct Answer Logic:

WHC of yoghurt gel determines syneresis susceptibility. High WHC $=$ less syneresis. WHC is improved by: high heat treatment of milk ($90\text{–}95^{\circ}\text{C}/5\text{–}10\;\text{min}$) — denatured $\beta$-Lg associates with $\kappa$-casein increasing network density; higher protein concentration (SMP fortification); slower acidification; EPS-producing strains.

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Boilers Mechanical Engineering QUESTION #2527

Question 8

The principle of angular impulse and momentum about a fixed point O states:

Angular momentum equals linear momentum times radius
$\mathbf{H}_{O2} - \mathbf{H}_{O1} = \int_{t_1}^{t_2}\sum\mathbf{M}_O\,dt$✔️
Torque equals moment of inertia
Angular momentum is always conserved

Correct Answer Logic:

The angular impulse-momentum principle: $\mathbf{H}_{O2}=\mathbf{H}_{O1}+\int_{t_1}^{t_2}\sum\mathbf{M}_O\,dt$, where $\mathbf{H}_O=\mathbf{r}\times m\mathbf{v}$ is angular momentum.

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Maths QUESTION #7658

Question 9

A drink contains 20% mango juice and the rest is apple juice. What is the ratio of mango juice to apple juice?

$4 : 1$
$1 : 4$✔️
$1 : 20$
None of these

Correct Answer Logic:

If the drink contains 20% mango juice, then it contains 80% apple juice (100% - 20% = 80%). The ratio of mango to apple juice is $20 : 80 = 1 : 4$. This means for every 1 part mango juice, there are 4 parts apple juice.

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Chemistry QUESTION #449

Question 10

The highest temperature a substance can exist as __________ is called its critical temperature.

Solid
Liquid✔️
Gas
Isotope

Correct Answer Logic:

Critical temperature is for liquid-gas transition

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English QUESTION #2747

Question 11

Choose the correct ARTICLE: '___ honest man is hard to find.'

A
An✔️
The
No article needed

Correct Answer Logic:

The article 'An' is used before words that begin with a vowel sound. 'Honest' begins with a silent 'h', so it starts with a vowel sound /ɒ/. Therefore 'An' is correct.

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English QUESTION #2716

Question 12

Identify the correctly spelled word:

Receive✔️
Recieve
Receve
Riceive

Correct Answer Logic:

The rule is 'i before e except after c'.

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Reading and Writing (Module-1) QUESTION #5424

Question 13

Delivering biomolecules into plant cells is hard due to the cell wall. Markita del Carpio Landry's team found it may be possible to ____ this problem using carbon nanotubes that cross cell walls.

conceptualize
neglect
illustrate
overcome✔️

Correct Answer Logic:

The sentence discusses solving a difficulty, so "overcome" fits best.

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Logical Reasoning QUESTION #3930

Question 14

Florence Nightingale was a _____ in the evolution of modern clinical medicine, _____ practices like ward sanitization and patient isolation.

collaborator...rejecting✔️
maverick...protesting
pioneer...initiating
critic...standardizing

Correct Answer Logic:

2

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General Ability and Fire Fighting QUESTION #5593

Question 15

What does 'Smothering' a fire mean?

Cooling it with water
Removing the fuel source
Cutting off the oxygen supply✔️
Breaking the chemical chain reaction

Correct Answer Logic:

Smothering involves cutting off the oxygen supply to the fire. This can be done using CO2 extinguishers

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Education QUESTION #6778

Question 16

A researcher applies Item Response Theory to a set of test items and finds that one item has a very low 'a' (discrimination) parameter and a relatively high 'c' (pseudo-guessing) parameter. What practical recommendation follows from this?

Retain the item because low guessing should be prioritized over discrimination
The item likely does not differentiate ability levels effectively and may be susceptible to correct responses through guessing; it should be revised or removed from the bank✔️
Increase the item difficulty to reduce the guessing parameter
Use this item as a warm-up item since it is accessible to all ability levels

Correct Answer Logic:

In IRT's 3-parameter logistic model: 'a' is discrimination (steepness of ICC), 'b' is difficulty, and 'c' is the pseudo-guessing parameter (lower asymptote of the ICC). A low 'a' means the item poorly differentiates ability levels; a high 'c' means even low-ability examinees have a substantial probability of answering correctly — suggesting guessing is inflating scores. Such items should be revised or dropped.

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Library Sciences QUESTION #1556

Question 17

In information science, Shannon and Weaver's Mathematical Theory of Communication (1949) contributed to library science by providing a framework for understanding:

How to classify books using decimal notation
The transmission, noise, and channel capacity of information signals and systems✔️
How to conduct reference interviews
The historical development of library catalogues

Correct Answer Logic:

Shannon and Weaver's model introduced concepts of information transmission, signal noise, entropy, and channel capacity. These concepts informed the development of information retrieval systems and helped quantify information — foundational to the information science dimension of LIS.

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Maths QUESTION #2842

Question 18

What is the difference between Compound Interest and Simple Interest on Rs. 10,000 at $5\%$ per annum for 2 years?

Rs. 20
Rs. 25✔️
Rs. 30
Rs. 50

Correct Answer Logic:

SI $= \dfrac{10000 \times 5 \times 2}{100} = 1000$. CI: Amount $= 10000 \times (1.05)^2 = 10000 \times 1.1025 = 11025$. CI $= 1025$. Difference $= 1025 - 1000 = Rs.\ 25$.

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