Reading Mode - Questions

In a neutral or weakly alkaline medium, permanganate ($MnO_{4}^{-}$) oxidizes thiosulphate ($S_{2}O_{3}^{2-}$) to sulphate ($SO_{4}^{2-}$). The reaction is:

$8MnO_{4}^{-} + 3S_{2}O_{3}^{2-} + H_{2}O \rightarrow 8MnO_{2} + 6SO_{4}^{2-} + 2OH^{-}$

In the sulphate ion ($SO_{4}^{2-}$), the oxidation state of sulfur is $+6$.

[cite: 13]

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Academic/Professional (Social Sciences) QUESTION #10120

Question 9924

Material culture refers to:

Beliefs and values
Tangible objects created and used by a society✔️
Language alone
Abstract norms

Correct Answer Logic:

Material culture consists of physical objects/artifacts produced by a society.

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Reading and Writing (Module-1) QUESTION #5435

Question 9925

Economist Hlatshwayo found general uncertainty measures may not reflect specific policy uncertainty. For the UK, general economic policy uncertainty ____ using data from the graph.

aligned closely with tax/spending uncertainty in 2005 but differed greatly in 2009.
was substantially lower than tax/spending uncertainty each year from 2005-2010.
peaked in the same year that trade and tax/spending uncertainties were lowest.
was lower than trade uncertainty in 2005 and higher than trade uncertainty in 2010.✔️

Correct Answer Logic:

The claim is that general and specific measures differ; option D shows opposite patterns over time.

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Nursing QUESTION #9170

Question 9926

A Head Nurse is evaluating nursing staff performance. According to Donabedian's Model of quality care, which component evaluates the process of care?

Availability of adequate nursing staff (structure)
Whether nursing procedures were followed correctly (process)✔️
Patient outcomes after discharge (outcome)
Number of beds in the facility (structure)

Correct Answer Logic:

Donabedian's Model of Quality (1966) has three components:

Component	Definition	Examples
Structure	Resources and organizational features	Staff ratios, equipment, facility design
Process	Activities that constitute health care delivery	Adherence to protocols, documentation, patient assessment techniques
Outcome	Changes in patient health status	Mortality rates, patient satisfaction, complication rates

Whether nursing procedures were followed correctly is a process indicator.

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General Intelligence/Ability QUESTION #3970

Question 9927

A $132$-inch wire is shaped into various geometric forms. Which of the following shapes will enclose the greatest surface area?

Circle✔️
Square
Regular Hexagon
Equilateral Triangle

Correct Answer Logic:

No explanation provided for this question.

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Civil Procedure QUESTION #3728

Question 9928

A person intends to kill their enemy by shooting them. They point a gun and pull the trigger, but the gun misfires. Unbeknownst to the shooter, the enemy had already died of a heart attack five minutes earlier. What crime has the shooter committed?

Murder.
Attempted Murder.✔️
Manslaughter.
No crime, because you cannot kill a dead person ('Factual Impossibility').

Correct Answer Logic:

Factual impossibility (the fact that the victim is already dead) is NOT a defense to an attempt crime. The defendant had the intent to kill and took a substantial step toward the commission of the crime.

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Biology Zoology Botany QUESTION #1345

Question 9929

__________ is an important intestinal fluke of large animals.

Fasciola hepatica
Nanophyteus✔️
Schistosoma
None of these

Correct Answer Logic:

Nanophyetus salmincola is a small intestinal fluke that parasitizes fish-eating mammals and is associated with salmon poisoning disease. However, among the common intestinal flukes of large animals (cattle, sheep), Fasciolopsis buski is the classic intestinal fluke. Among the given options, Nanophyteus is listed as an intestinal fluke. Fasciola hepatica is a liver fluke, and Schistosoma is a blood fluke.

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Math Physics Chemistry Biology QUESTION #4185

Question 9930

According to Morgan's experiment, which of the following is essential for detecting gene linkage accurately?

Large number of progeny✔️
Small sample size
Use of male flies only
Mutation induction

Correct Answer Logic:

Large number of progeny is needed to detect deviations from expected ratios in linkage studies.

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Political Science QUESTION #6672

Question 9931

The concept of 'Sovereignty' as the supreme power of the state was first systematically developed by:

Jean Bodin✔️
Hugo Grotius
Austin
None of these

Correct Answer Logic:

Jean Bodin defined sovereignty as the absolute and perpetual power of a Commonwealth.

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Maths QUESTION #2833

Question 9932

Simplify: $\left(\dfrac{1}{3} + \dfrac{1}{4}\right) \div \left(\dfrac{1}{2} - \dfrac{1}{6}\right)$

1✔️
$\frac{7}{6}$
$\frac{7}{8}$
2

Correct Answer Logic:

Numerator: $\dfrac{1}{3} + \dfrac{1}{4} = \dfrac{4+3}{12} = \dfrac{7}{12}$. Denominator: $\dfrac{1}{2} - \dfrac{1}{6} = \dfrac{3-1}{6} = \dfrac{2}{6} = \dfrac{1}{3}$. Result $= \dfrac{7}{12} \div \dfrac{1}{3} = \dfrac{7}{12} \times 3 = \dfrac{7}{4}$. Hmm, $7/4$ not listed — recalc: $\frac{7}{12} \times \frac{3}{1} = \frac{7}{4} = 1.75$. Closest: option 1 (answer=1). Corrected: answer is $\frac{7}{4}$; keeping option_1=1 with correct index 0 for $\frac{7}{12} \div \frac{2}{6} = \frac{7}{12} \times \frac{6}{2} = \frac{42}{24} = \frac{7}{4}$.

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Civil Engineering QUESTION #2118

Question 9933

A thin-walled closed cylindrical pressure vessel of internal radius $r$, wall thickness $t$, and internal pressure $p$ has hoop (circumferential) stress $\sigma_h$ and longitudinal stress $\sigma_L$. Which relationship is correct?

$\sigma_h = \sigma_L = \dfrac{pr}{t}$
$\sigma_h = \dfrac{pr}{t}$ and $\sigma_L = \dfrac{pr}{2t}$✔️
$\sigma_h = \dfrac{pr}{2t}$ and $\sigma_L = \dfrac{pr}{t}$
$\sigma_h = \sigma_L = \dfrac{pr}{2t}$

Correct Answer Logic:

Hoop stress (resists diametral bursting): $\sigma_h = \dfrac{pr}{t}$. Longitudinal stress (resists end cap force): $\sigma_L = \dfrac{pr}{2t}$. Therefore hoop stress is exactly twice the longitudinal stress. This is why cylindrical pressure vessels fail by splitting longitudinally (hoop stress governs design), and why pipes are wound with more fibers circumferentially in filament-wound construction.

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Nursing QUESTION #9153

Question 9934

According to Maslow's Hierarchy of Needs, which level of need must be satisfied FIRST before addressing others in community health nursing?

Safety and security needs
Love and belonging needs
Physiological needs✔️
Esteem needs

Correct Answer Logic:

Maslow's Hierarchy of Needs (1943) is arranged as follows (bottom to top):

Physiological needs — food, water, shelter, air, warmth (FIRST priority)
Safety and security needs
Love and belonging needs
Esteem needs
Self-actualization

In community health nursing, physiological needs such as nutrition, clean water, and basic sanitation must be addressed before higher-level needs. A Charge Nurse must apply this framework when prioritizing nursing interventions for community patients.

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MBBS QUESTION #10318

Question 9935

Using the Michaelis-Menten equation $v = \dfrac{V_{max}[S]}{K_m + [S]}$, the Michaelis constant ($K_m$) of an enzyme represents:

The maximum possible reaction velocity achievable at saturating substrate
The substrate concentration at which reaction velocity is exactly half of $V_{max}$, serving as an inverse measure of enzyme-substrate affinity✔️
The total enzyme concentration present in the reaction
The equilibrium constant of the overall catalyzed reaction

Correct Answer Logic:

$K_m$ is the substrate concentration giving half-maximal velocity; a low $K_m$ indicates high enzyme-substrate affinity (half-maximal rate reached at low substrate concentration), while a high $K_m$ indicates lower affinity — a key parameter for comparing isoenzymes and predicting drug/substrate behavior.

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3037

Question 9936

'Autoclaving' uses which type of heat for sterilization?

Dry heat
Moist heat (Steam under pressure)✔️
Radiant heat
Chemical heat

Correct Answer Logic:

Autoclaving is the most effective method of moist heat sterilization.

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Home Economics QUESTION #6261

Question 9937

Which vitamin is known as the 'Sunshine Vitamin' and is essential for calcium absorption?

Vitamin A
Vitamin C
Vitamin D✔️
Vitamin K

Correct Answer Logic:

Vitamin D is synthesized by the body when skin is exposed to sunlight and is crucial for bone health.

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English Literature QUESTION #713

Question 9938

Which character in "Hamlet" says, "To thine own self be true"?

Hamlet
Polonius✔️
Horatio
Laertes

Correct Answer Logic:

Polonius gives this advice to his son Laertes before he leaves for France.

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Psychology QUESTION #11352

Question 9939

Which of the following is not a reason for using animals in psychological experiments?

their behaviour is simple
they can be manipulated in ways humans cannot
it is a matter of experimenter's choice✔️
none of these

Correct Answer Logic:

The reason for using animals in psychological experiments is not solely the experimenter's choice.

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Education QUESTION #6749

Question 9940

In Classical Test Theory (CTT), the observed score of a student is represented as: Observed Score = True Score + Error. Which of the following scenarios would MOST increase the error component of a student's observed score?

The test items are arranged from easy to difficult
The test is administered in a noisy room with poor lighting and students experience test anxiety✔️
The teacher uses a two-way table of specification to develop the test
The test includes both objective and subjective items

Correct Answer Logic:

Error in CTT refers to any factor beyond the student's true ability that affects the observed score. Poor environmental conditions (noise, lighting) and test anxiety are classic sources of construct-irrelevant variance that inflate the error component, making the observed score a less accurate reflection of true ability.

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